Allyl mercaptan has been shown to be the most effective HDAC inhibitor of known garlic-derived organosulfur compounds and their metabolites. 2-Propene-1-thiol is found in chives. 2-Propene-1-thiol is a component of onion flavour (Allium cepa) and other Allium species 2-Propene-1-thiol is a flavouring ingredient. Potential nutriceutical 2-Propene-1-thiol belongs to the family of Alkylthiols. These are organic compounds containing the thiol functional group linked to an alkyl chain.