Latin name : Allium cepa , family Amaryllidaceae.
Forms : Dried , sliced onions , fine cut or powder.
Season : February -August.
Main constituents : Allicin, Quercetin, Fisetin, other Sulphurous compounds: Diallyl Disulphide and Diallyl Trisulphide.
Main uses : Flavoring agent , Cough, Inflammatory disorders , Ulcer wounds, Scars , Swelling after bee stings.