''S''-Allylcysteine (SAC) is an

organosulfur compound Organosulfur compounds are organic compounds that contain sulfur. They are often associated with foul odors, but many of the sweetest compounds known are organosulfur derivatives, e.g., saccharin. Nature abounds with organosulfur compounds—sulfu ...

that is a constituent of fresh

garlic Garlic (''Allium sativum'') is a species of bulbous flowering plant in the genus ''Allium''. Its close relatives include the onion, shallot, leek, chive, Allium fistulosum, Welsh onion and Allium chinense, Chinese onion. It is native to South A ...

. It is a derivative of the

amino acid Amino acids are organic compounds that contain both amino and carboxylic acid functional groups. Although hundreds of amino acids exist in nature, by far the most important are the alpha-amino acids, which comprise proteins. Only 22 alpha am ...

cysteine Cysteine (symbol Cys or C; ) is a semiessential proteinogenic amino acid with the formula . The thiol side chain in cysteine often participates in enzymatic reactions as a nucleophile. When present as a deprotonated catalytic residue, sometime ...

in which an

allyl In organic chemistry, an allyl group is a substituent with the structural formula , where R is the rest of the molecule. It consists of a methylene bridge () attached to a vinyl group (). The name is derived from the scientific name for garlic, ...

group replaces the proton on sulfur. A number of related compounds are found in garlic, including the disulfide ''S''-"allylmercaptocysteine" (SAMC) and γ-glutamyl-''S''-allylcysteine" (GSAC). Allylcysteine is of interest for its potential medicinal properties. and as a chemopreventive.

References

External links

S-allyl-laevo-cysteine
thegoodscentscompany.com {{DEFAULTSORT:Allyl Cysteine, S- Sulfur amino acids Antioxidants Thioethers Allyl compounds

See also

References

External links