It is cultivated mostly in China, USA and Korea. And we eat bulb of it. Special odor that comes out of bulb is because of propyl disulfide and allyl sulfide. Biologically, this hastens digestive fluid secretion and has excitation, perspiration and diuretic effects. Since bulb contains various vitamins, Ca, phosphoric acid and inorganic matter, it eliminates harmful substances in blood. Bulb is used as salad, soup, meat dishes and spice for various dishes. Out of 100g of leaf contains vitamin A 5,000IU, vitamin C 45mg, Ca 80mg, Mg 24mg and K...