Leeks also known as "leek buds", "yellow leek buds", "yellow leeks", commonly known as "leek white". For leeks by softening the cultivation of yellow products. Leeks isolated from light, completely in the dark growth, due to the lack of sunlight supply, can not photosynthesis, synthesis of chlorophyll, will become yellow, called "leek yellow". Because of the lack of sunlight and yellowish-white, its nutritional value is inferior to leeks.

Chives, also known as the sun grass, taste very fresh, there is a unique flavor. The unique flavor of leeks is the formation of its sulfide, these sulfides have a certain antiseptic and anti-inflammatory effect, which helps the body to improve their own immunity.

These sulfides in leeks can also help the body absorb vitamin B1, vitamin A, so leeks and vitamin B1-rich pork food with each other, is a more nutritious way to eat. However, sulfide volatile heat, so cooking leeks need to be urgent fire frying pan, a little heat overcooking, you will lose the leek flavor