Vitamin c (ascorbic acid)
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Vitamin C is a water-soluble antioxidant vitamin that is important for collagen production, iron absorption, and immune function. It can be obtained through foods like citrus fruits, peppers and tomatoes. Dietary recommendations for vitamin C intake vary from 40 mg per day for infants to 75-90 mg for adults. While vitamin C supplements may help prevent the common cold, intake over 2000 mg daily can cause side effects like diarrhea. Deficiency can result in scurvy, but toxicity is rare when intake remains below upper limits.
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Vitamin c
This document provides information about vitamin C, including its food sources, functions, recommended dietary allowances, deficiency, research, and references. It summarizes that vitamin C is an essential water-soluble vitamin obtained through foods like fruits and vegetables as humans cannot synthesize it themselves. The document outlines vitamin C's roles in collagen synthesis, immune function, and as an antioxidant for protecting against free radical damage. It also details signs of deficiency like scurvy and groups at higher risk like smokers.
Vitamin c @ raj
The naming of vitamins began with Funk's isolated concentrate called vitamin B which cured Beri beri disease. Vitamins were then named alphabetically, with vitamin A discovered in 1913-1914, followed by vitamin C, vitamin D which cured rickets, and vitamin E which was important for fertility. The later discovery of a vitamin required for blood clotting led to vitamin K being named for koagulation.
Vitamin c
Vitamin C is a water-soluble vitamin that functions as a strong antioxidant. It is essential for collagen synthesis, iron absorption, immune function, and acts as a reducing agent. Sources include citrus fruits, tomatoes, and peppers. It is absorbed in the gastrointestinal tract and distributed throughout the body. A daily intake of 60-70 mg is recommended, with potential deficiency causing scurvy over time. Therapeutic uses include treating scurvy, supporting bone and tissue healing as well as antioxidant effects. High doses may cause adverse effects like kidney stones.
Vitamin k
Chemistry of Vitamin K, Biochemical role of Vitamin K, Recommended dietary allowance of Vitamin K, Dietary sources of Vitamin K, Deficiency symptoms of vitamin K, Hypervitaminosis of vitamin K, Toxicity of Vitamin K
Vitamin C
Vitamin C is a water-soluble antioxidant vitamin that occurs naturally in many fruits and vegetables. It has important roles in the body like boosting immune function and promoting heart health. Good food sources include citrus fruits, bell peppers, broccoli, and kiwi. While deficiencies are rare, smokers and those who don't eat many fruits and vegetables are most at risk. Supplements can provide benefits but some groups like those on certain medications should check with their doctor first.
Vitamin C ascorbic acid
Vitamin C is a water-soluble vitamin that exists in two forms, L-ascorbic acid and L-dehydro ascorbic acid. It serves as a cofactor in many enzymatic reactions in the body, including collagen synthesis, catecholamine synthesis, and amino acid metabolism. Deficiency of vitamin C results in scurvy, characterized by hemorrhaging, impaired wound healing, swollen gums, and loose teeth. Good dietary sources of vitamin C include citrus fruits, berries, tomatoes, and peppers.
Vitamin C
Vitamin C and vitamin B12 are essential water-soluble vitamins. Vitamin C aids in tissue growth and repair, acts as an antioxidant, and supports the immune system. It is found in many fruits and vegetables. A vitamin C deficiency can cause scurvy. Vitamin B12 is important for brain and nervous system function as well as blood cell formation. It supports energy production and cardiovascular health. Good sources are animal products. Deficiency can lead to megaloblastic anemia. Both vitamins have recommended daily intake amounts to support health.
Vitamin C
This document discusses vitamin C, including its functions, dietary sources, recommended intake amounts, and the role of vitamin C in various health conditions. Some key points include: Vitamin C is water-soluble and acts as an antioxidant; dietary sources include citrus fruits, berries, peppers and broccoli; recommended daily amounts vary from 15-90 mg depending on age and gender; and higher vitamin C intake through food or supplements may help reduce risks of conditions like cardiovascular disease, cancer and stroke. However, very high supplemental doses could increase risks of side effects like diarrhea or kidney stones.
Recommended
Vitamin c
This document provides information about vitamin C, including its food sources, functions, recommended dietary allowances, deficiency, research, and references. It summarizes that vitamin C is an essential water-soluble vitamin obtained through foods like fruits and vegetables as humans cannot synthesize it themselves. The document outlines vitamin C's roles in collagen synthesis, immune function, and as an antioxidant for protecting against free radical damage. It also details signs of deficiency like scurvy and groups at higher risk like smokers.
