GC-MS CHARACTERIZATION OF ORGANIC SULPHUR COMPOUNDS AND OTHER VOLATILE ODOROUS COMPOUNDS FROM ALLIUM SATIVUMN.C.J. PACKIA LEKSHMI , S.VIVEKA M.B.VISWANATHAN AND T. MINI SHOBI
Garlic, Allium sativum L. is a plant with so many medicinal properties and as therapeutic agent with a peculiar odor. It was used as antiseptic to prevent gangrene during the two world wars and was ingested as stimulant by the athletes during the first Olympic Games in Greece. An antiseptic lotion prepared out of it is used to clean wounds and ulcers in India. Onion and garlic tea is suggested to treat fever, headache, cholera and dysentery in China. Due to its medicinal property, it is used to treat many disorders right from respiratory ailments, asthma, pneumonia, diabetes, cardiovascular disorders to rheumatism. The medicinal property is due to the presence of a large number of bioactive compounds. The unique odour is attributed for the presence of organosulfur compounds which can be analyzed by GC-MS. Major bioactive components identified in the present study are allicin, diallyl disulfide, allyl alcohol, alliin, diallylsulphide, dimethyl sulphate, dimethyl disulfide, diallyl ether, allyl methyl disulfide, allyl propyl sulphide, dimethyl propyl disulfide, dipropyl disulfide, allyl methyl sulphide and trichloroethylene.
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