Each food contains different nutrients, so how can it be used to produce the best effect?

Thickness

Scientific research shows that the proper combination of different types of food and processed products can increase its physiological value. After processing, grains often lose some nutrients, especially dietary fiber, vitamins, and inorganic salts. These nutrients are just what the body needs or are easily lacking. Take fine powder as an example, its dietary fiber is only 1/3 of the standard powder, while vitamin B1 is only 1/50 of the standard powder; compared with red adzuki bean, there are fewer more. Therefore, the elderly in the choice of staple food, should pay attention to the thickness with. As for what kind of ratio is the best, there is no precise information at present, it may not be possible in the future, or it may vary from person to person. However, the benefits of eating more grains are obvious. For example, the dietary fiber in millet and red beans is 8 to 10 times higher than that in white powder, and the B vitamins are tens of times higher, which is beneficial to increase appetite and prevent diseases such as constipation, beriberi, conjunctivitis and cataract. of. The “two rice” (rice and millet) and “gold and silver rolls (flour and cornmeal)” in many parts of China are examples of typical thickness matching and are in line with the requirements of a balanced diet.

With meat and vegetables

Animal oils contain more saturated fatty acids and cholesterol, which should be matched with vegetable oils, especially vegetable oils (the ratio of vegetable oil and animal oil is 1:2). Animal fat can provide vitamin A, vitamin D and cholesterol, which is the raw material for the synthesis of corticosteroids, sex hormones and vitamin D in the body. According to the latest research report, cholesterol also has anti-cancer effects. Eating a small amount of animal oil every day should be beneficial and harmless. Another example, the elderly are prone to calcium deficiency, may wish to often cook with fresh fish and tofu, the former contains more vitamin D, which is rich in calcium, the combination of the two, can increase the absorption rate of calcium more than 20 times; Fresh fish stew tofu, delicious and not greasy, especially suitable for the elderly; and soy burned pork ribs, the protein's physiological value can be increased two or three times. Another example is the combination of vegetables and meat most commonly found in people's daily lives, such as cucumber slices, shredded pork, and potato roast beef. Proteins and fats are provided by meat, vitamins and minerals are provided by vegetables, and not only nutrients are used. Reasonable, attractive and lustrous, overflowing with scent, even more appetizing.

Acid and alkali matching

In the long-term struggle with nature, the working people of our country have left a very rich food culture that needs to be explored and improved with modern scientific theories and techniques. For example, in some parts of the South, it is important to eat squid and squid together. The original squid contains mucin and mucopolysaccharide, which can promote protein absorption and utilization. It also contains relatively abundant complete protein and is an acidic food; wolfberry is rich in specific amino acids such as asparagine and tyrosine, as well as vitamin B12 and Vitamin C is an alkaline food. This acid-alkali, combined with the complement of nutrients contained in both, plays a very good role in maintaining the body's acid-base balance. In fact, many of the cooking habits that our country’s people have formed over a long period of time are related to acidic foods and alkaline foods. In general, animal foods are acidic, while leafy vegetables and other plant foods are alkaline. The benefits of these two types of foods on the human body are obvious, and are also the advantages of meat and vegetables. Therefore, some Western scientists strongly promote Chinese cuisine and cooking methods.

Fish + tofu

Role: delicious, calcium, can prevent a variety of bone diseases, such as children's rickets, osteoporosis and so on.

Principle: Tofu contains a lot of calcium. If it is eaten alone, its absorption rate is low, but when it is eaten together with fish that is rich in vitamin D, it can have better effects on the absorption and utilization of calcium.

Raw Squid Ring

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