Onion has become a common condiment used in people's daily life. It is mainly distributed in the northeast regions of northeast China, north China, and northwest China. Since ancient times, we have planted green onions, such as the “Leek with leeks†in the Book of Songs. It is about the cultivation of green onions, so the history of eating onions in northern China is also very long, like Beijing roast duck will be with green onions.
Onion has a relatively high nutritional value and contains trace elements such as carbohydrates, proteins, fats, carrots, Vitamin C, vitamin B1, vitamin B2, malic acid, phosphate sugar, potassium, iron, magnesium, and calcium, as well as volatile components.
The effectiveness and role of green onions
1. Increase appetite
Scallion contains volatile substances called allyl sulfide, allyl sulfide can stimulate the secretion of gastric juice, help to increase appetite.
2. Aphrodisiac
There is a saying called "a green onion, ten minutes," which is about the aphrodisiac effect of green onions. Because green onions are mild and spicy, the pungent scallions of green onions are due to organic sulfur, and the scallions of green onions contain a lot of allicin, while green onions The light blue part is particularly large, can produce irritating odors, thus stimulating the production of adrenaline, so eating green onions has aphrodisiac effect.
3. Antibacterial
Welsh onion contains allicin. Allicin is a trithioallyl ether compound that has an antibacterial effect. It has an antibacterial effect against a variety of Gram-positive and gram-negative bacteria, and against Bacillus dysenteriae, Escherichia coli, Salmonella typhi, and pertussis. Bacillus), fungi (Candida albicans, Aspergillus fumigatus, Cryptococcus), viruses (cytomegalovirus), aphids, amoeba, vaginal trichomoniasis, etc. have the effect of inhibiting and killing, especially against dysentery bacillus, large intestine Bacillus and other intestinal bacteria have a stronger role.
Detoxification
Welsh onion can radiate heat, mainly due to malonate and phosphate sugar contained in green onions can make the nervous system excited, stimulate the blood circulation to stimulate the body's sweat glands, so that the body can secrete more sweat, and the body when sweating In detoxification, many toxins are excreted by the body as the sweat flows out, so eating green onions has the effect of detoxification.
5. Lower cholesterol
Onion can prevent the deposition of cholesterol in the blood, thereby reducing the level of cholesterol in human blood, so consumption of green onions can lower cholesterol.
6. To go
The scallions are warm and spicy, and the green onions also contain essential oils. The spicy taste and volatile oils can remove the smell of lamb meat and the smell of fish and meat. Therefore, you can put a little green onion to remove spicy food when cooking. Smell.
7. The cold
Scallions are lukewarm and spicy, so welsh onion is also a warming food, especially its own pungent taste. Malic acid and phosphoric acid sugar contained in green onions can stimulate the nervous system, stimulate the blood circulation in the body, and remove cold air. For colds and colds, due to cold and abdominal discomfort caused by cold has a very good effect, so eating green onions can drive cold.
Another important function of amino acids is to provide energy to the human body. Normally, a healthy body on a general diet will use carbohydrates as its main fuel, but when the main source is depleted due to strenuous exercise, protein and amino acids can be used as a last resort. Amino acids also play an important role in food taste. Protein doesn't have much taste, but each amino acid has its own taste, and combining them is one of the important factors that define the taste of food
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