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FOLATE: SOURCES, FUNCTIONS AND INTAKES

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The name of the B-vitamin folate comes from the Latin word folium, meaning “leaf”. It was given this name because leafy green vegetables are excellent sources. Folate is the generic name, referring to the various forms of the vitamin found naturally in foods. The term folic acid refers to the synthetic form of the vitamin found in supplements and fortified foods.

FOLATE IN FOODS

The biological availability of folate in food from a mixed diet is generally thought to be about 50% if folic acid, but it may be loser to 80%.
Foods that have the largest amount and most bioavailable folate are…

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

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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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VITAMIN K: SOURCES, NEEDS, AND FUNCTIONS

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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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VITAMIN E: SOURCES, FUNCTIONS AND INTAKES

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VITAMIN E IN FOODS

Good food sources of Vitamin E include plant oils (e.g., cottonseed, canola, safflower, and sunflower oils), wheat germ, asparagus, almonds, peanuts, and sunflower seeds. Animal fats and dairy products contain little vitamin E….

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CARBOHYDRATES: WHAT ARE THEY, FUNCTIONS, AND INTAKES

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About Carbohydrates diybites

What are carbohydrates?

The carbohydrate group includes sugar, starch, and fiber. Most forms of carbohydrates are composed of carbon, hydrogen, and oxygen. Plants are the main source of carbohydrates. During photosynthesis, plants produce glucose by using carbon and oxygen from carbon dioxide in the air, hydrogen from the water, and energy from the sun. Plant either store the glucose or transform it into starch, fiber, fat, or protein….

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