Vitamin-C deficiency disease Scurvy.
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This presentation describes about vitamin-C its sources, RDA, deficiency all about scurvy. This presentation also describes about Scurvy, its history,its pathogenesis,impact of scurvy,diagnosis and its prevention and treatment.
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vitamin D deficiency
Vitamin D is a group of fat-soluble prohormones that are produced in the skin upon exposure to sunlight. The two major forms are vitamin D2 and vitamin D3. Vitamin D regulates calcium and phosphorus levels in the blood and promotes bone formation. Deficiency can cause rickets in children, characterized by soft and weak bones, and osteomalacia in adults. Rickets is treated with high doses of vitamin D orally or via injection to induce healing. Requirements are met by sunlight exposure or ingestion in foods like fortified milk. Too much vitamin D can cause hypercalcemia and symptoms like vomiting.
scurvy ~cabigas
Scurvy is a disease caused by vitamin C deficiency. It is characterized by symptoms like bleeding gums, loose teeth, and easy bruising. Scurvy develops when someone does not consume enough vitamin C from foods like citrus fruits, berries, peppers, potatoes, and leafy greens. Treatment involves supplementing the diet with vitamin C to reverse the symptoms.
Scurvy Disease
This document summarizes information about scurvy, a disease caused by vitamin C deficiency. It discusses vitamin C's functions, food sources, signs and symptoms of scurvy including bleeding gums and corkscrew hairs, and how scurvy can be treated by taking vitamin C supplements. The document also mentions that British sailors in the 1700s were cured of scurvy by eating oranges and lemons, though vitamin C was not isolated until the 1930s.
Vitamin C deficiency
Vitamin C plays important roles in the body including in collagen formation, wound healing, and immune function. A deficiency in vitamin C can lead to scurvy, which causes symptoms like bleeding gums, bruising, and poor wound healing. Scurvy develops when vitamin C levels in the body drop below a critical point, which can occur within 1-3 months if dietary intake is lacking. Several groups are at higher risk for vitamin C deficiency, including smokers, pregnant women, and those with digestive disorders that impact absorption. Treatment involves taking supplemental vitamin C orally to restore levels.
Scurvy
Scurvy is a disease caused by vitamin C deficiency. It results from several weeks or months without vitamin C in the diet. Symptoms include bleeding gums, loose teeth, and skin hemorrhages. Treatment involves consuming vitamin C through foods like oranges and broccoli or supplements. Scurvy was historically common in sailors who lacked fresh fruits and vegetables for long periods at sea.
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 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.
Scurvy
Scurvy is a disease caused by a lack of vitamin C, which was common among sailors and pirates on long sea voyages when fresh fruits and vegetables could not be stored. The symptoms of scurvy include fatigue, shortness of breath, bone pain, skin issues, gum disease, loose teeth, poor wound healing and emotional changes. Scurvy is not infectious or spread by vectors, and can be treated by taking vitamin C or prevented by eating foods containing vitamin C.
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vitamin D deficiency
Vitamin D is a group of fat-soluble prohormones that are produced in the skin upon exposure to sunlight. The two major forms are vitamin D2 and vitamin D3. Vitamin D regulates calcium and phosphorus levels in the blood and promotes bone formation. Deficiency can cause rickets in children, characterized by soft and weak bones, and osteomalacia in adults. Rickets is treated with high doses of vitamin D orally or via injection to induce healing. Requirements are met by sunlight exposure or ingestion in foods like fortified milk. Too much vitamin D can cause hypercalcemia and symptoms like vomiting.
scurvy ~cabigas
Scurvy is a disease caused by vitamin C deficiency. It is characterized by symptoms like bleeding gums, loose teeth, and easy bruising. Scurvy develops when someone does not consume enough vitamin C from foods like citrus fruits, berries, peppers, potatoes, and leafy greens. Treatment involves supplementing the diet with vitamin C to reverse the symptoms.
