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VITAMIN C: SOURCES, FUNCTIONS AND INTAKES

March 15, 2018 By DIYBITES

VITAMIN C IN FOODS

Most animals are able to synthesize vitamin C and so, do not require a dietary source. However, humans, other primates, guinea pigs, fruit bats, and a few birds and fish are unable to synthesize this water-soluble vitamin. They rely on their diets for a vitamin C source.
Vitamin C, also known as ascorbic acid, is involved in many processes in the human body, primarily as an electron donor. The term vitamin C actually refers not only to ascorbic acid but also to its oxidized form, dehydroascorbic acid. By adding or losing 2 hydrogens vitamin C undergoes reversible reduction and oxidetion. Both forms of vitamin C are found in the foods we eat.
Most fruits and vegetables contain some vitamin C, but the richtest sources are citrus fruits, peppers, and green vegetables. Animal products and grains are generally not good sources. An intake of 5 serving per day of fruits and vegetables can provide ample vitamin C, depending on the foods chosen….

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Filed Under: micronutrients, nutrients, nutrition, Uncategorized, vitamins Tagged With: deficiency, functions, learning, needs, nutrients, nutrition, vitamin, vitaminc, vitamins

VITAMIN B-12: SOURCES, NEEDS, FUNCTIONS & DEFICIENCY

February 25, 2017 By DIYBITES

VITAMIN B-12 IN FOOD

Vitamin B-12, also knows as cobalamin, is unique among the vitamins on 2 accounts. First, food of animal origin, such as meat, poultry, fish, and dairy products, are the only reliable sources of vitamin B-12. Second, it is the only vitamin that contains a mineral (cobalt) as part of its structure.

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Filed Under: micronutrients, nutrients, nutrition, vitamins Tagged With: b-12, deficiency, functions, intake, needs, vitamin

VITAMIN K: SOURCES, NEEDS, AND FUNCTIONS

February 15, 2017 By DIYBITES

VITAMIN K SOURCES

About 10 % of the vitamin K absorbed each day comes from bacterial synthesis in the colon. The remainder comes from dietary sources. Although the vitamin K contents of individual foods varies, green leafy vegetables (e.g., kale, turnip greens, parsley, salad greens, cabbage, and spinach),…

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Filed Under: micronutrients, nutrients, nutrition, Uncategorized, vitamins Tagged With: deficiency, function, intake, k, micronutrients, needs, nutrition, toxicity, vitamin

CHOLINE: SOURCES, NEEDS, FUNCTIONS & DEFICIENCY

December 15, 2016 By DIYBITES

For many years, choline often was included in supplements as a “supposed” B-vitamin, but most nutrition experts claimed that choline was not a vitamin at all because liver synthesis could meet the requirements for choline. However, recent research demonstrates that humans consuming choline-deficient diets develop liver and kidney problems. …

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Filed Under: micronutrients, nutrients, nutrition, Uncategorized, vitamins Tagged With: choline, deficiency, functions, needs, sources, vitamin

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I'm Alex. Registered dietitian nutritionist, recipe developer, certified health & life coach, architecture and design enthusiast & animal snuggler. Here you'll find healthy & amazingly tasty food for various types of diets, and helpful nutrition info. Thanks for stoppin' by! Read More…

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