Vitamin E
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This is all about Vitamin E. Structure of Vitamin E Types of Vitamin E Characteristics of Vitamin E Sources of Vitamin E Functions of Vitamin E Deficiency of Vitamin E
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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 e by javeria
This document discusses vitamin E, including its structure, sources, roles in the body, health benefits, and deficiencies. Some key points:
- Vitamin E plays a role in maintaining health of tissues and can protect lungs from pollution. Major sources include sunflower seeds, almonds, and avocados.
- It has benefits such as reducing risks of cataracts, diabetes, Parkinson's disease, and respiratory infections. High doses may improve insulin resistance and blood sugar control.
- Deficiency can occur in premature infants and those with fat malabsorption issues. Symptoms include anemia. Overdosing on high levels may cause side effects like nausea and interfere with absorption of vitamins A and 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 E - NUTRITIONAL STUDY.
Vitamin E was discovered in 1922 and is a fat-soluble vitamin that exists as tocopherols and tocotrienols. Alpha-tocopherol is the most active form that acts as an antioxidant to protect tissues from free radical damage. Vitamin E is obtained through foods like vegetable oils, nuts, seeds, and green leafy vegetables. It helps maintain immune function, supports red blood cell formation, and protects PUFAs and vitamins A and C from oxidation. Deficiency can cause neurological issues, skin and hair problems, and increased risk of certain diseases. Toxicity is rare but can potentially increase bleeding risk with high doses.
Vitamin-D
Vitamin D is a steroid that is present in animals, plants and yeast. It is insoluble in water but soluble in fat and organic solutions. Vitamin D is sensitive to oxygen, light and iodine. It is considered a prohormone because it is converted to the active form 1,25-dihydroxycholesterol. Vitamin D functions to regulate calcium and phosphorus metabolism by promoting their absorption in the intestines and mobilization from bones. It is necessary for bone development and growth. A deficiency of vitamin D can lead to rickets in children, causing bowed legs and bone fractures, and osteomalacia in adults characterized by poor bone mineralization. Toxicity can result from long-
Vitamin E MUHAMMAD MUSTANSAR
Vitamin E, also known as tocopherol, is a fat-soluble antioxidant. It exists in various forms, with alpha-tocopherol being the most biologically active form. Vitamin E protects cell membranes from damage by reacting with and terminating free radicals. It also plays a role in reproduction, blood flow, and the electron transport system. Dietary sources include vegetable oils, nuts and green leafy vegetables. A deficiency can impact muscle function, blood cell health, and reproduction.
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 e
Vitamin E is a fat-soluble antioxidant that protects cell membranes from damage. It is essential for neurological function and reproduction. A lack of vitamin E can cause neurological issues like difficulty coordinating movements and peripheral neuropathy. While vitamin E supplements are generally safe, more research is still needed on their long-term health effects for conditions like heart disease and cancer prevention. Vitamin E is especially important for premature infants to prevent complications like anemia and hemolysis.
Recommended
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 e by javeria
This document discusses vitamin E, including its structure, sources, roles in the body, health benefits, and deficiencies. Some key points:
- Vitamin E plays a role in maintaining health of tissues and can protect lungs from pollution. Major sources include sunflower seeds, almonds, and avocados.
- It has benefits such as reducing risks of cataracts, diabetes, Parkinson's disease, and respiratory infections. High doses may improve insulin resistance and blood sugar control.
- Deficiency can occur in premature infants and those with fat malabsorption issues. Symptoms include anemia. Overdosing on high levels may cause side effects like nausea and interfere with absorption of vitamins A and 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 E - NUTRITIONAL STUDY.
Vitamin E was discovered in 1922 and is a fat-soluble vitamin that exists as tocopherols and tocotrienols. Alpha-tocopherol is the most active form that acts as an antioxidant to protect tissues from free radical damage. Vitamin E is obtained through foods like vegetable oils, nuts, seeds, and green leafy vegetables. It helps maintain immune function, supports red blood cell formation, and protects PUFAs and vitamins A and C from oxidation. Deficiency can cause neurological issues, skin and hair problems, and increased risk of certain diseases. Toxicity is rare but can potentially increase bleeding risk with high doses.
