Alliina

Also known as L-DeoxyallIIn, S-2-Propenyl-L-Cysteine, S-allyl-L-cysteine

'''S-Allylcysteine' (SAC) is an organosulfur compound that has the formula . It is the S-allylated derivative of the amino acid cysteine. As such only the L-enantiomer is significant biologically. SAC constituent of aged garlic. A number of related compounds are found in garlic, including the disulfide S-"allylmercaptocysteine" (SAMC, ) and γ-glutamyl-S''-allylcysteine" (GSAC).