Tofu is the most common bean product, which contains iron, magnesium, potassium, nicotinic acid, copper, calcium, zinc, phosphorus, folic acid, vitamin B 1, egg yolk and vitamin B6. So do you know how to make tofu? I'll teach you how to make tofu.

Tofu practices Daquan home-cooked tofu 1 Tofu is washed with water and cut into small squares. It tastes just like a bite and tastes convenient to cook.

Put a proper amount of oil in the pot, add pepper and stir-fry until fragrant.

Add minced meat and stir-fry until minced meat turns white.

Add a spoonful of Pixian bean paste and stir-fry the red oil over low heat.

Add stock, pour in chopped tofu and bring to a boil.

Add some salt and black pepper to boil, then simmer for 7 minutes. When the soup is thick, it can be cooked and served. Sprinkle with chopped green onion and serve.

Tofu practice daquan home-cooked tofu 2 how to choose tofu

Resolution mode

1, high-quality water tofu refers to the pure use of soybeans as raw materials, its quality is white and tender, the meat has no water marks, no impurities, and the taste is slightly gypsum.

2. Inferior water tofu refers to water tofu mixed with other grains or potato starch, which is characterized by yellowish skin and soft meat with waterline, bubbles and tiny slag particles. In order to identify the worry and inferiority of tofu, we can not only observe it with naked eyes, but also use sewing needles to let it fall vertically from a place many feet away from tofu. If it is inserted in tofu, it is considered skinless and belongs to high-quality tofu. This is what people often say: "Drop the needle and stand on the tofu".

Matters needing attention

1, tofu is good, but it should not be eaten every day, and don't overdo it once. Because tofu is cold, people with cold stomachs tend to have loose bowels? Abdominal distension? People with spleen deficiency are not suitable for eating more tofu. So we advocate eating tofu once a day, and don't eat too much this meal.

2. In daily life, there are some gastrointestinal patients with spleen and stomach deficiency and cold. As soon as they see that tofu is soft and tender, they find it easy to digest. So, eat all day and have tofu brain for breakfast? Drink soybean milk and eat tiger skin tofu at noon? Eat shallots and tofu at night. As a result, I always feel full all day. Abdominal distension, do not want to eat, and stop eating tofu, gastrointestinal discomfort and other symptoms will soon be alleviated.

What are the preservation methods of tofu?

If you don't eat it immediately, you can immediately put fresh tofu in the refrigerator for low temperature preservation. Storage time should not be too long, just two days.

Tofu is placed in a cool and ventilated place, and the water is frequently changed every day, and a little salt is added after the water is changed. It can be stored for at least two days in summer and three or four days in winter.

Boil the salt water, cool it, and you can soak the tofu. After soaking completely, it can be kept for about two days, preferably in the refrigerator. But remember, when cooking, you can add a little without salt.

When tofu is preserved, it can also be preserved for a long time by frying or boiling. Add more oil when frying tofu, cut it out and put it in a container. Don't touch it, or the effect will be bad. Boiled tofu can be preserved for a long time with a little salt and the same treatment.

How to tell whether tofu has gone bad?

1. Look at the appearance of tofu to judge whether tofu has gone bad.

The appearance of fresh tofu without deterioration should be milky white or light yellow, all of which have the luster of light frying. If the appearance of tofu is dark gray or dark yellow, it means that this kind of tofu has deteriorated or has other quality problems, and it is not recommended for everyone to buy and eat.

2. Smell the smell to identify whether the tofu has gone bad.

You can also tell whether tofu has gone bad by smell. Fresh tofu has a natural fragrance, and poor quality tofu will have a strong beany smell. When they go bad, they will give off a sour or rancid smell. Don't buy and eat tofu when it is found that it has no natural bean smell. Deteriorated tofu is either of poor quality or has deteriorated.

3. Identify whether tofu has deteriorated by taste.

When you buy tofu, you can also taste its first taste. If tofu tastes tender, pure and fragrant, it means fresh tofu. If tofu tastes sour and bitter and tastes rough, it means that this kind of tofu has gone bad and is not suitable for everyone to eat.

What happens when you eat spoiled tofu?

1, eating bad tofu will cause diarrhea.

After tofu goes bad, it will produce a variety of bacteria. After eating this kind of bean curd with bacteria, people will produce a variety of toxins in their bodies, causing a variety of discomfort to the human body. The most common adverse symptoms are diarrhea and abdominal pain, which will disappear after stopping eating. In severe cases, laxatives need to be taken in time.

2, eating bad tofu will cause stomach pain.

Tofu will have a variety of acidic components after deterioration. These substances will cause obvious damage to the gastric mucosa after entering the human stomach. Some people with weak stomach function will have stomach pain or nausea, acid vomiting and other adverse symptoms. So tofu can't be eaten after it goes bad.

The practice of tofu: a complete collection of home-made tofu 3. The efficacy and nutritional value of tofu.

efficacy

Tofu is the most common bean product, which is rich in nutrition and contains iron, magnesium, potassium, nicotinic acid, copper, calcium, zinc, phosphorus, folic acid, vitamin B 1, egg yolk and vitamin B6. Its high amino acid and protein content make it a supplementary food for cereals. Sweet in taste and cool in nature, it has the effects of clearing away heat and moistening dryness, nourishing blood and caring skin, nourishing and strengthening the brain. 1. Heat-clearing and moistening tofu is sweet, cool and nontoxic. Is a health food for nourishing and clearing away heat. Proper consumption can replenish middle energizer, clear away heat and dry dampness, promote fluid production and quench thirst, and clean the stomach. It is suitable for people with fever, halitosis, thirst, indigestion and fever. 2. Blood-enriching and beauty-nourishing tofu can increase the iron content in blood in hematopoietic function, and the phytoestrogen flavonoids it contains can fade spots and improve menopausal syndrome, so female friends eat tofu with the effect of blood-enriching and beauty-nourishing. 3. The nutrients in the strong bone tofu are comprehensive, and the absorption rate is as high as 95%. Tofu contains the "sour angle" of calcium in fruit, which is beneficial to the growth and development of teeth and bones. Daidzein can also effectively prevent osteoporosis. 4. Brain-nourishing tofu contains soybean lecithin and rich high-quality protein, which is beneficial to the growth and development of nerves, blood vessels and brain.

nutritive value

Generally, the calcium content of 100g tofu is 140mg- 160mg, and the protein content of tofu is relatively high in plant food, which contains 8 amino acids necessary for human body, and also contains unsaturated fatty acids and lecithin which are lacking in animal food.

1. Tofu is rich in nutrition, containing many trace elements necessary for human body, 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 biological value of soybean protein is comparable to that of fish, and it is a leader among plant proteins. Soybean protein belongs to complete protein, and its amino acid composition is good, which contains almost all amino acids necessary for human body. Soybeans can be directly cooked and eaten. The protein digestibility of soybeans is only 65%, while the digestibility of tofu can be increased to 92%-95%.

2. The oil content of soybean used to make tofu is about 18%, and most of it can be transferred to tofu. Soybean oil has a large proportion of linoleic acid and contains no cholesterol, which is beneficial to the growth and development of human nerves, blood vessels and brain.

3. Tofu contains no cholesterol, and is a medicinal food for patients with hypertension, hyperlipidemia, hypercholesterolemia, arteriosclerosis and coronary heart disease.

4. Tofu is rich in phytoestrogens, which has a good effect on the prevention and treatment of osteoporosis.