Tofu can be divided into south tofu and north tofu. The main difference is the amount of gypsum (or bittern). South tofu uses less gypsum, so its texture is tender and its water content is about 90%. North tofu uses more gypsum, which is older than south tofu and has a moisture content of 85-88%. Tofu is a traditional food in China, which is delicious and healthy.

Tofu, called "Welfare" in ancient times, was first invented and manufactured in China, and later spread all over the world. Tofu is the main raw material of vegetarian dishes in China, which has always been welcomed by people and is known as "plant meat". Tofu is mainly made of soybean, which contains more protein and fat, so the nutritional value of tofu is also high. Tofu can be produced all year round, regardless of season, so in the off-season of vegetable production, the variety of dishes can be adjusted.

Nutritional value:

Tofu is rich in nutrition, containing many essential trace elements such as iron, calcium, phosphorus and magnesium, as well as sugar, vegetable oil and rich high-quality protein, and is known as "vegetable meat". The digestion and absorption rate of tofu is above 95%. Two small pieces of tofu can meet a person's daily calcium requirement.

Tofu is a nourishing, heat-clearing and health-preserving food. Regular eating can tonify the middle energizer, clear away heat and moisten dryness, promote fluid production to quench thirst and clear the stomach. It is more suitable for people with heat constitution, bad breath, thirst, indigestion and fever. Modern medicine has proved that tofu not only has the function of increasing nutrition, helping digestion and stimulating appetite, but also is beneficial to the growth and development of teeth and bones, and can increase the iron content in blood in hematopoietic function; Tofu contains no cholesterol, and is a medicinal food for patients with hypertension, hyperlipidemia, hypercholesterolemia, arteriosclerosis and coronary heart disease. Supplementing nutrition for children, patients and the elderly is also a good diet therapy. Tofu is rich in phytoestrogens and has a good effect on the prevention and treatment of osteoporosis. It also has the function of inhibiting breast cancer, prostate cancer and hematological tumor diseases. Sterol and stigmasterol in tofu are both effective components in inhibiting cancer.

Tofu can also be used for dietotherapy and has certain medicinal value. For example, stewed onion with tofu can cure the first cold and eat it 3 ~ 5 times a day; Cooking crucian carp with tofu can cure measles patients with residual heat and can also be used for lactation; Fried tofu with onion can be used for edema and swelling; Tofu and radish soup can be used to relieve asthma by phlegm fire; Boiled tofu with brown sugar can be used for vomiting blood.

1. Tofu and tofu products are rich in protein. Tofu protein is a complete protein, which not only contains eight essential amino acids, but also has high nutritional value.

2. Tofu contains phytoestrogens, which can protect vascular endothelial cells from oxidative damage. Eating regularly can reduce the damage of vascular system and prevent the occurrence of osteoporosis, breast cancer and prostate cancer, which is the patron saint of menopausal women;

3. Rich soybean lecithin is beneficial to the development and growth of nerves, blood vessels and brain;

4. Soy protein can appropriately reduce blood lipid, protect vascular cells and prevent cardiovascular diseases;

In addition, tofu is good for aftercare, weight loss and delicate skin.

Applicable people:

Tofu is an ideal food for the elderly, pregnant women and parturients, and it is also an important food for children's growth and development. Tofu is also good for menopause, aftercare, obesity and rough skin; Mental workers and people who often work night shifts are also very suitable for eating. Tofu is digested slowly, and children with indigestion should not eat more; Tofu contains more purines, so it should be used with caution in patients with gout and patients with elevated blood uric acid concentration.

Usage and dosage:

1, south tofu is tender, suitable for burning, stewing and making soup; Beidoufu is suitable for burning, frying, frying and making soup.

2. Tofu lacks the essential amino acid methionine. Cooking is to mix it with other meat and eggs to make a dish, which can greatly improve the utilization rate of protein nutrition in tofu.

Edible efficacy:

Tofu is sweet, light and cool, and enters the spleen, stomach and large intestine; Beneficial to middle qi, harmonizing spleen and stomach, invigorating spleen and promoting diuresis, clearing away lung-heat, consolidating body constitution, clearing away heat and toxic materials, reducing qi and resolving phlegm; Can be used for abdominal distension, hematemesis and vomiting caused by spleen and stomach weakness and acclimatization; Moistening dryness and promoting fluid production, used to quench thirst, lack of milk and other diseases; Used for sulfur and soju poisoning.

Tips:

1, select high-quality tofu: there is no waterline and impurities, and the white and delicate tofu is of high quality; It is inferior tofu, with waterline, bubbles, fine particles and yellow color;

2, tofu can not overeat, overeating is abdominal distension, nausea, can be solved with pineapple.