Jina Jianfeng Chemical Co.,Ltd.is a leading research-driven family-managed pharamaceutical company. In the principle of "Quality Orienteed", Jianfeng passed the certification of ISO9001:2008 Quality Management System. The company focuses on the international and domestic markets, giving full play to the company's technological leadership and production management advantages.While consolidating the strength of the current production base, we will carry out various forms of cooperation through various channels, various methods, and domestic and foreign customers in the realization of a win-win situation. Glutathione (GSH) is an antioxidant in plants, animals, funqi, and some bacteria and archaea Glutathione is capable of preventing damage to important cellular components caused by reactive oxygen specices such as free radicals, peroxides, lipid peroxides and heavy metals. It is atripeptide with a gamma peptide linkage between the carboxyl group of the glutamate side chain and the amine group of cysteine and the carboxyl group of cysteine is attached by normal peptide linkage to a glycine.
Glutathione reduces disulfide bonds formed within cytoplasmic proteins to cysteines by serving as an electron donor. In the process, glutathione is converted to its oxidized form, glutathione disulfide (GSSG), also called L-(–)-glutathione. Once oxidized, glutathione can be reduced back by glutathione reductase, using NADPH as an electron donor. The ratio of reduced glutathione to oxidized glutathione within cells is often used as a measure of cellular oxidative stress. Glutathione is not an essentisal nutrient for humans, since it can be synthesized in the body from the amino acides L-glutamic acide, L-glutamic acide, and glycine; it does not have to be present as a supplement in the diet. The sulfhydryl group (SH) of cysteine serves as a proton group and is responsible for its biological activity. Cysteine is the rate-limiting factor in cellular glutathione biosynthesis, since this amino acid is relatively rare in foods.
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