Vitamin A
Vitamin A, CAS No. is 127-47-9, is a fat-soluble vitamin that is stable to heat, acid, and alkali and is easily oxidized. Ultraviolet rays can promote its oxidative damage. Therefore, it will be processed to increase its stability, and the usually used method is esterification. Organic acids that esterify vitamin A are commonly used: vitamin A acetate, vitamin A propionate and vitamin A palmitate.
Applications:
Vitamin A has functions such as promoting growth, maintaining bones, inhibiting hair loss, restoring the immune system, preventing night blindness and vision loss, etc. It is an important vitamin for the human body. Therefore, vitamin A is often used to make medicines. Vitamin A can also be added to health products and foods as nutritional supplements.
Among the applications of vitamin A, the feed industry accounts for 80%. The use of vitamin A feed grade can improve animal reproductive capacity, promote livestock growth, and improve the body's immunity. When lacking, growth retardation, reduced dark adaptation ability, and night blindness occur. In addition, vitamin A can also be applied to the cosmetics industry.
Specification:
| Items | Standard |
| Identification | Positive |
| Appearance | Brownish Granular |
| Content (A) | 500,000~575,000IU/G |
| Loss on Drying | ≤5% |
| Granularity | 100% Through 20# Seive |
| Mobility | Inclination≤42° |
| Pb | ≤10mg/kg |
| As | ≤2mg/kg |