Vitamin c @ raj
The naming of vitamins began with Funk's isolated concentrate called vitamin B which cured Beri beri disease. Vitamins were then named alphabetically, with vitamin A discovered in 1913-1914, followed by vitamin C, vitamin D which cured rickets, and vitamin E which was important for fertility. The later discovery of a vitamin required for blood clotting led to vitamin K being named for koagulation.
Vitamin c
Vitamin C is a water-soluble vitamin that functions as a strong antioxidant. It is essential for collagen synthesis, iron absorption, immune function, and acts as a reducing agent. Sources include citrus fruits, tomatoes, and peppers. It is absorbed in the gastrointestinal tract and distributed throughout the body. A daily intake of 60-70 mg is recommended, with potential deficiency causing scurvy over time. Therapeutic uses include treating scurvy, supporting bone and tissue healing as well as antioxidant effects. High doses may cause adverse effects like kidney stones.
Vitamin k
Chemistry of Vitamin K, Biochemical role of Vitamin K, Recommended dietary allowance of Vitamin K, Dietary sources of Vitamin K, Deficiency symptoms of vitamin K, Hypervitaminosis of vitamin K, Toxicity of Vitamin K
Vitamin C
Vitamin C is a water-soluble antioxidant vitamin that occurs naturally in many fruits and vegetables. It has important roles in the body like boosting immune function and promoting heart health. Good food sources include citrus fruits, bell peppers, broccoli, and kiwi. While deficiencies are rare, smokers and those who don't eat many fruits and vegetables are most at risk. Supplements can provide benefits but some groups like those on certain medications should check with their doctor first.
Vitamin C ascorbic acid
Vitamin C is a water-soluble vitamin that exists in two forms, L-ascorbic acid and L-dehydro ascorbic acid. It serves as a cofactor in many enzymatic reactions in the body, including collagen synthesis, catecholamine synthesis, and amino acid metabolism. Deficiency of vitamin C results in scurvy, characterized by hemorrhaging, impaired wound healing, swollen gums, and loose teeth. Good dietary sources of vitamin C include citrus fruits, berries, tomatoes, and peppers.
Vitamin C
Vitamin C and vitamin B12 are essential water-soluble vitamins. Vitamin C aids in tissue growth and repair, acts as an antioxidant, and supports the immune system. It is found in many fruits and vegetables. A vitamin C deficiency can cause scurvy. Vitamin B12 is important for brain and nervous system function as well as blood cell formation. It supports energy production and cardiovascular health. Good sources are animal products. Deficiency can lead to megaloblastic anemia. Both vitamins have recommended daily intake amounts to support health.
Vitamin C
This document discusses vitamin C, including its functions, dietary sources, recommended intake amounts, and the role of vitamin C in various health conditions. Some key points include: Vitamin C is water-soluble and acts as an antioxidant; dietary sources include citrus fruits, berries, peppers and broccoli; recommended daily amounts vary from 15-90 mg depending on age and gender; and higher vitamin C intake through food or supplements may help reduce risks of conditions like cardiovascular disease, cancer and stroke. However, very high supplemental doses could increase risks of side effects like diarrhea or kidney stones.
Vitamin c
Vitamin C introduction, Chemistry of Vitamin C, Biochemical Role of Vitamin C, (Collagen formation, Bone formation, Immunological response, Synthesis of Catacholamines, ), Recommended dietary Allowance of Vitamin C, Dietary Sources of Vitamin C, Deficiency symptoms of Vitamin C, Food preparation to retain Vitamin C.
Vitamin k
Vitamin k is a group of lipophilic hydrophobic vitamins. Fat soluble compound necessary for the synthesis of several proteins required for blood clotting.
Occurs in several forms:
Vitamin K1 (Phylloquinone)
Vitamin K2 (Menaquinone)
Vitamin K3 (Menadione) – synthetic form
Vitamin e
Chemistry of Vitamin E, Biochemical role of Vitamin E, Recommended dietary Allowances, Dietary sources of Vitamin E, Deficiency symptoms of vitamin E, Hypervitaminosis of vitamin E, Toxicity of Vitamin E,
Vitamin C
Vitamin C is an essential nutrient that is obtained through foods like fruits, vegetables, and breastmilk. It serves many important functions in the body related to collagen synthesis, iron absorption, immune function, and acting as an antioxidant. Scurvy results from vitamin C deficiency and can cause bleeding gums, bone pain, impaired wound healing and anemia. It is usually seen in infants and children who are exclusively fed boiled milk or formula without vitamin C supplementation. Treatment involves a high dose of vitamin C supplementation as well as including vitamin C rich foods in the diet.
