S-Allyl cysteine

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S-Allyl cysteine
S-Allyl cysteine
S-Allyl cysteine
Chemical name S-2-propenyl-L-cysteine
Chemical formula C6H11NO2S
Molecular mass 161.22 g/mol
CAS number [21593-77-1]
Density 1.191 ± 0.06 g/cm3
Melting point 219-220 °C
Disclaimer and references

S-Allyl cysteine (SAC) is an organic compound that is a natural constituent of fresh garlic. It is a derivative of the amino acid cysteine in which an allyl group has been added to the sulfur atom.

Allyl cysteine is currently being investigated as a potentional cholesterol lowering agent and as a chemopreventive.

See also

  • Alliin, the S-oxide of allyl cysteine


  • Arora, Annu; Tripathi, Chitra; Shukla, Yogeshwer. "Garlic and its organosulfides as potential chemopreventive agents: a review." Current Cancer Therapy Reviews (2005), 1(2), 199-205.
  • Yeh Y Y; Liu L "Cholesterol-lowering effect of garlic extracts and organosulfur compounds: human and animal studies." Journal of Nutrition (2001), 131(3s), 989S-93S.

External links