Vitamin-D
Vitamin D is a steroid that is present in animals, plants and yeast. It is insoluble in water but soluble in fat and organic solutions. Vitamin D is sensitive to oxygen, light and iodine. It is considered a prohormone because it is converted to the active form 1,25-dihydroxycholesterol. Vitamin D functions to regulate calcium and phosphorus metabolism by promoting their absorption in the intestines and mobilization from bones. It is necessary for bone development and growth. A deficiency of vitamin D can lead to rickets in children, causing bowed legs and bone fractures, and osteomalacia in adults characterized by poor bone mineralization. Toxicity can result from long-
Vitamin E MUHAMMAD MUSTANSAR
Vitamin E, also known as tocopherol, is a fat-soluble antioxidant. It exists in various forms, with alpha-tocopherol being the most biologically active form. Vitamin E protects cell membranes from damage by reacting with and terminating free radicals. It also plays a role in reproduction, blood flow, and the electron transport system. Dietary sources include vegetable oils, nuts and green leafy vegetables. A deficiency can impact muscle function, blood cell health, and reproduction.
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 e
Vitamin E is a fat-soluble antioxidant that protects cell membranes from damage. It is essential for neurological function and reproduction. A lack of vitamin E can cause neurological issues like difficulty coordinating movements and peripheral neuropathy. While vitamin E supplements are generally safe, more research is still needed on their long-term health effects for conditions like heart disease and cancer prevention. Vitamin E is especially important for premature infants to prevent complications like anemia and hemolysis.
Vitamin E
Vitamin E is a fat-soluble vitamin that exists in eight different forms and has various health benefits. It acts as an antioxidant to protect cells from free radical damage and prevent disease development. Good dietary sources of vitamin E include sunflower oil, almonds, and avocados. Vitamin E supports heart health, skin and hair repair, hormone balance, vision, and physical endurance. Deficiency can result in anemia, dry skin, hair loss, and muscle weakness.
Vitamin d
1) Vitamin D is produced in the skin from sunlight exposure and is also obtained in small amounts from dietary sources like fatty fish.
2) In the liver and kidneys, vitamin D is activated to its biological form which acts to regulate calcium and phosphate levels in the body by increasing their absorption in the intestines and mobilization from bones.
3) Vitamin D deficiency can lead to rickets in children and osteomalacia in adults, characterized by soft, weak bones due to poor mineralization.
VITAMIN E
Vitamin E is a group of compounds called tocopherols and tocotrienols that are fat-soluble antioxidants. Alpha-tocopherol is the most biologically active form. Vitamin E protects cell membranes from oxidation by reacting with free radicals. It is absorbed with dietary fat and transported throughout the body associated with lipoproteins. The main function of vitamin E is its antioxidant role in preventing lipid peroxidation and protecting polyunsaturated fatty acids. Recommended daily intake is 10-15 mg but requirements may increase during pregnancy and lactation. Rich dietary sources include vegetable oils. Deficiency can occur in premature infants and those with fat malabsorption issues.
Vitamin E
Vitamin E, also known as tocopherol, is a lipid-soluble antioxidant that maintains the fluidity of cell membranes. It has eight naturally occurring forms, with alpha-tocopherol being the most biologically active form in humans. Vitamin E is absorbed along with dietary fats and transported to the liver and then throughout the body. It acts as a chain-breaking antioxidant, protecting cells from free radical damage. Good dietary sources include vegetable oils, broccoli, and fish. While deficiency is rare, it can cause hemolytic anemia and neurological issues. Vitamin E supplements are sometimes used to treat conditions like restless leg syndrome and stress.
Vitamine E
Vitamin E was discovered in 1922 and given its name in 1935. It is a fat-soluble vitamin that exists as both tocopherols and tocotrienols, with alpha-tocopherol being the most biologically active form. Vitamin E functions as a lipid-soluble antioxidant in the body, protecting cell membranes from oxidative damage by reacting with lipid peroxyl radicals. It is found naturally in many foods like sunflower seeds, avocados and olive oil. Vitamin E supports immune function, neurological health, and protects against heart disease and cancer. Deficiency can cause hemolytic anemia, neurological issues and retinal damage.