Scurvy Disease
This document summarizes information about scurvy, a disease caused by vitamin C deficiency. It discusses vitamin C's functions, food sources, signs and symptoms of scurvy including bleeding gums and corkscrew hairs, and how scurvy can be treated by taking vitamin C supplements. The document also mentions that British sailors in the 1700s were cured of scurvy by eating oranges and lemons, though vitamin C was not isolated until the 1930s.
Vitamin C deficiency
Vitamin C plays important roles in the body including in collagen formation, wound healing, and immune function. A deficiency in vitamin C can lead to scurvy, which causes symptoms like bleeding gums, bruising, and poor wound healing. Scurvy develops when vitamin C levels in the body drop below a critical point, which can occur within 1-3 months if dietary intake is lacking. Several groups are at higher risk for vitamin C deficiency, including smokers, pregnant women, and those with digestive disorders that impact absorption. Treatment involves taking supplemental vitamin C orally to restore levels.
Scurvy
Scurvy is a disease caused by vitamin C deficiency. It results from several weeks or months without vitamin C in the diet. Symptoms include bleeding gums, loose teeth, and skin hemorrhages. Treatment involves consuming vitamin C through foods like oranges and broccoli or supplements. Scurvy was historically common in sailors who lacked fresh fruits and vegetables for long periods at sea.
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 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.
Scurvy
Scurvy is a disease caused by a lack of vitamin C, which was common among sailors and pirates on long sea voyages when fresh fruits and vegetables could not be stored. The symptoms of scurvy include fatigue, shortness of breath, bone pain, skin issues, gum disease, loose teeth, poor wound healing and emotional changes. Scurvy is not infectious or spread by vectors, and can be treated by taking vitamin C or prevented by eating foods containing vitamin C.
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 D Deficiency, by Dr. Mihir Adhikari
Vitamin D deficiency can cause rickets in children and osteomalacia in adults. It is caused by lack of vitamin D from diet and sun exposure. The body synthesizes the inactive form cholecalciferol from cholesterol in skin upon sun exposure and the active form calcitriol is produced in the kidneys. Vitamin D plays a key role in calcium absorption and bone mineralization. Deficiency is highly prevalent in India due to low dietary intake and sun exposure. It is associated with many systemic disorders including musculoskeletal, autoimmune, cardiovascular and infectious diseases.
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.
VITAMIN D
1. Vitamin D3 is synthesized in the skin by exposure to sunlight and is converted to calcitriol, the biologically active form, in the kidney.
2. Calcitriol acts on the intestine, bone, and kidney to regulate calcium levels by increasing calcium absorption from the intestine, mobilizing calcium from bone, and enhancing calcium reabsorption in the kidney.
3. Vitamin D deficiency causes rickets in children, characterized by bone deformities and softening, and osteomalacia in adults, characterized by demineralization of bones.
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 K
Vitamin K exists in three forms - K1, K2, and K3. It is required for blood clotting by facilitating the carboxylation of clotting factors in the liver. Vitamin K deficiency can result in bleeding issues like hemorrhagic disease of the newborn. While vitamin K supports blood clotting, drugs like warfarin are used as oral anticoagulants by inhibiting the action of vitamin K.
Scurvy Presentation
Scurvy is a condition caused by a lack of vitamin C in the diet, which was common among sailors deprived of fresh foods. Symptoms include discomfort, tiredness, joint pain, swollen gums, and wounds healing slowly. The only cause is a diet lacking in vitamin C, and stress increases vitamin C utilization. Oranges, limes, and other citrus fruits are high in vitamin C to treat and prevent scurvy.
Calcium metabolism
The document discusses calcium metabolism. It states that 99% of calcium in the body is found in bones. Dietary sources of calcium include milk, cheese, fish and vegetables. The daily calcium requirement is 500mg for adults, 1200mg for children, and 1300mg for pregnant/lactating individuals. Calcium is absorbed in the duodenum and regulated by parathyroid hormone, vitamin D, and calcitonin. Disorders of calcium metabolism include hypercalcemia, hypocalcemia, hyperparathyroidism, and hypoparathyroidism.
Vitamin D : A Comprehensive Presentation
This document discusses vitamin D, including its functions, sources, daily requirements, deficiency, toxicity, and management. Some key points:
- Vitamin D promotes calcium absorption and is important for bone health. Deficiency can cause rickets in children and osteomalacia in adults.
