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.
- Alliin, the S-oxide of allyl cysteine
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