Allicin (Allicin) from plants of the genus onion onion bulbs of garlic (garlic) to extract a kind of organic sulfur compounds, also found in Onions and other green plants, the scientific name for diene propyl sulfonic acid ester, and the chemical formula for C6H10OS2.
Solid agent for white to light yellow liquid, powder is light yellow to brown liquid agent volatile oily liquid, has a strong smell of garlic, distillation decomposition, aqueous place precipitation formation oil.
Not soluble in glycerol, propylene glycol, etc., can be mixed with ethanol, chloroform, ether and benzene.
The alkali is not stable, stable to acid.
When the solution is heated quickly die.
Garlic has strong antibacterial activity, in very low concentrations can inhibit many kinds of gram positive bacteria and gram negative bacillus, the fungus, virus, protozoon, pinworm, etc have inhibition.
On escherichia coli, shigella inhibition effect is obvious.
Agriculture used as pesticide, fungicide, also used in feed, food, medicine.