4.4.1.4) upon tissue disruption to yield highly reactive alk(en)ylsulfenic acids that are spontaneously converted to various sulfur-containing compounds with diverse pharmacological activities, including antibacterial, antifungal, antivirus, immunostimulating, antioxidant, anticarcinogenic, antithrombotic, cholesterol- and triglyceride-lowering, and hypotensive effects ( S -alk(en)yl-L-cysteine sulfoxides, S -allyl-L-cysteine sulfoxide (alliin), S -methyl-L-cysteine sulfoxide (methiin), S - trans -1-propenyl-L-cysteine sulfoxide (isoalliin), and S -propyl-L-cysteine sulfoxide (propiin), have been identified and isolated from Allium plants ( Biosynthesis of S -alk(en)yl-L-cysteine sulfoxides in Allium plants has previously been proposed to proceed via glutathione S -conjugates, according to the results of precursor feeding and pulse radiolabeling experiments ( S -alk(en)ylated at the cysteine residue, followed by the removal of a glycyl group to form a biosynthetic intermediate, -glutamyl- S -alk(en)yl-L-cysteine

Viral infections can deplete glutathione, driving oxidative stress and mitochondrial dysfunction in Long COVID and ME/CFS
[DOI] [PMC free article] [PubMed] [Google Scholar] 141.Hoshino A., Costa-Silva B., Shen T.-L., Rodrigues G., Hashimoto A., Tesic Mark M., Molina H., Kohsaka S., Giannatale A.D., Ceder S., et al
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