Fat soluble vitamins
This document discusses vitamins, specifically vitamin E. It provides information on the chemistry, absorption, transport, biochemical functions, dietary sources, deficiency symptoms, and recommended daily intake of vitamin E. Key points include: vitamin E is a fat-soluble antioxidant vitamin that protects cell membranes from free radical damage; it is absorbed in the small intestine with bile acids and incorporated into lipoproteins to be transported through the bloodstream; deficiency can cause muscular dystrophy and hemolytic anemia; good dietary sources include various oils, nuts, and green vegetables.
Vitamin E
This document provides information on vitamin E, including its structure, functions, recommended dietary allowance, absorption, and deficiency manifestations. It notes that vitamin E was first isolated in 1936 and named tocopherol. The most biologically active form is alpha-tocopherol. It acts as an antioxidant, protects cell membranes, and works with selenium. The recommended daily intake is 15 mg or 33 IU. Vitamin E deficiency can cause hemolytic anemia and retrolental fibroplasia in premature babies.
Vitamin c power point
Vitamin C is an essential nutrient that prevents scurvy, a disease caused by vitamin C deficiency. It was discovered in the 17th century that lemon juice could prevent scurvy in sailors. Vitamin C helps form collagen, protects the immune system, aids iron absorption, and facilitates fat and neurotransmitter metabolism. Good dietary sources include citrus fruits, berries, tomatoes, and leafy greens. While deficiency is rare, complete lack of vitamin C causes scurvy. The recommended daily intake is 60 mg but higher doses are considered safe and may provide additional health benefits.
Vitamin c
Vitamin C has several important metabolic functions in the body. It is required for collagen synthesis by acting as a cofactor for enzymes involved in hydroxylation reactions during collagen formation. Vitamin C also plays a role in carnitine and norepinephrine synthesis through similar hydroxylation reactions. Additionally, vitamin C acts as an antioxidant, helping to reduce oxidative damage by neutralizing free radicals and reactive oxygen species.
Vit c
Vitamin C is an essential nutrient that humans must obtain from their diet. It acts as an antioxidant, helps form collagen, and supports brain and immune health. Deficiency can cause scurvy, with symptoms like bleeding gums, bruising, and fatigue. While rare today, scurvy was historically common among those with limited diets like sailors. The recommended daily intake is 75-90mg for adults, and deficiency is more likely in smokers, alcoholics, and those with poor diets or nutrient absorption issues. High doses from supplements can cause side effects like diarrhea.
Vitamin e
Vitamins are the trace elements required by our body.They may not be required in large amount such as carbohydrate, protein or lipid but are required in trace amount to maintain the metabolic reactions going on in our body. Vitamins are mainly of two types: fat soluble and lipid soluble. Lipid soluble vitamins are stored in our body.
Vitamin E is one of the fat soluble vitamins.Its main actions is to scavenge the free radicals. Thus is the major component of our natural anti-oxidant system.It also plays important role in certain biological functions.
Vitamin E
Vitamin E is a fat-soluble vitamin that exists as both tocopherols and tocotrienols. It is an important antioxidant that protects cell membranes from oxidative damage by reacting with lipid radicals produced in the body during oxidation. The most biologically active form is alpha-tocopherol. Vitamin E is absorbed with dietary fat and transported throughout the body associated with lipoproteins. A deficiency can cause hemolytic anemia, muscular dystrophy, and neurological problems due to increased lipid peroxidation in tissues.
VITAMIN-C [MEDICINAL CHEMISTRY] SOURCE, RECOMMENDED DIETARY ALLOWANCE,DEFICIE...
VITAMIN-C [MEDICINAL CHEMISTRY] SOURCE, RECOMMENDED DIETARY ALLOWANCE,DEFICIENCY OF VITAMIN C,FUNCTIONS,ASSAY, REACTION,PHYSIOLOGICAL IMPORTANCE, INTERACTIONS,USES OF VITAMIN-C.
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Vit d
Vitamin D is a fat-soluble vitamin that is important for bone and muscle health. It is synthesized in the skin upon exposure to sunlight or obtained from dietary sources. The liver and kidneys work to activate vitamin D before it can be used by the body. Vitamin D deficiency can lead to rickets in children and osteomalacia or osteoporosis in adults and is associated with increased risk of various diseases. Treatment of deficiency involves obtaining more vitamin D through diet, supplements, or sunlight exposure.
Vitamin E
This document provides information on vitamin E, including its chemistry, sources, pharmacological properties, therapeutic uses, contraindications, interactions, deficiency symptoms, side effects, and hypervitaminosis. Some key sources of vitamin E include sunflower seeds, almonds, hazelnuts, peanuts, and pine nuts. Vitamin E has properties such as preventing oxidative stress and supporting healthy skin. Therapeutic uses include conditions like angina, acne, Alzheimer's, and cancer. High doses may prolong bleeding time, while deficiency can cause digestive issues and neuropathy.
