Onions that germinate and even grow green seedlings can be eaten, and it will not produce substances harmful to human body. However, the nutrients in the germinated onion scales will be transferred to the top for bud growth, which leads to the decline of the original nutrients and edible value of onions and the taste is not as good as before. ?

Generally speaking, onions are easy to germinate at 15℃, so the bought onions can be placed in the sun for a period of time, and then placed in a ventilated and dry place to avoid germination. ?

Onion related knowledge:

Onion (scientific name: Allium cepa), alias Bulbus Allii, Onion, Onion, Onion, Onion, Allium, etc., is a biennial herb in Liliaceae and Allium. Onion contains prostaglandin A, which can reduce peripheral vascular resistance and blood viscosity, and can be used for lowering blood pressure, refreshing, relieving stress and preventing colds. In addition, onion can also scavenge oxygen free radicals in the body, enhance metabolism, resist aging and prevent osteoporosis, so it is a health food suitable for middle-aged and elderly people.

Onion is widely distributed in China, and cultivated all over the north and south. It is one of the main vegetables in China. Onion producing areas in China mainly include Fujian, Shandong, Gansu, Inner Mongolia and Xinjiang.

edibleness

Onion is a very common and cheap home-cooked dish. Its meat is tender, its juice is spicy and light, its quality is good, and it is suitable for raw food. Originated in western Asia, it is cultivated all over China and supplied in all seasons. The edible part of onion is the underground hypertrophy bulb (onion head). In foreign countries, it is known as the "queen of vegetables" and has high nutritional value.

Applicable people:

Generally, everyone can eat it.

1, especially suitable for patients with cardiovascular diseases such as hypertension, hyperlipidemia and arteriosclerosis, diabetes, cancer, acute and chronic enteritis, dysentery and dyspepsia.

2, onions should not be eaten too much at a time, which is easy to cause paste and fever. At the same time, those who have itchy skin diseases, eye diseases, stomach diseases and lung and stomach inflammation should eat less. At the same time, onion is pungent and warm, and patients with fever should eat it carefully;

3. The spicy taste of onions is irritating to the eyes. When suffering from eye diseases and eye congestion, it is not appropriate to cut onions.