VIitamin - E
Vitamin E is a fat-soluble vitamin that exists in various forms and is an important antioxidant. It protects cell membranes from oxidative damage and supports reproductive health. The main dietary sources are soy, sunflower, and safflower oils. Vitamin E is absorbed with fat and transported through the body associated with lipoproteins. It is stored in tissues like liver and adipose tissue. Recommended daily intake ranges from 15mg for adults to 4-12mg for children and pregnant/lactating women. Topical vitamin E formulations can treat skin conditions and reduce wrinkles.
VITAMIN D MUHAMMAD MUSTANSAR
Vitamin D is an essential nutrient that promotes calcium absorption in the intestines and maintains adequate serum calcium and phosphate concentrations to enable normal mineralization of bone. It exists in two main forms, D2 (ergocalciferol) and D3 (cholecalciferol), and is obtained through exposure to sunlight, dietary intake of oily fish, eggs, and vitamin D fortified foods. The liver converts vitamin D to calcidiol which is then converted by the kidneys to calcitriol, the biologically active form, which regulates calcium and phosphate levels. Deficiencies can lead to rickets in children and osteomalacia in adults, characterized by soft, deformed bones and muscle weakness.
Vitamin D
Vitamin D, also known as the sunshine vitamin, can be produced in the skin upon exposure to UVB light or obtained in the diet. It plays an important role in calcium and phosphorus homeostasis. Dietary requirements are minimal as the body can produce vitamin D3 in the skin, but certain groups like the elderly are at higher risk of deficiency. Deficiency can lead to rickets in children and osteomalacia in adults, characterized by soft, weak bones and bone pain.
Vitamin D
Vitamin D is important for many bodily functions beyond bone health. It acts as a hormone and is involved in processes like calcium absorption and immune function. Sources of vitamin D include fatty fish, fish liver oils, egg yolks, and exposure to sunlight. Deficiencies can cause bone diseases like rickets and osteomalacia and increase risk for various cancers and autoimmune diseases.
Vitamin k and e
Vitamins are essential nutrients required in small amounts for specific biological functions. Vitamin E is an antioxidant that prevents cell damage and aids in red blood cell formation. Vitamin K is required for blood clotting as it allows clotting factors to bind calcium. Hypophosphatasia is a rare bone disorder caused by alkaline phosphatase deficiency, causing skeletal abnormalities and tooth loss. It ranges from severe in infants to mild in adults.
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 D
This document discusses vitamin D, including its types, metabolism, absorption, storage, functions, requirements, sources, deficiency, and toxicity. The two major forms are vitamins D2 and D3. Vitamin D is absorbed in the small intestine and transported to the liver and kidney where it is converted to its active form, 1,25-dihydroxyvitamin D. This active form regulates calcium and phosphorus absorption in the intestine and their deposition in bone. Requirements vary by species but adequate sunlight can meet animal requirements. Deficiency causes rickets in young animals due to poor bone mineralization.
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
Vitamins(1)
Vitamins are organic molecules that are essential micronutrients required for normal cellular function and tissue integrity. They are classified as either fat-soluble (A, D, E, K) or water-soluble (B and C). Vitamin D is produced in the body from sunlight exposure and is important for calcium absorption and bone health. A deficiency can cause rickets or osteomalacia due to impaired bone mineralization, while excess intake can result in hypercalcemia and soft tissue calcification. Vitamin D works with parathyroid hormone and calcitonin to maintain appropriate serum calcium levels through effects on bone resorption and renal excretion.
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 - A
Vitamin A was discovered in the early 20th century through research on the essential dietary factors required for growth. In 1912, Frederick Gowland Hopkins discovered unknown factors in milk that aided rat growth, and in 1917 Elmer McCollum isolated one of these substances, which was later referred to as vitamin A in 1920. Vitamin A occurs in foods as retinoids and carotenoids like beta-carotene, and plays critical roles in vision, cell growth and differentiation, epithelial integrity, immune function, and as an antioxidant. Deficiency of vitamin A can cause night blindness, dry eyes, increased susceptibility to infection, and even blindness.
Vitamin B Complex
Report about some facts about vitamin B complex and the importance, origin, signs and symptoms of deficiency and food sources of Vitamin B1 (thiamine), Vitamin B2 (riboflavin), Vitamin B3 (niacin), Vitamin B6 (pyrodixine), and Vitamin B12 (cyanocobalamin), It also has very detailed origin on how each vitamin was discovered
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 and its clinical applications
A comprehensive presentation on Vitamin E and its clinical applications for MBBS, BDS, Biotechnology and BPham students to facilitate self-study.
