First，Vitamin A , also known as retinol (its aldehyde derivative retinal), is an unsaturated monohydric alcohol with an ester ring.
Second,Vitamin A includes vitamin A1 and A2. Vitamin A1 and A2 are structurally similar) Retinol can be synthesized from plant-derived β-carotene.
Under the catalysis of β-carotene-15,15′-dioxygenase (dioxygenase) in Chemicalbook, β-carotene can be converted to β-carotene.
As a nutritional fortifier, it is used in meat foods, dairy products, fermented foods, pasta foods, various beverages, candies, flavored foods, etc.
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