The Glutathione is the ultifunctional peptide in yeast. It is a type of antioxidant that can protect the sulfydryl and hemoglobin from being destroyed by oxidant. It can clean up the free radical and polluted environment in the body, and improve the health. Glutathione also have the function of protecting the immune system and detoxification. Salimincn and Vinko reported that the GSH percentage of rat is increased after 3 weeks’ endurance training. It was also reported that, after practicing, the GSH in muscle will increase by 50%. The hemoglobin and oxidation resistance will be increased too. When sportsmen have the best performance, hemoglobin are all over 15g. Therefore, the hemoglobin content is the most important indicator to sportsmen. GSH can improve one's physical power. It is the food that can provide health and vitality.
(Looked from the process of talking about the function of GSH in this article, good sportsmen in the world are perhaps from people who usually eat yeast. Long distance race, football, basket ball, and other sports, etc. Asiatic, especially Chinese don’t usually eat food fermented by yeast, but eat more dietary alkali, soda powder, and baking powder. This may be the reason why we are not good at those sports which require good endurance.) It’s just my interesting personal analysis for reference.
The GSH has been widely used in various fields of food industry. In flavouring foods, together with sodium glutamate, nucleic acid, and other flavouring materials, the GSM can produce strong meat flavour. Be used for meat, fish, and seafood, the GSH can Inhibit the decomposition of nucleic acid, strength the flavour, and extend the shelf life. In dairy products, the GSH can strength the flavour, increase the quality, and protect the protein from browning. Adding the GSH into yoghourt and baby food, similar with Vitamin C, it has the effect of stabilization. Because the GSH has oxidation-reduction quality, when add the GSH into flour products, it can strength the amino acid, and make it to different types of functional foods. If add the GSH into drinks, candies, dairy products, flour products and fermenting products as the nutrient supplements, it can be used for pregnant woman. In the brewing industry, the anti-aging ability of beer can be increased by choosing the brewer yeast bacterial strain that can produce high quantity GSH. The stability of beer’s flavour can be increased too. In Japan, the GSH is regard as one of the most hopeful health foods.