Thick and thin collocation
Scientific research shows that the reasonable collocation of different kinds of cereals and their processed products can improve their physiological value. After food is processed, it often loses some nutrients, especially dietary fiber, vitamins and inorganic salts, which are exactly what the human body needs or is easy to lack. Take refined white powder as an example, its dietary fiber is only 1/3 of standard powder, while vitamin B 1 is only1/50 of standard powder; Compared with adzuki bean, these two are much less. Therefore, the elderly should pay attention to the matching of thickness in the choice of staple food. As for the optimal proportion, there is no exact information at present, and it is impossible to have it in the future. It's best to vary from person to person. However, the benefits of eating more miscellaneous grains are obvious. For example, the dietary fiber in millet and adzuki bean is 8 ~ 10 times higher than that in refined white powder, and the B vitamins are dozens of times higher, which is beneficial to enhancing appetite and preventing constipation, beriberi, conjunctivitis and cataract. "Two meters" (rice and millet) and "gold and silver rolls (flour and corn flour)" in many places in China are typical examples of the combination of thickness, which meets the requirements of a balanced diet.
Meat and vegetable collocation
Animal oil contains more saturated fatty acids and cholesterol, so it should be matched with vegetable oil, especially vegetable oil (the ratio of vegetable oil to animal oil is 1∶2). Animal fat can provide vitamin A, vitamin D and cholesterol, and it is the raw material for synthesizing corticosteroids, sex hormones and vitamin D in the body. According to the latest research report, cholesterol also has anti-cancer effect. Eating a small amount of animal oil every day should be beneficial and harmless. Another example is that the elderly are prone to calcium deficiency. Always cook fresh fish and tofu. The former contains more vitamin D, while the latter is rich in calcium. The combination of the two can increase the absorption rate of calcium by more than 20 times. Stewed tofu with fresh fish is delicious but not greasy, especially suitable for the elderly; Protein's physiological value can be increased by two or three times by roasting ribs with soybeans. For another example, the most common collocation of vegetables and meat in people's daily life, such as cucumber slices, shredded pork with pickled cabbage, potato and beef, provides protein and fat from meat, and vitamins and inorganic salts from vegetables, which is not only reasonable in nutrition, but also delicious in color and flavor, and even can increase people's appetite.
Acid-base collocation
In the long struggle with nature, the working people in our country have left a rich diet culture, which needs to be explored and improved by modern scientific theory and technology. For example, some areas in the south pay attention to eating eel and lotus root together. It turns out that eel contains mucin and mucopolysaccharide, which can promote the absorption and utilization of protein, and is rich in completely protein, so it is an acidic food. Lotus root is rich in asparagine, tyrosine and other special amino acids, as well as vitamin B 12 and vitamin C, which belongs to alkaline food. This kind of acid-base and the supplementary nutrients contained in it have played a very good role in maintaining the acid-base balance of the body. In fact, many cooking habits formed by our people for a long time belong to the combination of acidic food and alkaline food. Generally speaking, animal foods are acidic, while plant foods such as green leafy vegetables are alkaline. The combination of these two foods has obvious benefits to the human body, which is also the advantage of the combination of meat and vegetables. Therefore, some western scientists try their best to popularize China's cuisine collocation and cooking methods.
Fish+tofu
Function: Fresh taste, calcium supplementation, and prevention of various bone diseases, such as rickets and osteoporosis in children.
Principle: Tofu contains a lot of calcium. If eaten alone, its absorption rate is low, but when eaten with fish rich in vitamin D, it can play a better role in calcium absorption and utilization.
Pig liver+spinach
Function: Prevention and treatment of anemia.
Principle: Pig liver is rich in folic acid, vitamin B 12, iron and other hematopoietic raw materials. Spinach also contains more folic acid and iron, and the two foods are eaten together, one meat and one vegetable, which complement each other.
Mutton+ginger
Function: It is a good tonic in winter, which can treat cold pain in back and rheumatic pain in limbs.
Principle: Mutton can replenish qi and blood, warm kidney and strengthen yang, and ginger has the functions of relieving pain, expelling wind and removing dampness. Eating ginger together can not only remove fishy smell, but also help warm mutton and dispel cold.
Chicken+chestnuts
Function: nourishing blood and keeping fit, suitable for anemia.
Principle: Chicken is the product of hemopoiesis and tonic deficiency, and chestnuts focus on strengthening the spleen. Chestnut roast chicken is not only delicious, but also has stronger hematopoietic function, especially when the old hen bakes chestnuts.
