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Name: Vitamin A
Relative Name: Retinol
CAS No.: 68-26-8
Assay: 95%,98%
Quality Standards: USP30
Characteristic: Light yellow to light red to brown powder.
Formulation: Soluble in water, ethanol, can be emulsified in water. , Insoluble in vegetable oils, mineral oils and fats.
Introduction
Vitamin A, chemical name as retinol, is the earliest vitamin being discovered. There are two types of Vitamin A: one is retinol which is the initial form of VA, it only exists in animals; another one is carotene. Retinol can be composited by β-carotene coming from plants. Inside the body, under the catalysis of β-carotene-15 and 15′-double oxogenase, β-carotene is transformed into ratinal which is returned to retinol by the performance of ratinal reductase. Thusβ-carotene is also called as vitamin precursor