People are dining out more frequently. Once they consume unhygienic food, bacteria can easily breed and spread in hot and humid environments, leading to intestinal diseases.
Furthermore, drinking large amounts of water when one has a dry mouth can dilute stomach acid. This not only reduces appetite but also creates conditions for bacterial growth. To avoid falling ill, selecting one or two types of antibacterial vegetables with each meal can serve as an effective preventive measure.
Antibacterial vegetables mainly refer to alliums, such as garlic, scallions, chives, onions, green garlic, and garlic sprouts. These plants are rich in broad-spectrum antibacterial agents that can kill and inhibit various cocci, bacilli, fungi, and viruses. Among them, garlic is the most prominent. The main antibacterial component in garlic, allicin, can effectively kill pathogenic bacteria. It should be noted that to maximize garlic's antibacterial effect, it is best consumed raw. Eating a few cloves of crushed garlic daily can effectively prevent acute dysentery and enteritis; however, cooking garlic significantly reduces its effectiveness.
In addition to alliums, some other vegetables also possess certain antibacterial and anti-inflammatory properties. For instance, wild vegetables like purslane and dandelion, when eaten in season during spring and summer, can not only add variety to the diet but also have disease-preventing and health-promoting effects. Among the common vegetables we eat regularly, some also have antibacterial properties, and their effects are enhanced when juiced, making them easier to absorb for the elderly and children. For example, cabbage juice and cucumber juice contain selenium, which helps enhance the bactericidal ability of white blood cells in the human body and has a certain therapeutic effect on periodontal diseases caused by gum infections. Acidic vegetables, such as tomatoes, can stimulate the secretion of gastric acid, thereby reducing bacterial growth caused by insufficient gastric acid secretion.
When consuming antibacterial vegetables, it is best to eat them raw or stir-fry them for a short period. Alliums like onions and garlic can be used as condiments, added to cold dishes or just before a stir-fry is finished, to better exert their antibacterial effects. It should be noted that vegetables are not medicine and may themselves contain bacteria. They must be thoroughly washed before consumption; one should not be careless simply because they have antibacterial properties.