L-lysine is one of the eight essential amino acids. Nutritionists consider it as amino acid of the most lack and the most limiting amino acid of plant protein. L-lysine is used for dietary supplement: e.g. if lack of L-lysine will cause protein functioning holdback and growing holdback. L-lysine is widely used in industry of foodstuff, pharmaceutical and feed. In the industry of feed, it is used for feed of pig and birds. The normal dosage in feed additives is 0.1%-0.3%. When adding corresponding quantity L-lysine into feed, not only the livestocks and birds would grow fast, but also the dosage of rude protein in feed would be reduced 3%-4%.Test methods: standard of feed industryAssay (counted by dry C6H14N2O2 HCl): not less than 98.5%Specific rotation: +18.0°~+21.5°PH: 5.0~6.0Loss on drying: not more than 1.0%Residue on ignition: not more than 0.3%Ammonium (NH4): not more than 0.04%Heavy metal (Pb): not more than 0.003%Arsenic (As): not more than 0.0002%
Astaxanthin is a red pigment occurring naturally in a wide variety of living organisms.Most crustaceans, including shrimp, crawfish, crabs and lobster, are tintedred by accumulated astaxanthin. The co
Astaxanthin is a red pigment occurring naturally in a wide variety of living organisms.Most crustaceans, including shrimp, crawfish, crabs and lobster, are tintedred by accumulated astaxanthin. The co
It can be used in skin and apparatus disinfection in the hospital for operation and injection, preventing infection of buccal illnesses, gynecological diseases, surgical diseases or dermatological ill
It can be used in skin and apparatus disinfection in the hospital for operation and injection, preventing infection of buccal illnesses, gynecological diseases, surgical diseases or dermatological ill
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