From the comparative experiment of natto and unfermented soybean, it can be seen that natto shows much higher antioxidant capacity than unfermented soybean, and can inhibit oxidation as high as 9 1%, while the latter can only inhibit 13%, which may be related to the antioxidant substances contained in natto, such as isoflavones and α -tocopherol (that is, vitamin E). In addition, natto also has curative effect on cell damage caused by peroxide, and its antioxidant effect is equivalent to or even better than that of α -tocopherol for unsaturated fatty acids, such as linoleic acid and linolenic acid, or for damaged cells.

The research shows that the health care function of natto is mainly related to many functional factors such as nattokinase, natto isoflavone, saponin, vitamin K2 and so on.

Natto is rich in sapogenin, which can improve constipation, reduce blood lipid, prevent colorectal cancer, lower cholesterol, soften blood vessels, prevent hypertension and arteriosclerosis, and inhibit HIV. Natto contains free isoflavones and many enzymes beneficial to human body, such as superoxide dismutase, catalase, protease, amylase and lipase. , can remove carcinogens from the body, improve memory, protect the liver and beautify the face, delay aging and improve the digestibility of food. Intake of live Bacillus natto can adjust the balance of intestinal flora and prevent dysentery, enteritis and constipation, and its effect is better than that of commonly used lactic acid bacteria microecological preparations in some aspects. The sticky substance produced by natto fermentation is wrapped on the surface of gastrointestinal mucosa, so it has the function of protecting gastrointestinal tract and reducing drunkenness when drinking.

The latest research also shows that natto has a strong inhibitory effect on the development of pathogenic Escherichia coli O 157, the "chief culprit" causing large-scale food poisoning. This new theory was published by Professor Yoko Nishi of Miyazaki Medical University. He is called "Dr. Natto". On the premise that "the experimental results in the laboratory are limited, but the principle that natto can inhibit the development of Escherichia coli 0 157 has not been clarified", Professor Yang Hang pointed out that the edible fungi contained in natto can hinder the reproduction of many strains, so it should also inhibit Escherichia coli 0 157.

1, antibacterial effect of natto;

Pathogenic Escherichia coli O- 157 abused Japan, which is still fresh in everyone's memory. At that time, mothers with children were particularly scared. Later, people gradually discovered the unique effect of natto on O- 157. "Bacillus natto can inhibit the growth of intestinal pathogenic bacteria." Once upon a time, people knew that natto had excellent antibacterial and antiviral effects. This time, the efficacy of natto was proved again.

Although natto is raw, it will not go bad or go moldy if it is put in the cold storage for a month. This is because Bacillus natto can inhibit the growth of spoilage bacteria and mold. Moreover, once Bacillus natto enters the large intestine, it will play the same role as lactic acid bacteria, protecting the stomach and preventing enterovirus.

2. The hypotensive effect of natto:

Hypertension, like hypercholesterolemia, is one of the common adult diseases. The occurrence of hypertension is related to constitution and visceral diseases. Diet also has a great influence on blood pressure. Pay special attention to controlling salt intake. So, how to pay attention to preventing hypertension in diet? In fact, natto has the function of preventing hypertension (of course, be careful not to put too much soy sauce in natto to avoid excessive salt intake).

From a medical point of view, among the substances that regulate blood pressure, what makes blood pressure rise is a substance called angiotensin II. Natto will hinder its production. In addition, recent reports show that natto can prevent and treat cancer, which makes people increasingly unable to ignore the efficacy of natto.

Step 3 dissolve thrombus

1982 After comparing more than 230 kinds of foods, Professor Nishimoto of Toyzaki Medical University in Japan found that only natto foods contain high concentrations of thrombolytic components. He put the thrombolytic drugs that patients with cerebral thrombosis often take on quantitative artificial thrombus, which can be completely dissolved in one night, while it takes only three hours to replace a natto food in the same way.

Step 4 Prevent floaters

Bacillus natto food has a very good health care effect on eyes. It can not only purify blood, dissolve thrombus blocked in eyeball microvasculature, but also reduce the accumulation of cholesterol on blood vessel wall. In addition, it is also beneficial to prevent cataracts.

5. Reduce cholesterol and prevent atherosclerosis.

Animal experiments have proved that natto food can inhibit LDL oxidation in blood, effectively reduce the concentration of total cholesterol and triglyceride, and then reduce the occurrence of atherosclerotic diseases. It is speculated that natto food has these effects because of its high content of antioxidant components.

6. The slimming effect of natto:

Oil and salt is an effective biological component extracted from natto, a unique traditional food in Japan. Mucin in natto is a special structure composed of glutamic acid polypeptide, which has similar functions to dietary fiber. It is not absorbed in human intestine, and its water absorption rate is higher than that of dietary fiber, which expands with dietary fiber to reduce the absorption of fat by human body. In addition, vitamin K2 in natto supports fat burning in the body and prevents fat from accumulating in the body, thus realizing a new concept of healthy weight loss.