VITAMIN C
Vitamin C is a water soluble vitamin also known as ascorbic acid. It exists in two forms, the reduced L-ascorbic acid and the oxidized L-dehydro ascorbic acid. Vitamin C plays an important role in many biochemical reactions in the body as a cofactor, including collagen synthesis, carnitine biosynthesis, and neurotransmitter synthesis. A deficiency in vitamin C results in scurvy, characterized by hemorrhaging, delayed wound healing, and bone fractures. Good dietary sources of vitamin C include citrus fruits, berries, peppers, broccoli, and potatoes.
Ppt on vit e and k
It talks about discovery,chemistry, dietary sources, absorption transport and storage,functions and some applications, etc. of Vitamin E and Vitamin K
Vitamin e
This document discusses vitamin E, including its dietary sources, biochemical functions, absorption and transport, recommended daily allowance, deficiency symptoms, and toxicity. Vitamin E is a fat-soluble vitamin and antioxidant that prevents lipid peroxidation and protects cell membranes. Key dietary sources include nuts, seeds, and green leafy vegetables. The RDA for vitamin E is 15 mg/day for adults. Deficiency can cause neurological and muscle problems, while toxicity is rare and requires extremely high doses over 1000 mg/day.
Vitamin A chemistry, functions and deficiency
1) Vitamin A plays an essential role in vision, immune function, cell growth and differentiation. It exists in two forms - retinoids found in animal foods and carotenoids which are plant-derived provitamin A compounds.
2) Dietary vitamin A is absorbed in the intestine and transported to the liver where it is stored. It is then circulated bound to retinol-binding protein.
3) Deficiency can result from inadequate intake or malabsorption and causes xerophthalmia, night blindness, susceptibility to infection and increased mortality in children.
Vitamin C
Vitamin C is an essential water-soluble nutrient that functions as an antioxidant. It is required in the diet since humans cannot produce it internally. Vitamin C deficiency can result in scurvy, with symptoms of bleeding gums, slow wound healing, and bone pain. Cooking, storage, and processing can reduce vitamin C content in foods. Good dietary sources include amla, guava, and citrus fruits. The recommended daily intake is 40 mg for adults.
Importance of vitamin d
Vitamin D is important for human health and deficiency can lead to diseases like rickets. It is obtained through sun exposure, diet, and supplements. The document discusses vitamin D's roles in bone health, cancer prevention, cardiovascular, immune function, and other diseases. It provides recommendations for intake amounts and lists food sources of vitamin D like fatty fish, eggs, and fortified foods. Vitamin D deficiency is highly prevalent globally and putting populations at risk for various chronic conditions.
Niacin
Group members: Roshina Rabail, Iqra Khan, Umrah zafar, Nimrah
Vitamin B3, also known as niacin, is a water-soluble vitamin that is essential for growth and metabolism. It plays important roles in converting food into energy, producing DNA and hormones. Deficiency can result in pellagra with symptoms of dermatitis, dementia and diarrhea. Niacin is found in many foods like yeast, meat, eggs and peanuts. It can also be synthesized in the body from the amino acid tryptophan.
Vitamin e & k
This document discusses vitamin E. It notes that plants are a rich source of vitamin E, listing several plant sources like almonds, barley, sunflower, wheat germ oil, potatoes, and mangos. Vitamin E helps cell membranes by avoiding oxidation of polyunsaturated fatty acids. A vitamin E deficiency can cause issues like exudative diathesis, muscular dystrophy, and encephalomalacia in poultry and white muscle disease and enzootic ataxia in other animals.
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Vitamin c
Vitamin C introduction, Chemistry of Vitamin C, Biochemical Role of Vitamin C, (Collagen formation, Bone formation, Immunological response, Synthesis of Catacholamines, ), Recommended dietary Allowance of Vitamin C, Dietary Sources of Vitamin C, Deficiency symptoms of Vitamin C, Food preparation to retain Vitamin C.
Vitamin k
Vitamin k is a group of lipophilic hydrophobic vitamins. Fat soluble compound necessary for the synthesis of several proteins required for blood clotting.
Occurs in several forms:
Vitamin K1 (Phylloquinone)
Vitamin K2 (Menaquinone)
Vitamin K3 (Menadione) – synthetic form
Vitamin e
Chemistry of Vitamin E, Biochemical role of Vitamin E, Recommended dietary Allowances, Dietary sources of Vitamin E, Deficiency symptoms of vitamin E, Hypervitaminosis of vitamin E, Toxicity of Vitamin E,
Vitamin C
Vitamin C is an essential nutrient that is obtained through foods like fruits, vegetables, and breastmilk. It serves many important functions in the body related to collagen synthesis, iron absorption, immune function, and acting as an antioxidant. Scurvy results from vitamin C deficiency and can cause bleeding gums, bone pain, impaired wound healing and anemia. It is usually seen in infants and children who are exclusively fed boiled milk or formula without vitamin C supplementation. Treatment involves a high dose of vitamin C supplementation as well as including vitamin C rich foods in the diet.
