Onion is a very common vegetable food, after appropriate processing after the flavor is delicious and charming, but eating onions also have a lot to pay attention to the place, then the onion sprouting there can still eat? Eat onions to pay attention to what taboos? Sprouted onions are also not eaten, the following to learn more about the taboos of eating onions, as well as other content that needs attention.

1, onions can eat after sprouting

Many people know that the home of the potatoes, if the sprouting, absolutely can not eat, because eat will be poisoned, and onions, there are a lot of people once to buy a lot of onions to go home, not eaten after a long time will be sprouted, then, onions sprouted can also eat?

Nutrition experts pointed out that the harvested onions after drying treatment, can be stored for a long time will not sprout or mold. But without drying treatment or improper storage, will also germinate or rot, usually onions at about 15 degrees Celsius is most likely to germinate. Sprouted or even green onions will not produce harmful substances, so you can still eat. However, after sprouting, the nutrients in the scaly part of the onion will be transferred to the top for the growth of the buds, resulting in a decrease in nutrient content. In addition, onion sprouting will affect its commercial value, its flavor is also more spicy. Therefore, the onion should be placed in the sun for a period of time, and then placed in a ventilated dry place, try to avoid its germination.

Onion quality requirements: to onion fat, shiny skin, not rotten, no mechanical injury and soil, fresh onion head without leaves; after storage, not flabby, not moss, scales close, less water content, spicy and sweet flavor is good.

2, the onion of the adaptable crowd

General people can eat.

1, especially suitable for hypertension, hyperlipidemia, atherosclerosis and other cardiovascular diseases, diabetes, cancer, acute and chronic enteritis, dysentery patients and indigestion.

2, onions should not be consumed too much at a time, easy to cause eye paste and fever. At the same time where there is itchy skin disease, eye disease and stomach disease, inflammation of the lungs and stomach eat less. At the same time, onions are warm, hot patients should eat with caution;

3, onions contain spicy flavor on the eyes have an irritating effect, suffering from eye disease, eye congestion, should not cut onions. Onions for food parts of the underground fat bulb (i.e., onion head). According to its skin color can be divided into white, yellow and red skin three:

3, the nutritional value of onions

1, onions have a certain role in refreshing, it can help cells better use of glucose, while lowering blood glucose, supplying the brain cells with heat, is diabetes, patients with diabetic atrophy, therapeutic good vegetables.

2, onions contain trace elements selenium is a strong antioxidant, can eliminate free radicals in the body, enhance cell vitality and metabolism, with anti-cancer and anti-aging effect.

3, onions are rich in nutrients and have a pungent odor. Can stimulate the stomach, intestines and digestive gland secretion, enhance appetite, promote digestion, and onions do not contain fat, its essential oil contains a mixture of sulfur compounds that can reduce cholesterol.

4, onion is currently known to contain the only prostaglandin A. Prostaglandin A can dilate blood vessels. Prostaglandin A can dilate blood vessels, reduce blood viscosity, and thus will produce lower blood pressure, can reduce peripheral vascular and increase coronary blood flow, prevent thrombosis effect. Against the role of catecholamines and other blood pressure-raising substances in the body, but also to promote the excretion of sodium, thereby reducing blood pressure.

5, onions contain a kind of inflammatory "oak skin yellow pigment" 9 substances, which is currently known as one of the most effective natural anticancer substances, which can prevent the body's biochemical mechanism of the mutation, control the growth of cancer cells, so as to have the role of cancer prevention and anticancer.

4, onion preservation method

1, onions should be stored in an open container, and should be away from humid environments; the best preservation method is to hang in a dry, ventilated, and the sun will not be direct sunlight. If you use a mesh pocket or used nylon socks washed and dried, put the onion into it, tie the mouth with a rope and hang it in a dark and ventilated place, it can be moisture-proof and anticorrosive.

2, once the onion cut, even if it is wrapped in plastic wrap into the refrigerator for storage, due to oxidation, its nutrients will be rapidly lost. Therefore, it is best to eat as much onion cut as much as possible to avoid cutting after storage.