Tofu contains calcium and shallots contain oxalic acid. The two combine to form a white precipitate - calcium oxalate, which is not easily absorbed by the body.

This not only destroys the nutritional value of tofu, but may also form stones in the body, harming human health.

Tofu is extremely nutritious and contains iron, magnesium, potassium, niacin, copper, calcium, zinc, phosphorus, folic acid, vitamin B1, lecithin and vitamin B6.

Its high amino acid and protein content make it a good supplement to cereals.

It is sweet in taste and cool in nature, and has the effects of benefiting qi and neutralizing qi, promoting body fluids and moisturizing dryness, clearing away heat and detoxifying.

1. Clearing away heat and moisturizing. Tofu is sweet, cold and non-toxic. It is a health-preserving food that can replenish heat and clear away heat. Regular consumption can replenish qi, clear away heat and moisturize, produce body fluids and quench thirst, and cleanse the stomach. It is suitable for people with heat constitution, bad breath, thirst, and unclear stomach.

It should be taken by those recovering from fever.

2. Blood-enriching and beauty-enhancing tofu can increase the iron content in the blood during hematopoietic function. The phytoestrogen flavonoids it contains can lighten spots and nourish the skin, and improve menopausal syndrome. Therefore, eating tofu has a good blood-tonifying and beauty-nourishing effect for female friends.

3. Strengthen bones. The nutrients in tofu are comprehensive, and the absorption rate is as high as 95%. Two small pieces of tofu can meet a person’s need for calcium in a day. Tofu contains the king of calcium in fruits, “tamarind”, which is good for the growth and development of teeth and bones.

Beneficially, soy flavonoids are also effective in preventing osteoporosis.

4. Brain-tonifying tofu contains soy lecithin and rich high-quality protein, which is beneficial to the growth and development of nerves, blood vessels and brain, can enhance immunity, and strengthen the body.

5. Anti-cancer and anti-cancer. The sterols and stigmasterol in tofu are ingredients that inhibit cancer, and can effectively inhibit cancers such as breast cancer, prostate and blood cancer.

Nutritional value Generally, 100 grams of tofu contains 140 mg to 160 mg of calcium. Tofu contains relatively high protein among plant foods. It contains 8 kinds of essential amino acids for the human body. It also contains unsaturated fatty acids, lecithin, etc. that are lacking in animal foods.

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1. Tofu is rich in nutrients and contains iron, calcium, phosphorus, magnesium and other trace elements necessary for the human body. It also contains sugar, vegetable oil and rich high-quality protein. It is known as "plant meat".

The biological value of soybean protein is comparable to that of fish and is the leader among plant proteins.

Soy protein is a complete protein with a relatively good amino acid composition and contains almost all the amino acids necessary for the human body.

Soybeans can be cooked and eaten directly, but the digestion and absorption rate of its protein by the human body is only 65%, while the digestibility of tofu can be increased to 92% to 95%.

2. The soybeans used to make tofu contain about 18% of oil, most of which can be transferred to the tofu.

Soybean oil contains a large proportion of linoleic acid and does not contain cholesterol, which is beneficial to the growth and development of human nerves, blood vessels, and brain.

3. Tofu does not contain cholesterol and is a medicinal delicacy for patients with hypertension, hyperlipidemia, hypercholesterolemia, arteriosclerosis, and coronary heart disease.

4. Tofu is rich in phytoestrogens, which has a good effect on preventing and treating osteoporosis.