Fat soluble vitamins
This document discusses vitamins, specifically vitamin E. It provides information on the chemistry, absorption, transport, biochemical functions, dietary sources, deficiency symptoms, and recommended daily intake of vitamin E. Key points include: vitamin E is a fat-soluble antioxidant vitamin that protects cell membranes from free radical damage; it is absorbed in the small intestine with bile acids and incorporated into lipoproteins to be transported through the bloodstream; deficiency can cause muscular dystrophy and hemolytic anemia; good dietary sources include various oils, nuts, and green vegetables.
Vitamin E
This document provides information on vitamin E, including its structure, functions, recommended dietary allowance, absorption, and deficiency manifestations. It notes that vitamin E was first isolated in 1936 and named tocopherol. The most biologically active form is alpha-tocopherol. It acts as an antioxidant, protects cell membranes, and works with selenium. The recommended daily intake is 15 mg or 33 IU. Vitamin E deficiency can cause hemolytic anemia and retrolental fibroplasia in premature babies.
Vitamin c power point
Vitamin C is an essential nutrient that prevents scurvy, a disease caused by vitamin C deficiency. It was discovered in the 17th century that lemon juice could prevent scurvy in sailors. Vitamin C helps form collagen, protects the immune system, aids iron absorption, and facilitates fat and neurotransmitter metabolism. Good dietary sources include citrus fruits, berries, tomatoes, and leafy greens. While deficiency is rare, complete lack of vitamin C causes scurvy. The recommended daily intake is 60 mg but higher doses are considered safe and may provide additional health benefits.
Vitamin c
Vitamin C has several important metabolic functions in the body. It is required for collagen synthesis by acting as a cofactor for enzymes involved in hydroxylation reactions during collagen formation. Vitamin C also plays a role in carnitine and norepinephrine synthesis through similar hydroxylation reactions. Additionally, vitamin C acts as an antioxidant, helping to reduce oxidative damage by neutralizing free radicals and reactive oxygen species.
Vit c
Vitamin C is an essential nutrient that humans must obtain from their diet. It acts as an antioxidant, helps form collagen, and supports brain and immune health. Deficiency can cause scurvy, with symptoms like bleeding gums, bruising, and fatigue. While rare today, scurvy was historically common among those with limited diets like sailors. The recommended daily intake is 75-90mg for adults, and deficiency is more likely in smokers, alcoholics, and those with poor diets or nutrient absorption issues. High doses from supplements can cause side effects like diarrhea.
Vitamin e
Vitamins are the trace elements required by our body.They may not be required in large amount such as carbohydrate, protein or lipid but are required in trace amount to maintain the metabolic reactions going on in our body. Vitamins are mainly of two types: fat soluble and lipid soluble. Lipid soluble vitamins are stored in our body.
Vitamin E is one of the fat soluble vitamins.Its main actions is to scavenge the free radicals. Thus is the major component of our natural anti-oxidant system.It also plays important role in certain biological functions.
Vitamin E
Vitamin E is a fat-soluble vitamin that exists as both tocopherols and tocotrienols. It is an important antioxidant that protects cell membranes from oxidative damage by reacting with lipid radicals produced in the body during oxidation. The most biologically active form is alpha-tocopherol. Vitamin E is absorbed with dietary fat and transported throughout the body associated with lipoproteins. A deficiency can cause hemolytic anemia, muscular dystrophy, and neurological problems due to increased lipid peroxidation in tissues.
VITAMIN-C [MEDICINAL CHEMISTRY] SOURCE, RECOMMENDED DIETARY ALLOWANCE,DEFICIE...
VITAMIN-C [MEDICINAL CHEMISTRY] SOURCE, RECOMMENDED DIETARY ALLOWANCE,DEFICIENCY OF VITAMIN C,FUNCTIONS,ASSAY, REACTION,PHYSIOLOGICAL IMPORTANCE, INTERACTIONS,USES OF VITAMIN-C.
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Vit d
Vitamin D is a fat-soluble vitamin that is important for bone and muscle health. It is synthesized in the skin upon exposure to sunlight or obtained from dietary sources. The liver and kidneys work to activate vitamin D before it can be used by the body. Vitamin D deficiency can lead to rickets in children and osteomalacia or osteoporosis in adults and is associated with increased risk of various diseases. Treatment of deficiency involves obtaining more vitamin D through diet, supplements, or sunlight exposure.
