Fundamentos de Nutrição
Vitamins Vitamins do not supply the body with energy in the form of calories- afact that distinguishes them from fat, carbohydrate, and protein. However, many vitamins regulate thechemical reactions that allow us to obtain energy from those nutrients. Vitamins differ from fat, protein,and carbohydrate in other important ways. For one, the amounts of vitamins a body needs daily-a meremicrogram or in some cases-are infinitesimal compared to the grams of fat, carbohydrate, and protein requiredeach day. Another difference is structural: vitamins are individual units rather than long chains ofsmaller units. Like fat, carbohydrate, and proteins, however, vitamins are organic (carbon-containing)compounds essential for normal functioning, growth, and maintenance of the body. Aula 5

Fundamentos deNutrição
Vitamins Vitamins A, D, E, and K are lipid-like molecules that are soluble in fat. The B vitaminsand Vitamin C, on the other hand, are soluble in water. This difference in solubility affects the way the [continua]

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