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The gut microbiota, however, serves as the master regulator of this metabolic network, where microbial BCAAs biosynthesis and catabolism dynamically control systemic BCAAs availability

The mechanism by which glutathione protects against enzymatic browning and reduces oxygen consumption is probably its capacity to combine with the orthodiquinones formed by the action of the polyphenol oxidases in stopping the browning process and depleting the medium on substrates for these enzymes

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Structural validation of metabolites with chemical standards Previously unknown metabolites discovered in this study were validated using chemical standards