Allitridi is a light yellow liquid with strong garlic odor, insoluble in water, partially soluble in ethanol, although the main component of garlic oil is sulfur ether compounds, but the chemical properties are relatively stable, in the non-strong acid environment can withstand more than 120℃ high temperature and not easy to decompose, but if long-term exposure to ultraviolet radiation, can induce decomposition. The bulb of lilium sativum L. Is distilled by steam. To clarify pale yellow to orange liquid. And strongly pungent, like mercaptan. 1.050 ~ 1.0951.550 ~ 1.580. The main components are allyl propyl disulfide, diallyl disulfide, diallyl trisulfide, allicin and so on. Mainly produced in Egypt, China, etc. It is mainly used for preparing spices and disinfectants. Garlic bulb can be extracted from garlic oleoresin by organic solvent and used in food industry.