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 E lec.pptx
Vitamin E is a naturally occurring antioxidant that protects cells from damage. It prevents the oxidation of polyunsaturated fatty acids and maintains cell membrane integrity. Vitamin E works with other antioxidants like vitamin C and selenium to neutralize free radicals. The recommended daily intake is 15 IU for adults, with vegetable oils, nuts, seeds, and whole grains as good dietary sources.
Fat soluble vitamins
Vitamins are essential micronutrients that perform diverse functions in the body like acting as enzyme cofactors or antioxidants. Thirteen vitamins are generally recognized which are classified as either water-soluble or fat-soluble based on their solubility. Fat-soluble vitamins include vitamin A found in liver, eggs and dairy, vitamin D found in fish liver oils and produced from sunlight exposure, vitamin E found in plant oils, wheatgerm and nuts, and vitamin K found in green leafy vegetables and fermented foods. The document discusses the sources, recommended daily amounts and chemical structures of these fat-soluble vitamins.
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What's hot
Vitamin E
Vitamin E is a fat-soluble vitamin that exists in eight different forms and has various health benefits. It acts as an antioxidant to protect cells from free radical damage and prevent disease development. Good dietary sources of vitamin E include sunflower oil, almonds, and avocados. Vitamin E supports heart health, skin and hair repair, hormone balance, vision, and physical endurance. Deficiency can result in anemia, dry skin, hair loss, and muscle weakness.
Vitamin d
1) Vitamin D is produced in the skin from sunlight exposure and is also obtained in small amounts from dietary sources like fatty fish.
2) In the liver and kidneys, vitamin D is activated to its biological form which acts to regulate calcium and phosphate levels in the body by increasing their absorption in the intestines and mobilization from bones.
3) Vitamin D deficiency can lead to rickets in children and osteomalacia in adults, characterized by soft, weak bones due to poor mineralization.
VITAMIN E
Vitamin E is a group of compounds called tocopherols and tocotrienols that are fat-soluble antioxidants. Alpha-tocopherol is the most biologically active form. Vitamin E protects cell membranes from oxidation by reacting with free radicals. It is absorbed with dietary fat and transported throughout the body associated with lipoproteins. The main function of vitamin E is its antioxidant role in preventing lipid peroxidation and protecting polyunsaturated fatty acids. Recommended daily intake is 10-15 mg but requirements may increase during pregnancy and lactation. Rich dietary sources include vegetable oils. Deficiency can occur in premature infants and those with fat malabsorption issues.
Vitamin E
Vitamin E, also known as tocopherol, is a lipid-soluble antioxidant that maintains the fluidity of cell membranes. It has eight naturally occurring forms, with alpha-tocopherol being the most biologically active form in humans. Vitamin E is absorbed along with dietary fats and transported to the liver and then throughout the body. It acts as a chain-breaking antioxidant, protecting cells from free radical damage. Good dietary sources include vegetable oils, broccoli, and fish. While deficiency is rare, it can cause hemolytic anemia and neurological issues. Vitamin E supplements are sometimes used to treat conditions like restless leg syndrome and stress.
Vitamine E
Vitamin E was discovered in 1922 and given its name in 1935. It is a fat-soluble vitamin that exists as both tocopherols and tocotrienols, with alpha-tocopherol being the most biologically active form. Vitamin E functions as a lipid-soluble antioxidant in the body, protecting cell membranes from oxidative damage by reacting with lipid peroxyl radicals. It is found naturally in many foods like sunflower seeds, avocados and olive oil. Vitamin E supports immune function, neurological health, and protects against heart disease and cancer. Deficiency can cause hemolytic anemia, neurological issues and retinal damage.
VIitamin - E
Vitamin E is a fat-soluble vitamin that exists in various forms and is an important antioxidant. It protects cell membranes from oxidative damage and supports reproductive health. The main dietary sources are soy, sunflower, and safflower oils. Vitamin E is absorbed with fat and transported through the body associated with lipoproteins. It is stored in tissues like liver and adipose tissue. Recommended daily intake ranges from 15mg for adults to 4-12mg for children and pregnant/lactating women. Topical vitamin E formulations can treat skin conditions and reduce wrinkles.