- Good dietary sources include fatty fish, fish liver oils, eggs, and dairy. Sun exposure also enables vitamin D production.
- Recommended daily intake is 10-20 micrograms for adults. Deficiency is managed with high dose vitamin D supplementation. Toxicity risks include excessive intake.
Vitamin c deficiency disorders
The document discusses vitamin C deficiency (scurvy) and its associated disorders. It provides information on the functions, sources, recommended dietary allowances and symptoms of vitamin C deficiency. Key points include:
- Vitamin C is an essential water-soluble antioxidant vitamin that acts as an electron donor and is important for collagen synthesis, iron absorption and immune function.
- Good dietary sources include citrus fruits, berries, peppers and potatoes. Cooking can destroy up to 70% of vitamin C.
- Symptoms of deficiency include bleeding gums, bruising, fatigue and bone pain. Long term deficiency can lead to hemorrhaging, poor wound healing and bone fractures. Infants may develop irritability and difficulty
Jordan dougherty; scurvy
Scurvy is a disease caused by a lack of vitamin C in the diet. It was historically common among sailors and pirates who went long periods without fresh fruits and vegetables. Symptoms of scurvy include bleeding gums, bruising easily, and fatigue. Anyone can develop scurvy if they do not consume enough vitamin C-rich foods. May 2nd is recognized as Scurvy Prevention Day to promote consuming citrus fruits and other foods high in vitamin C.
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.
Calcium
Calcium is essential for many physiological processes in the body. It makes up 1-1.5% of total body weight, with 99% located in bones and teeth. Dietary sources include dairy products, eggs, fish, and leafy greens. The recommended daily intake is 500 mg for adults and 1200 mg for children. Calcium is absorbed in the duodenum and jejunum through an active transport process requiring energy and carrier proteins. Homeostasis is maintained by calcitriol, parathyroid hormone, and calcitonin which regulate absorption from the intestine and resorption from bones. Imbalances can cause hypercalcemia with symptoms like confusion and arrhythmias, or hypocalcemia/
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.
Calcium metabolism
This document provides an overview of calcium metabolism. It discusses the regulatory mechanisms that control calcium levels in the blood and bones. The key hormones involved - parathyroid hormone (PTH), calcitonin, and vitamin D - and how they work to increase or decrease blood calcium levels by affecting absorption in the gut and resorption/deposition in bones. It also covers calcium storage in bones, excretion by the kidneys, interactions with other minerals, and disorders that can arise from issues with calcium regulation.
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 d
Vitamin D is important for calcium absorption and bone mineralization. It is synthesized in the skin upon exposure to sunlight and is also obtained in smaller amounts from dietary sources. Vitamin D is metabolized in the liver to 25-hydroxyvitamin D and then in the kidneys to its active form, 1,25-dihydroxyvitamin D. This active form works with parathyroid hormone to increase intestinal calcium absorption and renal calcium reabsorption, maintaining normal blood calcium levels and promoting bone mineralization. Deficiencies can lead to rickets in children, causing skeletal deformities, and osteomalacia in adults, weakening bones.
Scurvy
- Scurvy is a disease caused by vitamin C deficiency that results from a lack of vitamin C in the diet for several weeks. It impairs collagen formation and causes hemorrhaging in tissues.
- Symptoms include bleeding gums, loose teeth, bruising of the skin, and bone fractures. In infants, scurvy can cause pseudoparalysis and swelling over bones from subperiosteal hemorrhaging.
- Diagnosis is based on low vitamin C blood levels and x-ray findings of bone changes like the white line of Fraenkel. Treatment involves vitamin C supplementation in doses of at least 200mg daily until recovery is complete.
Calcium
Calcium is the most abundant mineral in the body and is primarily stored in bones and teeth. It performs many important biochemical functions including bone and teeth formation, muscle contraction, blood coagulation, and nerve transmission. Calcium levels are regulated by parathyroid hormone, vitamin D, and calcitonin. These hormones work to maintain calcium homeostasis by impacting absorption in the intestine and kidneys and mobilization from bones.
