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7 In the intestines and liver, only negligible amounts of food-derived cysteinyl-glycine (Cys-Gly) and gamma-glutamyl-cysteine (-Glu-Cys), (a glutathione-degradation product and a precursor of glutathione, respectively) were detected, while significant amounts of food-derived Cys-Gly and -Glu-Cys were detected in the plasma

(PubMed) Ramos MI, Allen LH, Mungas DM, et al

The transformation of herbal medicines from general consumption has led to the infusion of herbal extracts into foods, leading to the development of herbal functional foods including porridges, soups, beverages, biscuits, candies, chocolates, and dietary supplements

Then the ultrapure His-tagged recombinant proteins are eluted by imidazole

Faecal microbiota transplantation with anti-inflammatory diet (FMT-AID) followed by anti-inflammatory diet alone is effective in inducing and maintaining remission over 1 year in mild to moderate ulcerative colitis: a randomised controlled trial