Experts introduce the food preservation instructions of "Three Treasures in Kitchen". Onion, ginger and garlic are known as "three treasures in the kitchen". How to preserve these commonly used seasoning dishes at home? Can germinated ginger and garlic still be eaten? It is said that onions, ginger and garlic all belong to hair. Who is not suitable for eating? Who should not eat onions, ginger and garlic? In the theory of traditional Chinese medicine, onion, ginger and garlic belong to hair, and those who have fever, thirst, insomnia and anxiety and bleeding from hemorrhoids should not eat hot food like onion, ginger and garlic. For people with cold symptoms such as pale face, cold hands and feet, and exogenous cold, eat more onions, ginger and garlic in moderation. Onion, especially its leaves, is rich in vitamin A, vitamin C and calcium, which can relax blood vessels, promote blood circulation and lower cholesterol. The trace selenium contained in onion can reduce the nitrite content in gastric juice, which has a certain effect on preventing gastric cancer and various cancers. In addition, onions can stimulate the secretion of digestive juice and increase appetite. But people with gastrointestinal diseases, especially peptic ulcer, should not eat more. Onions have a strong stimulating effect on sweat glands, and people with underarm odor should eat them carefully in summer; Besides, eating too many onions will damage their eyesight. Gingerol in ginger can produce an antioxidant when it enters the human body. It has strong anti-oxygen free radical effect, so eating ginger also has anti-aging effect. But some diseases are not suitable for eating ginger, such as carbuncle, swelling, furuncle, pneumonia, lung abscess, tuberculosis, gastric ulcer, cholecystitis, pyelonephritis, diabetes, hemorrhoids and so on. Drinking fresh ginger juice can cure vomiting caused by cold, but it is not suitable for other types of vomiting. Garlic is a kind of food with seasoning, health care and medicinal value. In fact, garlic not only has bactericidal effect, but also helps digestion, stomach strengthening and digestion. Garlic and garlic preparations also have strong functions of lowering cholesterol, anticoagulation, lowering blood sugar, protecting liver and improving immunity. In addition, garlic also contains a variety of ingredients that block carcinogens, inhibit cancer cells and resist oxidation, so garlic has the function of preventing cancer and delaying aging. However, garlic is not suitable for patients with certain diseases, such as eye diseases, viral hepatitis, acute gastritis, gastric ulcer and non-infectious diarrhea. It should be noted that because onions, ginger and garlic are spicy and irritating foods, people who suffer from oral cavity, throat, lung inflammation or tumors and gastrointestinal diseases (acute gastroenteritis, gastric ulcer, etc.). ) are not suitable for eating. Can ginger and garlic be eaten after germination? In the process of germination, ginger and garlic only consume nutrients, which causes the petals of ginger and garlic to wilt and shrivel, and the nutritional value is greatly reduced, but it will not produce toxic substances in the process of germination like potatoes. Therefore, germinated ginger and garlic can still be eaten, but the edible value will be greatly reduced because of nutrient consumption.