Vitamin E
This document provides information on vitamin E, including its chemistry, sources, pharmacological properties, therapeutic uses, contraindications, interactions, deficiency symptoms, side effects, and hypervitaminosis. Some key sources of vitamin E include sunflower seeds, almonds, hazelnuts, peanuts, and pine nuts. Vitamin E has properties such as preventing oxidative stress and supporting healthy skin. Therapeutic uses include conditions like angina, acne, Alzheimer's, and cancer. High doses may prolong bleeding time, while deficiency can cause digestive issues and neuropathy.
VITAMIN C
Vitamin C is a water soluble vitamin also known as ascorbic acid. It exists in two forms, the reduced L-ascorbic acid and the oxidized L-dehydro ascorbic acid. Vitamin C plays an important role in many biochemical reactions in the body as a cofactor, including collagen synthesis, carnitine biosynthesis, and neurotransmitter synthesis. A deficiency in vitamin C results in scurvy, characterized by hemorrhaging, delayed wound healing, and bone fractures. Good dietary sources of vitamin C include citrus fruits, berries, peppers, broccoli, and potatoes.
Ppt on vit e and k
It talks about discovery,chemistry, dietary sources, absorption transport and storage,functions and some applications, etc. of Vitamin E and Vitamin K
Vitamin e
This document discusses vitamin E, including its dietary sources, biochemical functions, absorption and transport, recommended daily allowance, deficiency symptoms, and toxicity. Vitamin E is a fat-soluble vitamin and antioxidant that prevents lipid peroxidation and protects cell membranes. Key dietary sources include nuts, seeds, and green leafy vegetables. The RDA for vitamin E is 15 mg/day for adults. Deficiency can cause neurological and muscle problems, while toxicity is rare and requires extremely high doses over 1000 mg/day.
Vitamin A chemistry, functions and deficiency
1) Vitamin A plays an essential role in vision, immune function, cell growth and differentiation. It exists in two forms - retinoids found in animal foods and carotenoids which are plant-derived provitamin A compounds.
2) Dietary vitamin A is absorbed in the intestine and transported to the liver where it is stored. It is then circulated bound to retinol-binding protein.
3) Deficiency can result from inadequate intake or malabsorption and causes xerophthalmia, night blindness, susceptibility to infection and increased mortality in children.
Vitamin C
Vitamin C is an essential water-soluble nutrient that functions as an antioxidant. It is required in the diet since humans cannot produce it internally. Vitamin C deficiency can result in scurvy, with symptoms of bleeding gums, slow wound healing, and bone pain. Cooking, storage, and processing can reduce vitamin C content in foods. Good dietary sources include amla, guava, and citrus fruits. The recommended daily intake is 40 mg for adults.
Importance of vitamin d
Vitamin D is important for human health and deficiency can lead to diseases like rickets. It is obtained through sun exposure, diet, and supplements. The document discusses vitamin D's roles in bone health, cancer prevention, cardiovascular, immune function, and other diseases. It provides recommendations for intake amounts and lists food sources of vitamin D like fatty fish, eggs, and fortified foods. Vitamin D deficiency is highly prevalent globally and putting populations at risk for various chronic conditions.
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Vitamin B3, also known as niacin, is a water-soluble vitamin that is essential for growth and metabolism. It plays important roles in converting food into energy, producing DNA and hormones. Deficiency can result in pellagra with symptoms of dermatitis, dementia and diarrhea. Niacin is found in many foods like yeast, meat, eggs and peanuts. It can also be synthesized in the body from the amino acid tryptophan.
Vitamin e & k
This document discusses vitamin E. It notes that plants are a rich source of vitamin E, listing several plant sources like almonds, barley, sunflower, wheat germ oil, potatoes, and mangos. Vitamin E helps cell membranes by avoiding oxidation of polyunsaturated fatty acids. A vitamin E deficiency can cause issues like exudative diathesis, muscular dystrophy, and encephalomalacia in poultry and white muscle disease and enzootic ataxia in other animals.
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Vitamin E
This 7-page document discusses vitamin E. It begins by defining vitamins and describing vitamin E's structure and functions. Vitamin E is a fat-soluble antioxidant that protects cells from damage and may help prevent diseases. The document outlines the biosynthesis pathway of vitamin E and its mechanism of action as an antioxidant, for immunomodulation, and antiplatelet effects. Potential advantages are described, but high doses of vitamin E supplements are linked to increased health risks. Rare diseases can result from a vitamin E deficiency.
vitamin B6
Vitamin B6, also known as pyridoxine, is important for many metabolic processes in the body. It acts as a coenzyme in reactions involving transamination, deamination, and decarboxylation. A lack of vitamin B6 can lead to abnormal growth, anemia, high blood pressure, dermatitis, and pellagra. Risk factors for vitamin B6 deficiency include a low vitamin intake, pregnancy, alcohol or smoking, older age, antibiotic use, and diabetes.