Vitamin C
Vitamin C plays an important role as an antioxidant in the human body, acting as an electron donor for eight enzymes. National agencies recommend daily vitamin C intake of 40-95 milligrams, though larger doses may cause side effects like indigestion and diarrhea. Vitamin C is found naturally in citrus fruits and is widely available as a dietary supplement in various forms.
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This document discusses vitamins and their roles and functions. It begins by defining a vitamin as an organic compound needed in small amounts for normal bodily processes that cannot be synthesized in the body. Vitamins are classified as either fat-soluble or water-soluble. The document then provides details on specific vitamins including Vitamin A, the B vitamins, Vitamin C, and Vitamin D. For each vitamin, the document outlines its biochemical functions, dietary sources, deficiency symptoms, recommended daily allowances, and other relevant information.
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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 D Deficiency, by Dr. Mihir Adhikari
Vitamin D deficiency can cause rickets in children and osteomalacia in adults. It is caused by lack of vitamin D from diet and sun exposure. The body synthesizes the inactive form cholecalciferol from cholesterol in skin upon sun exposure and the active form calcitriol is produced in the kidneys. Vitamin D plays a key role in calcium absorption and bone mineralization. Deficiency is highly prevalent in India due to low dietary intake and sun exposure. It is associated with many systemic disorders including musculoskeletal, autoimmune, cardiovascular and infectious diseases.
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.
VITAMIN D
1. Vitamin D3 is synthesized in the skin by exposure to sunlight and is converted to calcitriol, the biologically active form, in the kidney.
2. Calcitriol acts on the intestine, bone, and kidney to regulate calcium levels by increasing calcium absorption from the intestine, mobilizing calcium from bone, and enhancing calcium reabsorption in the kidney.
3. Vitamin D deficiency causes rickets in children, characterized by bone deformities and softening, and osteomalacia in adults, characterized by demineralization of bones.
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 K
Vitamin K exists in three forms - K1, K2, and K3. It is required for blood clotting by facilitating the carboxylation of clotting factors in the liver. Vitamin K deficiency can result in bleeding issues like hemorrhagic disease of the newborn. While vitamin K supports blood clotting, drugs like warfarin are used as oral anticoagulants by inhibiting the action of vitamin K.
Scurvy Presentation
Scurvy is a condition caused by a lack of vitamin C in the diet, which was common among sailors deprived of fresh foods. Symptoms include discomfort, tiredness, joint pain, swollen gums, and wounds healing slowly. The only cause is a diet lacking in vitamin C, and stress increases vitamin C utilization. Oranges, limes, and other citrus fruits are high in vitamin C to treat and prevent scurvy.
Calcium metabolism
The document discusses calcium metabolism. It states that 99% of calcium in the body is found in bones. Dietary sources of calcium include milk, cheese, fish and vegetables. The daily calcium requirement is 500mg for adults, 1200mg for children, and 1300mg for pregnant/lactating individuals. Calcium is absorbed in the duodenum and regulated by parathyroid hormone, vitamin D, and calcitonin. Disorders of calcium metabolism include hypercalcemia, hypocalcemia, hyperparathyroidism, and hypoparathyroidism.
Vitamin D : A Comprehensive Presentation
This document discusses vitamin D, including its functions, sources, daily requirements, deficiency, toxicity, and management. Some key points:
- Vitamin D promotes calcium absorption and is important for bone health. Deficiency can cause rickets in children and osteomalacia in adults.
- Good dietary sources include fatty fish, fish liver oils, eggs, and dairy. Sun exposure also enables vitamin D production.
- Recommended daily intake is 10-20 micrograms for adults. Deficiency is managed with high dose vitamin D supplementation. Toxicity risks include excessive intake.
Vitamin c deficiency disorders
The document discusses vitamin C deficiency (scurvy) and its associated disorders. It provides information on the functions, sources, recommended dietary allowances and symptoms of vitamin C deficiency. Key points include:
- Vitamin C is an essential water-soluble antioxidant vitamin that acts as an electron donor and is important for collagen synthesis, iron absorption and immune function.
