Pharmacognosy - medicinal plants (herbs)

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Theme XIII: Vitamins

Vitamin B3

Vitamin B3. Description, chemical formula, role and characteristics.

Vitamin B3 or Nicotinamide

This vitamin from the B complex is the amide of nicotinic acid or niacin, which is involved in the release of energy from nutrients. Is also known as vitamin PP.

The deficiency disease is pellagra.

The main sources of vitamin B3 are liver, meat, canned tuna and salmon, whole or enriched cereals, legumes and nuts.

Vitamin B3 can be synthesized in the body as from the amino acid tryptophan. In large quantities reduces cholesterol levels in the blood, and has been used in the prevention and treatment of arteriosclerosis.

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Other B Vitamins

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