Vitamin E
Vitamin E is a fat-soluble antioxidant that protects cells from free radical damage. It is found naturally in many foods like vegetable oils, nuts, and greens. The recommended daily allowance for vitamin E is 15 mg per day for adults, though some research suggests needs may vary individually. While rare, vitamin E deficiency can cause hemolytic anemia and nerve damage. High supplemental doses over 400 IU per day may increase health risks for older adults, so consultation with a healthcare provider is recommended before high dose supplementation.
Vitamin C MUHAMMAD MUSTANSAR
Vitamin C plays an essential role in many bodily functions. It acts as a reducing agent and antioxidant, helping to synthesize collagen and aid in iron absorption. A deficiency of vitamin C, known as scurvy, results in fragile blood vessels, bleeding gums, and poor wound healing due to a lack of collagen production. While most land animals can synthesize vitamin C, humans must obtain it through their diet by eating foods like citrus fruits, berries, peppers and leafy greens.
Vitamin a-deficiency
Vitamin A is an organic compound that is either obtained through the diet or synthesized in the body. It exists in two major forms: retinoids, which are fat-soluble, and carotenoids, which are water-soluble. Vitamin A deficiency can cause night blindness, dry eyes, susceptibility to infection, and even blindness or death in severe cases. It is commonly caused by diets lacking animal sources of vitamin A and breastmilk from deficient mothers. Too much vitamin A intake can also be toxic, causing nausea, headaches, and birth defects.
Vitamin c
This document discusses vitamin C, including its functions, dietary sources, and the clinical features of scurvy resulting from vitamin C deficiency. Key points include:
- Vitamin C is a water-soluble vitamin that functions as an antioxidant and is necessary for collagen synthesis. It supports iron absorption and plays roles in neurotransmitter and steroid synthesis.
- Good dietary sources include amla, guava, citrus fruits, and green leafy vegetables.
- Scurvy results from vitamin C deficiency and causes bleeding gums, tooth loss, bruising and bleeding into joints and skin. Bone growth is impaired in children with scurvy.
Vitamin e
Vitamin E refers to a group of compounds that function as antioxidants. It has several important biological functions, including as an antioxidant that protects cell membranes and as a regulator of enzymes and gene expression. The main dietary sources of vitamin E include various oils, nuts, and green leafy vegetables. While vitamin E deficiency can cause neurological and muscular issues, the recommended daily intake helps prevent deficiency.
Vitamin A
This document discusses vitamin A, including its classification, sources, absorption, transport, storage, functions, deficiency, toxicity, and recommended daily intake. Some key points:
- Vitamin A is a fat-soluble vitamin that is essential for vision, growth, reproduction, and epithelial cell maintenance. It cannot be made by the body and must come from diet.
- Major sources include liver, dairy, eggs, carrots and other orange vegetables. Beta-carotene from plants is a provitamin A that the body can convert to vitamin A.
- It is absorbed in intestinal cells and transported to the liver bound to retinol binding protein in the bloodstream. The liver stores significant amounts.
-
Vitamin k MUHAMMAD MUSTANSAR
Vitamin K is essential for blood clotting as it is required for the production of proteins involved in coagulation like prothrombin. There are two forms - K1 derived from plants and K2 produced by intestinal bacteria. Vitamin K acts as a cofactor for the gamma carboxylation of glutamic acid residues in clotting factors to enable their biological activity in clot formation. A deficiency can result in bleeding issues as it decreases the synthesis of factors II, VII, IX and X.
Vitamin e
This document provides an overview of vitamin E, including its history, structure, metabolism, storage, functions, requirements, and effects of deficiency. Some key points:
- Vitamin E is a fat-soluble vitamin that acts as an antioxidant and protects cell membranes from free radical damage. It has various physiological benefits.
- Early research in the 1930s-40s showed vitamin E supplements could treat premature infants and reduce hemolysis in rats. This established vitamin E's role in hemolytic anemia.
- Requirements depend on factors like unsaturated fat intake, with 3-15 mg/day needed by humans on average. Higher PUFA diets require more vitamin E.
- Def
Vitamin D defecancy
Lecture By:
Dr.EHAB ABUSINNA
Orthopedic specialists
Meeqat General Hospital ,Medina Munawara ,KSA
VITAMIN B6 PYRIDOXINE
Vitamin B6 is a collective term for pyridoxine, pyridoxal, and pyridoxamine. It functions as a coenzyme in many biochemical reactions involved in amino acid metabolism. Deficiency can cause neurological symptoms like depression, confusion, and seizures as well as anemia. Toxicity from high doses over 200mg/day can cause nerve damage.