- Good dietary sources include citrus fruits, berries, peppers and potatoes. Cooking can destroy up to 70% of vitamin C.
- Symptoms of deficiency include bleeding gums, bruising, fatigue and bone pain. Long term deficiency can lead to hemorrhaging, poor wound healing and bone fractures. Infants may develop irritability and difficulty
Jordan dougherty; scurvy
Scurvy is a disease caused by a lack of vitamin C in the diet. It was historically common among sailors and pirates who went long periods without fresh fruits and vegetables. Symptoms of scurvy include bleeding gums, bruising easily, and fatigue. Anyone can develop scurvy if they do not consume enough vitamin C-rich foods. May 2nd is recognized as Scurvy Prevention Day to promote consuming citrus fruits and other foods high in vitamin C.
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.
Calcium
Calcium is essential for many physiological processes in the body. It makes up 1-1.5% of total body weight, with 99% located in bones and teeth. Dietary sources include dairy products, eggs, fish, and leafy greens. The recommended daily intake is 500 mg for adults and 1200 mg for children. Calcium is absorbed in the duodenum and jejunum through an active transport process requiring energy and carrier proteins. Homeostasis is maintained by calcitriol, parathyroid hormone, and calcitonin which regulate absorption from the intestine and resorption from bones. Imbalances can cause hypercalcemia with symptoms like confusion and arrhythmias, or hypocalcemia/
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.
Calcium metabolism
This document provides an overview of calcium metabolism. It discusses the regulatory mechanisms that control calcium levels in the blood and bones. The key hormones involved - parathyroid hormone (PTH), calcitonin, and vitamin D - and how they work to increase or decrease blood calcium levels by affecting absorption in the gut and resorption/deposition in bones. It also covers calcium storage in bones, excretion by the kidneys, interactions with other minerals, and disorders that can arise from issues with calcium regulation.
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 d
Vitamin D is important for calcium absorption and bone mineralization. It is synthesized in the skin upon exposure to sunlight and is also obtained in smaller amounts from dietary sources. Vitamin D is metabolized in the liver to 25-hydroxyvitamin D and then in the kidneys to its active form, 1,25-dihydroxyvitamin D. This active form works with parathyroid hormone to increase intestinal calcium absorption and renal calcium reabsorption, maintaining normal blood calcium levels and promoting bone mineralization. Deficiencies can lead to rickets in children, causing skeletal deformities, and osteomalacia in adults, weakening bones.
Scurvy
- Scurvy is a disease caused by vitamin C deficiency that results from a lack of vitamin C in the diet for several weeks. It impairs collagen formation and causes hemorrhaging in tissues.
- Symptoms include bleeding gums, loose teeth, bruising of the skin, and bone fractures. In infants, scurvy can cause pseudoparalysis and swelling over bones from subperiosteal hemorrhaging.
- Diagnosis is based on low vitamin C blood levels and x-ray findings of bone changes like the white line of Fraenkel. Treatment involves vitamin C supplementation in doses of at least 200mg daily until recovery is complete.
Calcium
Calcium is the most abundant mineral in the body and is primarily stored in bones and teeth. It performs many important biochemical functions including bone and teeth formation, muscle contraction, blood coagulation, and nerve transmission. Calcium levels are regulated by parathyroid hormone, vitamin D, and calcitonin. These hormones work to maintain calcium homeostasis by impacting absorption in the intestine and kidneys and mobilization from bones.
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Vitamin C
Vitamin C plays an important role as an antioxidant in the human body, acting as an electron donor for eight enzymes. National agencies recommend daily vitamin C intake of 40-95 milligrams, though larger doses may cause side effects like indigestion and diarrhea. Vitamin C is found naturally in citrus fruits and is widely available as a dietary supplement in various forms.
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This document discusses vitamins and their roles and functions. It begins by defining a vitamin as an organic compound needed in small amounts for normal bodily processes that cannot be synthesized in the body. Vitamins are classified as either fat-soluble or water-soluble. The document then provides details on specific vitamins including Vitamin A, the B vitamins, Vitamin C, and Vitamin D. For each vitamin, the document outlines its biochemical functions, dietary sources, deficiency symptoms, recommended daily allowances, and other relevant information.