Duck+yam
Function: nourishing yin and moistening lung, suitable for people with weak constitution.
Principle: Duck meat can nourish yin, clear heat and relieve cough. Yam has a stronger nourishing effect. Eating with duck meat can help digestion and nourish the lungs.
Lean meat+garlic
Function: promote blood circulation, eliminate physical fatigue and enhance physical fitness.
Principle: Lean meat contains vitamin B 1. When it is used in combination with allicin in garlic, it can not only increase the precipitation of vitamin B 1 and prolong the residence time of vitamin B 1 in human body, but also promote blood circulation, eliminate physical fatigue and enhance physical fitness as soon as possible.
Egg+lily
Function: nourishing yin and moistening dryness, clearing heart and calming nerves.
Principle: Lily can clear phlegm and fire to make up deficiency, and egg yolk can clear heat, nourish yin and replenish blood. Eating together can better clear the heart and nourish yin.
Sesame+kelp
Function: Beauty, anti-aging.
Principle: Sesame can improve blood circulation, promote metabolism and lower cholesterol. Kelp is rich in iodine and calcium, which can purify blood and promote the synthesis of thyroxine. Eating together is better for beauty and anti-aging.
Tofu+radish
Function: Good for digestion.
Principle: Tofu is rich in plant protein, and people with weak spleen and stomach will cause indigestion if they eat more. Radish has a strong digestive ability, and the nutrition of tofu can be absorbed in large quantities when cooked together.
Red wine+peanuts
Function: beneficial to the heart
Principle: Red wine contains aspirin, and peanuts contain beneficial compound Pak Lei alcohol. Eating together can prevent thrombosis and ensure smooth cardiovascular system! Source food city network) Spinach+sesame oil has a laxative effect.
Carrots+yam, pork tripe, Radix Astragali, carrots, yam and pork tripe have the function of invigorating the stomach. Astragalus membranaceus can replenish spleen and qi, and the same food can increase nutrition and replenish deficiency.
Radish+laver radish can relieve phlegm and cough and promote digestion; Porphyra has the function of clearing away heat and resolving phlegm. The combination of the two can clear lung heat and treat cough.
Onion+ham Onion is rich in vitamin C, which can prevent nitrite in ham from being converted into ammonium nitrite in human body.
Lettuce+garlic lettuce promotes qi and collaterals, strengthens muscles and bones, and clears away heat and toxic materials; Garlic seedlings also have the function of detoxification and sterilization, and the combination of the two can effectively prevent and treat hypertension.
Green bamboo shoots+black fungus green bamboo shoots have high content of vitamin C, which can promote the absorption of iron in black fungus by human body. The combination of the two can enrich blood.
Rapeseed+green pepper Rapeseed contains more iron. When paired with green peppers, vitamin C in green peppers can promote the absorption and utilization of iron, which is beneficial to human blood.
Potato+vinegar potato is rich in nutrition, but it contains a small amount of toxic substance solanine. Adding vinegar can effectively decompose toxic substances.
Meat and eggs
Mutton+ginger mutton is hot and is a good tonic; Ginger can dispel cold and keep warm, both of which can cure abdominal pain and stomach cold.
Beef+mushroom beef is a kind of warm meat; Lentinus edodes is rich in ribonucleic acid, lentinan and so on, which is easily digested and absorbed by human body. The combination of the two is suitable for people with weak stomach and intestines.
aquatic product
Eating fish and tofu at the same time can help people absorb calcium and prevent rickets and osteoporosis.
Carp+rice vinegar carp has the effect of dehumidification and swelling; Rice vinegar is also beneficial to the function of eliminating dampness, and the effect of eliminating dampness is better when they are eaten together.
Calcium supplementation with fish and tofu can prevent a variety of bone diseases, such as rickets and osteoporosis in children.
Chicken and chestnuts are suitable for people with anemia.
Lean meat and garlic promote blood circulation, eliminate physical fatigue and enhance physical fitness.
The combination of tofu and radish is helpful to the digestion and absorption of gastrointestinal tract.
Spinach and sesame oil promote laxative effect.
Radish and laver can treat cough caused by lung heat.
Pig liver+spinach, one meat and one dish, spread and absorbed together, is effective in treating anemia.
Duck blood+yam can eliminate greasy and make up the lung better.