VITAMIN D MUHAMMAD MUSTANSAR
Vitamin D is an essential nutrient that promotes calcium absorption in the intestines and maintains adequate serum calcium and phosphate concentrations to enable normal mineralization of bone. It exists in two main forms, D2 (ergocalciferol) and D3 (cholecalciferol), and is obtained through exposure to sunlight, dietary intake of oily fish, eggs, and vitamin D fortified foods. The liver converts vitamin D to calcidiol which is then converted by the kidneys to calcitriol, the biologically active form, which regulates calcium and phosphate levels. Deficiencies can lead to rickets in children and osteomalacia in adults, characterized by soft, deformed bones and muscle weakness.
Vitamin D
Vitamin D, also known as the sunshine vitamin, can be produced in the skin upon exposure to UVB light or obtained in the diet. It plays an important role in calcium and phosphorus homeostasis. Dietary requirements are minimal as the body can produce vitamin D3 in the skin, but certain groups like the elderly are at higher risk of deficiency. Deficiency can lead to rickets in children and osteomalacia in adults, characterized by soft, weak bones and bone pain.
Vitamin D
Vitamin D is important for many bodily functions beyond bone health. It acts as a hormone and is involved in processes like calcium absorption and immune function. Sources of vitamin D include fatty fish, fish liver oils, egg yolks, and exposure to sunlight. Deficiencies can cause bone diseases like rickets and osteomalacia and increase risk for various cancers and autoimmune diseases.
Vitamin k and e
Vitamins are essential nutrients required in small amounts for specific biological functions. Vitamin E is an antioxidant that prevents cell damage and aids in red blood cell formation. Vitamin K is required for blood clotting as it allows clotting factors to bind calcium. Hypophosphatasia is a rare bone disorder caused by alkaline phosphatase deficiency, causing skeletal abnormalities and tooth loss. It ranges from severe in infants to mild in adults.
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 D
This document discusses vitamin D, including its types, metabolism, absorption, storage, functions, requirements, sources, deficiency, and toxicity. The two major forms are vitamins D2 and D3. Vitamin D is absorbed in the small intestine and transported to the liver and kidney where it is converted to its active form, 1,25-dihydroxyvitamin D. This active form regulates calcium and phosphorus absorption in the intestine and their deposition in bone. Requirements vary by species but adequate sunlight can meet animal requirements. Deficiency causes rickets in young animals due to poor bone mineralization.
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
Vitamins(1)
Vitamins are organic molecules that are essential micronutrients required for normal cellular function and tissue integrity. They are classified as either fat-soluble (A, D, E, K) or water-soluble (B and C). Vitamin D is produced in the body from sunlight exposure and is important for calcium absorption and bone health. A deficiency can cause rickets or osteomalacia due to impaired bone mineralization, while excess intake can result in hypercalcemia and soft tissue calcification. Vitamin D works with parathyroid hormone and calcitonin to maintain appropriate serum calcium levels through effects on bone resorption and renal excretion.
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 - A
Vitamin A was discovered in the early 20th century through research on the essential dietary factors required for growth. In 1912, Frederick Gowland Hopkins discovered unknown factors in milk that aided rat growth, and in 1917 Elmer McCollum isolated one of these substances, which was later referred to as vitamin A in 1920. Vitamin A occurs in foods as retinoids and carotenoids like beta-carotene, and plays critical roles in vision, cell growth and differentiation, epithelial integrity, immune function, and as an antioxidant. Deficiency of vitamin A can cause night blindness, dry eyes, increased susceptibility to infection, and even blindness.
Vitamin B Complex
Report about some facts about vitamin B complex and the importance, origin, signs and symptoms of deficiency and food sources of Vitamin B1 (thiamine), Vitamin B2 (riboflavin), Vitamin B3 (niacin), Vitamin B6 (pyrodixine), and Vitamin B12 (cyanocobalamin), It also has very detailed origin on how each vitamin was discovered
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 and its clinical applications
A comprehensive presentation on Vitamin E and its clinical applications for MBBS, BDS, Biotechnology and BPham students to facilitate self-study.