Vitamin C power point
Vitamin C is an essential nutrient that prevents scurvy, a disease characterized by bleeding gums and bruising. It was discovered in the 17th century that lemon juice prevented scurvy in sailors. Vitamin C is found in many fruits and vegetables and plays an important role in immune function, collagen production, iron absorption and cardiovascular health. A daily intake of 60 mg is recommended, though some research suggests higher intakes may provide additional health benefits. Without enough vitamin C, scurvy will develop due to a breakdown of connective tissues.
Vitamin b6
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- 1. Vitamin C (ascorbic acid) Stacey A. Pappas Kaplan University 2/1/2016
- 2. What is Vitamin C? • Vitamin C is a water-soluble nutrient found in some foods • When consumed the nutrient acts as a antioxidant • Antioxidants help protect cells from being damaged by free radicals • Our bodies make collagen from vitamin C • Vitamin C improves the absorption of iron from plant based foods
- 3. How much Vitamin C do YOU need? Life Stage Recommended Amount Birth – 6 mo./7 – 12 mo. 40/50 mg Children 1-3/4-8/9-13 years old 15/25/45 mg Teens 14-18 years old boys/girls 75/65 mg Adult Men 90 mg Adult Women 75 mg Pregnant Women 85 mg Breastfeeding Women 120 mg *Smokers add 35 mg
- 4. When should Vitamin C be supplemented? • Smokers need more vitamin-C than the recommended intake because of their exposure to free radicals. • Vitamin C is destroyed when milk is heated. Babies being feed evaporated or boiled milk need additional vitamin C. • Those who eat a limited amount of fruits and veggies • People with certain medical conditions: malabsorption, some cancers, kidney disease, and hemodialysis.
- 5. How can I get the Vitamin C I need? • Consume citrus fruits (oranges, grapefruit, green and red peppers, kiwi) • Other Vitamin C fruits and veggies (broccoli, strawberries, cantaloupe, baked potatoes, and tomatoes) • To determine if vitamin C has been added to food or drink, check the product label. Vitamin C is also available alone as a supplement or in a combination with other nutrients.
- 6. Deficiency or Toxicity? • Vitamin C is rare. People who get less than 10 mg for many weeks may develop scurvy. • Scurvy causes fatigue, inflammation of the gums, small red or purple spots on the skin, joint pain, poor wound healing, corkscrew hairs and depression. • Scurvy is faal if not treated. • Taking too much Vitamin C can cause diarrhea and nausea.
- 7. Upper Limits for Vitamin C Life Stage Upper Limit Birth to 12 months Not established Children 1-3 400 mg Children 4-8 650 mg Children 9-13 1200 mg Teens 14-18 1800 mg Adults 2000 mg
- 8. Vitamin C verses the common cold • Vitamin C intakes far exceeding the recommended level have been promoted to be effective in curing the common cold. • Daily intakes of 1000 mg daily is completely normal. • The max one should consume daily is 2000 mg • Warning: consuming more than 2000 mg may cause gastrointestinal symptoms and diarrhea. Higher doses of vitamin C can actually damage tissues and interfere with normal processes.
- 9. Clinical Applications • Wound healing • Fever and infection • Growth • Stress and body response • Chronic disease prevention
- 10. References • National Institue of health. (2011, June 24). Retrieved February 1, 2016, from https://ods.od.nih.gov/factsheets/VitaminC- Consumer/ • Schlenker, E., & Long Roth, S. (2011). Williams' essentials of nutrition and diet therapy (10th ed.). St. Louis, MO: Elsevier.
Editor's Notes
- (n.a. ,2011).
- (n.a., 2011).
- (n.a., 2011).
- (n.a., 2011).
- (n.a., 2011).
- (n.a., 2011).
- (E. Schlenker & S. Long Roth, 2011).
- Wound Healing: The role vitamin C plays in forming the cement for building supporting tissues is why it is used for traumatic injuries and burn patients in need of tissue growth. Fever and Infection: When the body is sick with infection or fever the vitamin C stored depletes. Growth: Additional Vitamin C is needed during rapid growth in infants and children. Vitamin C intake is crucial during pregnancy to support fetal development and expansion of maternal tissues. Stress and body response: When our body experiences stress caused by injury, illness, debilitating disease or emotional distress the vitamin C stored in the adrenal gland is called on. Chronic disease prevention: Individuals who consume higher levels of fruits and vegetables have higher intakes of plasma levels of vitamin C . In exchange they have a lower incidence of age-related cataract, type 2 diabetes, and cardiovascular mortality. However, vitamin C supplements will not prevent cardiovascular disease.