Milk feed is one of the sources of full-price protein of leech, which is generally used only during the breeding period and the growth period of young pupae, and has a good promoting effect on the growth and development of mother pups' lactation and pups. During pregnancy, generally 30-40 grams of fresh milk can be fed daily, up to no more than 50-60 grams, and 15-20 grams can be given in other periods. Use fresh milk must be heat treatment, generally heated at 70-80 °C for 15 minutes. No fresh milk can be replaced with whole milk powder.
Cosmetics are compound mixtures made from various raw materials after reasonable blending and processing. There are many types of cosmetics raw materials with different properties. According to the raw material properties and uses of cosmetics, it can be roughly divided into two categories: base raw materials and auxiliary raw materials. The former is a main raw material of cosmetics, which occupies a large proportion in cosmetic formulations, and is the main functional substance in cosmetics. The latter is responsible for shaping, stabilizing or imparting color, fragrance and other characteristics to cosmetics. These substances are not used in large amounts in cosmetic formulations, but are extremely important. Cosmetics are chemical mixtures made of natural, synthetic or extracted substances with different functions as raw materials and processed through production processes such as heating, stirring and emulsification.
Collagen peptide, Arbutin, Coenzyme Q10, GSH, Cosmetic Raw Materials, lipoic acid
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