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
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Similar to Vitamin E
Vitamin E lec.pptx
Vitamin E is a naturally occurring antioxidant that protects cells from damage. It prevents the oxidation of polyunsaturated fatty acids and maintains cell membrane integrity. Vitamin E works with other antioxidants like vitamin C and selenium to neutralize free radicals. The recommended daily intake is 15 IU for adults, with vegetable oils, nuts, seeds, and whole grains as good dietary sources.
Fat soluble vitamins
Vitamins are essential micronutrients that perform diverse functions in the body like acting as enzyme cofactors or antioxidants. Thirteen vitamins are generally recognized which are classified as either water-soluble or fat-soluble based on their solubility. Fat-soluble vitamins include vitamin A found in liver, eggs and dairy, vitamin D found in fish liver oils and produced from sunlight exposure, vitamin E found in plant oils, wheatgerm and nuts, and vitamin K found in green leafy vegetables and fermented foods. The document discusses the sources, recommended daily amounts and chemical structures of these fat-soluble vitamins.
fatsolublevitamines-160305160458.bhjjpdf
Vitamins A, D, E, and K are fat soluble vitamins that are stored in the body. Vitamin A supports vision, growth, reproduction and immunity. Vitamin D regulates calcium and phosphate levels and supports bone health. Vitamin E functions as an antioxidant. These vitamins can interact with each other and other nutrients. Requirements vary by species and life stage, with deficiencies causing issues like impaired vision, rickets, or bone problems.
Fat soluble vitamines
Fat soluble vitamins A, D, E, and K are stored in the body and play important roles in metabolism. Vitamin A supports vision, growth, and immunity. Vitamin D regulates calcium absorption and bone development. Vitamin E acts as an antioxidant and protects cell membranes. Vitamin K is required for blood clotting through synthesis of coagulation factors. These vitamins have synergistic and antagonistic relationships with each other and other nutrients like minerals in carrying out their metabolic functions. Deficiencies can cause various health issues depending on the vitamin. Requirements vary between species, life stages, and physiological state.
Vitamin E ADEK.pptx
Vitamin E is a group of compounds called tocopherols and tocotrienols that are important antioxidants. It is found in plant oils, nuts, seeds, and vegetables. Vitamin E is absorbed with fat and transported through the body attached to lipoproteins, where it helps protect cell membranes from free radical damage as a chain-breaking antioxidant. Recommended daily intakes range from 4-15 mg per day depending on age, with higher amounts for pregnant and breastfeeding women.
1. Vitamins.pptx
- Vitamins are organic compounds that are essential in small amounts for normal growth and life processes. They are classified as either fat-soluble (A, D, E, K) or water-soluble (C, B vitamins).
- Some key early discoveries include isolating the "antiberiberi factor" in 1911 and identifying two essential fractions (fat-soluble A and water-soluble B) in eggs and milk in 1915.
- Vitamin A was the first fat-soluble vitamin identified and helps maintain epithelial cells and vision. Vitamin D promotes calcium absorption and bone growth. Vitamin K is needed for blood clotting.
Vitamin E (Tocopherol)
Vitamin E is a fat-soluble vitamin that acts as an antioxidant. There are two forms of vitamin E - tocopherol and tocotrienol. Alpha-tocopherol is the most biologically active form. Vitamin E protects cell membranes from damage by reacting with and neutralizing free radicals before they can damage cells. The daily recommended intake is 10mg for males and 8mg for females. Good dietary sources include seeds, grains, nuts and various plant oils. While a vitamin E deficiency can cause issues like muscular dystrophy, an excess of vitamin E is not known to cause any specific disease.
nutritional supplemen and fat soluble .pptx
Vitamin D is a secosteroid produced in the skin from 7-dehydrocholesterol under UV light or obtained from dietary sources like fish, eggs, and mushrooms. It is stored in the liver and adipose tissue and functions to increase intestinal absorption of calcium and phosphate which is necessary for bone formation and mineralization. Vitamin D deficiency can lead to rickets in children, causing soft bones and deformities, and osteomalacia in adults, causing skeletal pain and porous bones. It has a recommended daily intake of 600-800 IU and is used to treat and prevent rickets, osteoporosis, and hypocalcemia.