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- Vitamin C deficiency, also known as scurvy, was historically common among sailors until James Lind discovered that oranges and lemons could cure scurvy in 1757.
- Studies in India have found vitamin C deficiency rates between 1-59% depending on the population, with those living in poverty or with digestive disorders at highest risk.
- Symptoms of scurvy include bleeding gums, bruising, and bone pain. It is diagnosed through blood tests and treated with vitamin C supplementation.
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Vitamin C is an essential nutrient that helps form collagen, aids in iron absorption, and acts as an antioxidant. Good sources include citrus fruits, berries, bell peppers, broccoli, and potatoes. A deficiency can cause scurvy, bleeding gums, slow wound healing, and increased risk of infections. Symptoms are usually resolved by increasing vitamin C intake through foods or supplements.
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Vitamin C is an essential water-soluble vitamin that acts as an antioxidant. A deficiency can lead to scurvy, which causes symptoms like sore and bleeding gums. Good dietary sources include citrus fruits, bell peppers, and tomatoes. To treat a deficiency, high doses of vitamin C supplements are needed along with a diet high in fruits and vegetables to meet recommended daily amounts.
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Scurvy is a disease caused by vitamin C deficiency which can lead to bleeding gums, joint pain, and fatigue. It was historically common among sailors on long voyages with limited access to fresh fruits and vegetables. Modern cases are rare where diets include foods like oranges, broccoli and potatoes that are rich in vitamin C. Scurvy symptoms result from a lack of vitamin C needed to produce collagen and support immune function. Treatment involves vitamin C supplementation which can relieve symptoms within 24 hours and result in full recovery within 3 months if the deficiency is addressed.
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The document discusses vitamin C deficiency (scurvy) and its associated disorders. It provides information on the functions, sources, recommended dietary allowances and symptoms of vitamin C deficiency. Key points include:
- Vitamin C is an essential water-soluble antioxidant vitamin that helps form collagen and supports immune function. Deficiency can cause bleeding gums and fragile blood vessels.
- Good dietary sources include citrus fruits, berries, peppers and leafy greens. Cooking can destroy up to 70% of vitamin C.
- Symptoms of deficiency include fatigue, joint pain and hemorrhaging of the skin and mucus membranes. Long term deficiency can lead to bone fractures and poor wound healing. Infants are at
Scurvy Case Study
- A 4-year-old boy presented with hematuria, edema, bleeding gums, tooth loss, paleness, and signs of malnutrition. Blood tests revealed low vitamin C and iron levels and low red blood cell count. A skin biopsy showed increased hemosiderin deposits near hair follicles.
- The boy came from a low-income family that subsisted on a sparse diet of hard biscuits and milk.
- Based on the visual signs, history, and test results, the boy was diagnosed with scurvy, which is caused by a vitamin C deficiency and results in a failure to synthesize collagen. Intravenous vitamin C treatment was started and full recovery was expected within two weeks.
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.
Vitamins
Vitamins are organic compounds that are required in small amounts for various metabolic processes in the body. They are classified as either fat-soluble or water-soluble. Vitamin A supports vision, growth, immunity, and skin health. Vitamin D aids in calcium absorption and bone growth. Vitamin E acts as an antioxidant and protects cell membranes. Vitamin K is essential for blood clotting. Vitamin C is an antioxidant and supports wound healing and collagen production. The B vitamins function as coenzymes in energy production from carbohydrates, fats, and proteins. Deficiencies of various vitamins can lead to conditions like scurvy, beriberi, rickets, and pellagra
Vitamins ii
Vitamins and minerals are essential nutrients that must be obtained through diet. This document discusses various vitamins and minerals, their functions, dietary sources, deficiency and toxicity symptoms. It describes that vitamin deficiencies can cause diseases like scurvy, beriberi, rickets and pellagra. Deficiencies in minerals like iron, iodine and zinc can also impact growth, development and health. Maintaining adequate intake of vitamins and minerals through a balanced diet is important for overall well-being.
