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Learn - Tuesday 03, 2020
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"Vitamin A Acetate" and "Vitamin A Palmitate" are both vitamin A additives and are mostly used in feed and cosmetics.
The pure compound of vitamin A is retinol, which is easily destroyed. Therefore, some chemical treatment processes increase its stability.
The first process is to esterify it first. "Esterification" is conducive to the stability of vitamin A additives. The organic acids used to esterify vitamin A are acetic acid, propionic acid and palmitic acid. Therefore, there are different vitamin A additives such as vitamin A acetate and vitamin A palmitate.
Vitamin A Palmitate Oil
The activity of vitamin A is expressed in "International Units (IU)". Because of the different molecular weights of organic acids used in esterification, the corresponding weight of an international unit is also different. Vitamin A additives are mostly made of vitamin A acetate, and vitamin A palmitate is also used more frequently. When purchasing and applying vitamin A additives, it is necessary to know how many international units there are per gram. The number of international units indicates the number of active ingredients.
The melting point of "vitamin A acetate" is 57.3-58.4°C, and the melting point of vitamin A palmitate is 27.8-28.9°C. Both ultraviolet rays and oxygen can promote the decomposition of vitamin A acetate and vitamin A palmitate.
Vitamin A is a fat-soluble alcohol substance, that is, it is insoluble in water. Vitamin A is relatively easy to be destroyed even after esterification. Therefore, it is further made into fine particles through microencapsulation technology, adsorption method, emulsification process, etc., which can be dispersed in water and mixed in drinking water when used as feed.
Vitamin A additives have different particle sizes due to different process conditions. Although foreign countries stipulate that it is generally between 0.1 and 1.0 mm, in fact it is mostly between 0.177 and 0.590 mm. Vitamin A additives that can be dispersed in water have a smaller particle size and the maximum size should not exceed 0.35 mm.
Our company is still Vitamin A Palmitate Oil on sale, welcome to contact us.
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