VITAMIN E.pptx
Vitamin E, also known as tocopherol, is a fat-soluble antioxidant that protects cell membranes and fatty acids from oxidative damage. It is absorbed along with fat in the small intestine and transported throughout the body via lipoproteins. Vitamin E functions to prevent lipid peroxidation, protect cellular integrity, and support reproductive health. The recommended daily intake is 10-15 mg for adults, and deficiency can cause hemolytic anemia and neurological issues. Good dietary sources include vegetable oils, meat, eggs and dairy.
Arwa`s seminar on tocos
a taik in brief about tocotrienols , thier importance and chemical structure by arwa ahmed ali a third year student in food and science technology departement with the sharing of my colleague menna allah ibrahim ghazaly
all the information is obtained from the refrence recommended at the last slide
Vitamin E Dr ARUN.pptx
Vitamin E was discovered in 1922 and given its name in 1935. It is a fat-soluble vitamin that exists as both tocopherols and tocotrienols, with alpha-tocopherol being the most biologically active form. Vitamin E acts as a lipid-soluble antioxidant in the body, protecting cell membranes from oxidative damage by reacting with lipid peroxyl radicals. It is found naturally in many foods like sunflower seeds, avocados and spinach. Vitamin E deficiency can lead to hemolytic anemia, myopathy and neuropathy.
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Overall life span (LS) was 1671.7±1721.6 days and cumulative 5YS reached 62.4%, 10 years – 50.4%, 20 years – 44.6%. 94 LCP lived more than 5 years without cancer (LS=2958.6±1723.6 days), 22 – more than 10 years (LS=5571±1841.8 days). 67 LCP died because of LC (LS=471.9±344 days). AT significantly improved 5YS (68% vs. 53.7%) (P=0.028 by log-rank test). Cox modeling displayed that 5YS of LCP significantly depended on: N0-N12, T3-4, blood cell circuit, cell ratio factors (ratio between cancer cells-CC and blood cells subpopulations), LC cell dynamics, recalcification time, heparin tolerance, prothrombin index, protein, AT, procedure type (P=0.000-0.031). Neural networks, genetic algorithm selection and bootstrap simulation revealed relationships between 5YS and N0-12 (rank=1), thrombocytes/CC (rank=2), segmented neutrophils/CC (3), eosinophils/CC (4), erythrocytes/CC (5), healthy cells/CC (6), lymphocytes/CC (7), stick neutrophils/CC (8), leucocytes/CC (9), monocytes/CC (10). Correct prediction of 5YS was 100% by neural networks computing (error=0.000; area under ROC curve=1.0).
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Vitamin E
- 3. Contents: • Definition • Structure • Types • Characteristics • Sources • Functions • Deficiency
- 4. What is Vitamin-E ? • Tocopherol is the chemical name of vitamin E. • The word tocopherol is derived from the word toco that means ‘birth’ and pheros means ‘to bear’. • It is also called anti-aging factor. • It is a vitamin that dissolves in fat. • It is yellow oily liquid freely soluble in fat solvent.
- 6. Types of Vitamin-E: • Alpha (α) Tocopherol • Beta (β) Tocopherol • Gamma (γ) Tocopherol • Delta( δ) Tocopherol
- 7. Characteristics of Vitamin-E: • They are Oily Yellow Liquids. • They are insoluble in Water and soluble in Fat solvents. • Stable to Heat and Acids. • Unstable to Alkali. • They are destroyed when in contact with rancid fat and in iron.
- 8. Sources of Vitamin-E: Through Supplements Through Foods
- 9. Good sources of vitamin E: • Vegetable oils (such as wheat germ, sunflower, safflower, corn, and soybean oils) • Nuts (such as almonds, peanuts, and hazelnuts/filberts) • Seeds (such as sunflower seeds) • Green leafy vegetables (such as spinach and broccoli)
- 10. Functions of Vitamin-E: • Protects body tissue from damage caused by harm cells, tissues and organs. • Help body to keep the immune system strong against viruses and bacteria. • Important in the formation of red blood cells. • Helps cells to carry out many important functions. • Protects Cell Membrane.
- 11. Deficiency of Vitamin-E: Infants • Loss of weight • Delayed growth • Poor eating habits • Developmental problems Adults • Mild anemia • Age spots • Fragile red blood cells • Brain function abnormalities Children • Muscle weakness • Chronic liver disease • Slow growth • Motor speech disorder
- 12. Thank You!