Scurvy2
Scurvy is a disease caused by a vitamin C deficiency which prevents the body from producing collagen. Symptoms include spots and bleeding in the skin and gums, pale appearance, depression, and immobilization. Advanced scurvy causes open, infected wounds and tooth loss. Scurvy can be prevented by consuming citrus fruits like oranges and lemons, or other foods containing vitamin C such as berries, peppers, and vegetables. Treatment involves taking vitamin C supplements.
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Vitamin-C deficiency disease Scurvy.
- 1. VITAMIN-C DEFICIENCY DISEASE PRESENTED BY- TAJUDDIN MONDAL FOOD AND NUTRITION (WBSU)
- 2. The chemical name for Vitamin-C is Ascorbic acid, which is known as Hexuronic acid . It is soluble in water and alcohol and practically in chloroform. Ascorbic acid is a simple compound containing six carbon atoms, related to monosaccharide glucose.
- 3. Vitamin-C is found in many different fruits and vegetables, including:- ●Citrus fruits such as orange, kiwi, lemon, guava, grape etc. ●Vegetables such as broccoli, cauliflower, spinach, coriander leaf, capsicums are rich and natural sources of vitamin-c. ●Amla is the richest source of vitamin-C. ●Other vitamin-c rich fruits include- papaya, strawberries', ripe mango, banana, apple etc.
- 5. • Disease result from severe vitamin-c deficiency: •Scurvy • Cardiovascular disease • Cataracts • Lead toxicity
- 6. ● Scurvy is a nutritional deficiency disease which results from prolonged subsistence on diets practically devoid of fresh fruits and vegetables. • It was first recorded scientifically in sailors. ● Lack of Vitamin-C causes a disturbance in the connective tissue formation ,leading to swollen, spongy bleeding gums and haemorrhage. • In 1747, the British Physician Lind demonstrated that oranges and lemons could cure scurvy.
- 7. Scurvy is a serious problem in underdeveloped countries, in international refugee camps and in populations that subsist mainly on cereal grains. The incidence of scurvy in children aged 6-12 months who are fed a diet deficient in citrus fruits or vegetables as well as in elderly people. In India ,the incidence of vitamin-C deficient people over 60 years of age is extremely high, with 74 percent in the northern and 46 percent in the southern part in India.
- 8. • The main cause is an insufficient intake of vitamin-C or Ascorbic acid. A deficiency may result from - A poor diet lacking in fresh fruits and vegetables , possibly due to low income or famine. Faulty cooking methods can also bring down Vitamin-C concentration of diet. Excessive consumption of alcohol or use of illegal drugs. Phytate and Oxalate and other such fibre like foods can prevent Vitamin- C absorption which can lead to Scurvy
- 9. Subclinical scurvy- ●Weakness ●Muscle cramp ●Joint and muscular pain ●Shortness of breath Clinical scurvy- ●Swollen gums ●Defective formation of the teeth ●Anaemia ●Haemorrhage under the skin Infantile scurvy- ●Gingivitis ●Frog-leg ●Defective bone growth ●Failure to gain weight
- 10. Impaired Collagen synthesis Collagen precursor molecule No Vitamin-C present Collagen is not hydroxylated Triple helix is not formed Weak connective tissue
- 11. Lack of Vitamin-C Bone resorption Taking away calcium from bones Osteoporosis REDUCED OSTEOID FORMATION
- 12. Physical examination Medical history Detailed questions about dietary habits Blood test to check Vitamin-C and iron levels X-rays of joints including the knee, wrist , and ribs.
- 13. Scurvy is easily prevented by eating foods rich in Vitamin-C such as Orange, lemon, tomato, amla, strawberries and other green leafy vegetables. Oral Vitamin-C supplements are also widely available and the vitamin is included in most multivitamins. For severe, chronic, case of scurvy , a doctor may recommended high dose of oral Vitamin –C supplements for several weeks to month. The recommended dose is :- 1-2 gm/day for 2 to 3 days. 500 mg/day for next 7 days. 100mg/day for 1 to 3 months.