vitamin (nicotinic acid) plays a versatile role in a human body, taking part in various biochemical reactions.
The role of nicotinic acid in maintenance of level of cholesterol in blood and regulation of motor function of a stomach is big. It has active impact on a functional condition of the central nervous system, promotes the best absorption and digestion of nutrients; expands gleams of capillaries and small blood vessels; increases acidity of gastric juice, regulates motor function of a stomach; has positive impact on the main functions of a liver.
PP vitamin is among the steadiest – well transfers action of high temperature, oxygen of air and light; perfectly remains in products at their storage, conservation and culinary processing.
Nevertheless in certain cases the human body feels its shortcoming. It is result of inability to correctly make the diet and a diet. Besides, decrease in content in body tissues of PP vitamin can be caused by violation of a rational ratio of the main components of food as at a lack of food of proteins PP vitamin is acquired slightly.
At hypovitaminosis of PP vitamin the digestion of food worsens, there are the general weakness, fast fatigue, absent-mindedness, memory loss is noted.
At consumption of the food containing insufficient amount of this vitamin at the person the serious illness – a pellagra develops.
One of the most important measures of providing an organism with PP vitamin is the correct selection of products – carriers of this vitamin – by drawing up a food allowance.
Meat products, herring, buckwheat and peas, rice and wheat bran, beer yeast, tomatoes are rich with PP vitamin.