The role of vitamin b3
Pantothenic acid is a coenzyme of coenzyme a. Coenzyme a is a complex molecule combining pantothenate with adenosine 3-phosphate, pyrophosphoric acid, and α-indole ethylamine. Therefore, the role of coenzyme a is the physiological function of pantothenic acid.
(1) fatty acid synthesis, coenzyme a in the small intestine wall and acetic acid to generate acetyl-CoA, through the catalytic conversion of biotin to malonyl-CoA, and then with another activated fatty acid to generate long-chain fatty acids;
(2) Fatty acid degradation, metabolic processes involved in fatty acid degradation and release a large amount of energy;
(3) Citric acid cycle, in which pantothenic acid is involved in the synthesis of citric acid from butanoic acid and its salts, and the decarboxylation of a-keto acid;
(4) Choline acetylation, acetyl-CoA delivers acetyl to choline to acetylcholine - a nerve impulse conduction substance;
(5) antibody synthesis, pantothenic acid can promote the synthesis of antibodies that are resistant to pathogens;
(6) The use of nutrients, due to the function of coenzyme a, the presence of pantothenic acid is beneficial to the absorption and utilization of various nutrients. It can maintain skin health and maintain blood circulation, helping the normal operation of the nervous system.
Deficiency of vitamin b3
There is very little evidence that the body lacks pantothenic acid because it is widely found in general foods, but there are some examples of it that cause headaches, vomiting, muscle soreness, inadequate adrenal function and diminished hair, whitening hair, and full skin. Wrinkles, fatigue, fainting, etc.
The main source of vitamin b3
Widely distributed in animal foods, liver, yeast, egg yolks, beans in large quantities, fruits and vegetables in the amount is less.
(milligrams of pantothenic acid per 100 grams of food):
Carp - 660 ~ 1100, Shiitake - 1700, Whole Wheat - 1300, Malt - 2000, Pork - 470 ~ 1500, Cereal - 1800, Egg - 2700, Dry Green Bean - 600 ~ 1040, Beef - 1100, Peanut - 2500, Lamb - 600, orange-340, chicken-530-900, oyster-490, beef heart-2000, cauliflower-920, bovine brain-1800, soybean flour-1800, beef liver-5200, wheat bran-2400.
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