| Message: | Name: vitamin A
CAS No. :11103-57-4
Packaging: 25kg cardboard drum
Specifications Model: 99%
Product Description: vitamin A (vitaminA)
The functions of the vitamin A:
Maintain normal visual response. Maintain normal morphology and function of epithelial tissue. Maintain normal bone development. Maintenance of skin cells function
The role, make the skin soft and delicate, wrinkle-wrinkle efficacy. The lack of vitamin A causes the epithelial cell dysfunction, resulting in skin elasticity
Drop, dry, rough and dull.
[Edit this paragraph] vitamin A physiological functions
Vitamin A is a complex organism necessary nutrients, affects almost all tissues of the body in different ways. Despite being one of the earliest hair
Vitamin now, but has not been made about its physiological function fully opened. The purpose of the current knowledge, vitamin A (beta-carotene), the most important physiological functions, including:
1. Maintain visual
Vrhodopsin quality when exposed to light
Retinaldehyde, because of the conformational changes, causing the stimulating effect on the optic nerve, triggering visual. Rhodopsin when exposed to light, unstable, rapidly decomposed into
Opsin and all-trans retinol, and re-start the whole cycle. Vitamin A can debug eyes adapt to the intensity of light, the ability of the outside world, in order to reduce night blindness
The occurrence of disease and vision loss, and maintain normal visual responses contribute to the treatment of a variety of eye diseases (such as dry eye and conjunctivitis, etc.). Vitamin A in the eye
The force was first discovered, is also understood the most features.
2 to promote growth and development
Role in gene regulation. Retinol and retinol equivalent steroid hormones, can promote the synthesis of glycoproteins. Promote the growth, development
Stronger bones, maintenance of hair, teeth and gums healthy.
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