Original Professor Liu Shaowei’s words on diet are included in the topic # 1 fermented food.
Expert in this paper: Han Lijun, Master of East China University of Science and Technology, Grade 2020.
Liu Shaowei: Deputy Director, Professor and Doctoral Supervisor of Food and Drug Administration Research Center of East China University of Science and Technology, Ph.D. in Food Science, Pennsylvania State University, USA, and postdoctoral fellow at Kansas State University, USA.
Steamed bread, yogurt, fermented bean curd, wine … these common foods in our lives all benefit from "fermentation", which changes the raw materials, improves the nutritional value and taste, and is beneficial to health if eaten in moderation.
01 sufu
As a plant fermented protein food, fermented bean curd is called "Oriental cheese", and it is also called "bean curd", "south milk" or "cat milk" depending on the place. Sufu is a kind of secondary processed bean food, a famous fermented condiment with national characteristics in China, a common side dish on the table, or used for cooking.
benefit
1. Soybean protein molecules are large, which is difficult for human body to absorb. However, in the fermentation process, under the action of microorganisms, the molecules of protein in sufu become smaller, which is more conducive to human body’s absorption and digestion.
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2. Because fermented bean curd contains vitamin B12 that is not found in general plant foods, vegetarians often eat fermented bean curd to prevent pernicious anemia.
3. Sufu produces a large number of oligopeptides in the fermentation process, which has many physiological and health functions such as anti-aging, anti-cancer and anti-tumor, and reducing blood fat; It can also increase beneficial bacteria in the body and enhance human immunity.
Note: The content of salt and purine in sufu is high. Patients with hypertension, nephropathy and gout should eat less or not, so as not to aggravate their condition.
02 natto
Natto is a bean product fermented by Bacillus subtilis, which is sticky and slightly sweet. It not only retains the nutritional value of soybean and is rich in vitamin K2, which improves the digestion and absorption rate of protein, but also produces a variety of physiologically active substances during the fermentation process, which has the functions of dissolving fibrin in the body and regulating physiological functions.
benefit
1. Thrombolytic ability
Due to people’s bad diet and living habits and the pressure brought by the environment, the incidence of thrombotic diseases is increasing year by year, which has caused serious harm to people’s health. It is found that nattokinase can reduce the concentration of free calcium ion in platelet cytoplasm, thus having the effect of assisting in dissolving thrombus.
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2. Prevention of osteoporosis
People constantly carry out bone metabolism in the process of growth and development to adapt to internal and external environmental conditions. Natto isoflavone and vitamin K can produce bone protein, which plays an important role in preventing osteoporosis.
3, anti-cancer and anti-oxidation
Natto is made from soybean fermentation, which contains more anticancer substances such as isoflavones and polyamines than soybean, and has the effects of enhancing immunity, regulating lipid metabolism and delaying aging.
03 yoghourt
Yogurt is a kind of milk drink with sweet and sour taste. It is a milk product that takes milk as raw material, adds beneficial bacteria (starter) to milk after pasteurization, ferments, and then cools and fills. Yogurt products are rich in nutrients, including amino acids and vitamins in addition to the original nutrition of milk.
benefit
1, easy to be digested and absorbed. Lactose in milk is transformed into lactic acid and galactose by lactic acid bacteria about 25%. Lactic acid can promote gastrointestinal peristalsis and improve the absorption and utilization of calcium and phosphorus by the body. Galactose’s participation in metabolic compounds is helpful to the development of intelligence.
2, anti-aging and enhance immunity. There are many kinds of bacteria in human digestive tract, which are beneficial and harmful. Lactic acid bacteria in yogurt can inhibit the reproduction of harmful bacteria. For example, Lactobacillus acidophilus inhabits the intestine, which can enhance human health, inhibit the survival of harmful bacteria in the intestine, reduce the occurrence of diseases, and help to prevent aging and prolong life.
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3. Anti-tumor effect. Yogurt contains precursors to reduce carcinogenicity. The Japanese Cancer Society and the Institute of Modern Studies of the Science and Technology Department believe that the beverage of lactic acid bacteria YL19018 has anti-cancer effect, and it is effective regardless of whether the bacteria are alive or dead. The combination of lactic acid bacteria and cyclophosphamide has a remarkable effect on cancer treatment.
4. Excellent food for patients with liver disease. Because it contains excellent protein and rich vitamins, at the same time, it needs to secrete less bile when digesting yogurt than when digesting milk, thus reducing the burden on the liver.
5. It can solve lactose intolerance such as bloating and bowel sounds caused by eating milk.
04 wine
Wine is widely loved by consumers because of its good taste, high nutrition and health care function. Drinking wine in moderation can reduce the death rate of heart disease. It is advisable for healthy people to drink less than 100 ml of wine every day, which is beneficial to health.
benefit
1. Prevention of cardiovascular diseases and anti-tumor
It is reported that scientists have discovered resveratrol after studying the pharmacological activity of wine, which has antibacterial, anti-inflammatory, anticancer, antithrombotic and hyperlipidemia effects. Cancer and heart disease are two major diseases that affect human health at present, and resveratrol contained in wine has a preventive effect on this. A large number of studies have proved that drinking 1 cup of red wine (about 80mL) before going to bed every day can improve the quality of sleep and control coronary heart disease.
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2. Delaying memory decline
The latest research on food by University of London shows that drinking 1-2 glasses of wine a day can greatly reduce the risk of cognitive deterioration. A glass of wine a day can delay the memory decline of the elderly.
3. Improve blood circulation
Wine contains tannins, which can help us improve the blood circulation, speed up the blood flow, promote the metabolism of our body, and help the excess garbage metabolized in our body to be discharged from our body as soon as possible.
4. beauty beauty
Wine has nourishing, beautifying, whitening and moisturizing effects for women. Drinking two sips of wine before going to bed every day is good for the skin, and it can also help women sleep.
Fermented food is a kind of delicious food skillfully processed by beneficial microorganisms, which has a unique taste and flavor and greatly enriches our diet.
However, it is necessary to pay attention to hygiene when making fermented food at home. It is recommended to buy products from regular manufacturers in order to eat with confidence.
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