The reason for eating food is very simple. Eating a lot of food with the opposite nature may lead to the following three situations:
(1) In the process of absorption and metabolism, nutrients are antagonistic and mutually exclusive, which makes one side hinder the absorption or retention of the other. Such as calcium and phosphorus, calcium and zinc, oxalic acid and iron. Another example is that tofu should not be eaten with spinach, because spinach contains more oxalic acid, which is easy to combine with calcium in tofu to form insoluble calcium salt, which can not be absorbed by human body, but has no clinical symptoms. Of course, if spinach is soaked in boiling water and destroys a lot of oxalic acid, it can also be used to make tofu and become a famous dish at home. (2) In the process of digestion, absorption or metabolism, harmful substances or poisons, such as vitamin C or foods rich in vitamin C, will be produced, which may lead to the reduction of originally non-toxic pentavalent arsenic in shrimp to toxic trivalent arsenic, thus causing certain arsenic poisoning. (3) In the body, * * * is both cold and warm, and belongs to nourishing or fire-dry food. For example, eating a large number of foods that are cold and hot, nourishing yin and strengthening yang is more likely to cause adverse physiological reactions. Food antagonism is actually a kind of food antagonism mentioned above, and then from the analysis of different chemical properties contained in various foods, it is actually because of food antagonism that the principle of food antagonism is nothing more than the following three situations:
(1) Chemical association makes some nutrients in food form substances that are not easily absorbed by human body, such as phytic acid, phosphorus, zinc, copper and iron. Forming a metal association; Fat reacts with calcium to form insoluble calcium soap. (2) Interacting and competing ligands. Mineral elements belonging to the same transport system in the metabolism of food in vivo will have antagonistic effects because of competing for ligands and different affinities with ligands. That is to say, when an element enters the body too much, another element will be excluded from the binding point of the same ligand, and the absorption of the excluded element will also be hindered. (3) Parenteral factors such as high protein inhibit the accumulation of copper in the liver; High concentration of inorganic sulfate can prevent molybdenum from permeating renal tubular membrane and limit molybdenum reabsorption, thus increasing molybdenum excretion in urine. In the process of digestion, absorption and metabolism, food antagonism will reduce the absorption and utilization rate of nutrients in food, and lead to the lack of some nutrients in the body over time, resulting in corresponding nutritional deficiency, which will further affect the normal function and metabolism of the body.
A balanced diet will prevent food from eating each other.
In a word, according to the analysis of relevant medical theories, TCM syndrome differentiation and treatment, and the symptoms of intestinal and gastrointestinal reactions of individual patients, it is not nonsense that people do eat each other in their daily diet.
However, some scholars have chosen mixed foods with more opportunities, such as peanuts and cucumbers, beef and chestnuts, honey and onions and garlic. And did animal experiments and human experiments, and the results were safe and sound.
From this point of view, as long as people pay attention to the balanced diet of thick and thin collocation, vegetarian collocation and diverse collocation in their daily diet, rather than fixed partial eclipse, partial eclipse and overeating some foods, it is generally impossible to have food cannibalism. Therefore, we can neither completely deny the phenomenon of food cannibalism, nor want to follow suit.
Today, we understand the common phenomenon of cannibalism of food and some possible restrictive factors among various foods, which is conducive to seeking advantages and avoiding disadvantages in family daily food procurement. Through scientific and reasonable dietary arrangements, the bioavailability of food nutrients in the body can be effectively improved, so that food can play a higher nutritional value in the body, thus achieving multiple goals.
Expert opinion Expert opinion-There is no such word as "incompatible foods" in the monographs of modern nutrition or related disciplines.
Professor Tang, a nutritionist at the Second Xiangya Hospital of Central South University, said that food compatibility is a statement of dietotherapy in China. There is no word "food with food" in the monographs of modern nutrition or related disciplines.
Tan, president of Hunan Medicinal Dietotherapy Research Association and an expert in nutrition, said that Chinese medicine dietotherapy theory holds that food has four flavors like Chinese medicine: cold, cool, warm, hot, salty, sour, sweet, bitter and pungent. And people's physique can be divided into cold, heat, deficiency and excess. If two foods with completely opposite eating habits are eaten at the same time, their dietotherapy effects may cancel each other out.
For example, warm hot dogs and mutton cannot be eaten with cool mung beans and watermelons; People with different constitutions will have different reactions when they eat foods with different eating habits. For example, people with spleen and stomach deficiency and cold eating cold foods such as bitter gourd, watermelon and mung bean may cause diarrhea and diarrhea. On the contrary, if people with hot constitution eat isothermal foods such as ginger, pepper and wine, it is tantamount to "adding fuel to the fire"; In addition, patients with different diseases should choose what kind of food. These are the principles that should be paid special attention to in the formula of Chinese medicine dietotherapy, which are the same as the eighteen opposites and nineteen fears in the compatibility of Chinese medicine. It also fully embodies the theoretical basis of "homology of medicine and food" in traditional Chinese medicine.
It can be seen that food compatibility is also an integral part of China's 5,000-year-old health culture, which comes from the practice of dietotherapy and the summary of life experience.
Expert opinion 2: Many rumors about food cannibalism belong to "misinformation of the truth"
Despite its theoretical basis, in ancient times, when science and technology were underdeveloped and reliable research methods were lacking, every statement or experience could not be guaranteed to be accurate, and mistakes of one kind or another would inevitably occur. Such as food toxins, food pollution, food deterioration, food allergies, overeating and excessive partial eclipse, as well as some accidental and coincidental eating problems, may be mistaken for food cannibalism.
Food allergy is a common phenomenon in diet. Modern medical research has found that food allergy is an allergic reaction, but it also belongs to food tolerance in a broad sense in Chinese medicine diet.
Professor Tang said: "There are many legends about dietary taboos among the people. For example, eating eggs together with saccharin will lead to poisoning and death; Eating tofu and honey together leads to deafness; Potatoes and bananas eat freckles together; Eating beef and brown sugar at the same time swells to death; Eating dog meat with eels will kill you; Carp and licorice will die if eaten together; Dog meat and mung beans will explode ... in fact, this is all misinformation. If the legendary result really happens, China doesn't know how many dead fools there are. "
Expert opinion 3: The nutrients of some foods will affect each other when absorbed.
Xiong Hui, a national second-class nutritionist at Hunan Nurifu Training Center, said that various nutrients or chemical components in different foods do interact with each other during the process of digestion, absorption and metabolism, thus affecting the absorption and utilization of some nutrients.
For example, tannins in tea will interfere with the absorption of iron in food, oxalic acid in spinach will reduce the absorption of calcium in food, and the absorption of calcium, phosphorus, iron and zinc in digestive tract will have a suitable ratio.
The accidental increase or decrease of a certain nutrient only temporarily breaks the balance with other nutrients, and the body can completely ensure the normal function of organs by using reserves, reducing excretion, improving metabolic efficiency and other means. Therefore, under the principle of balanced diet, healthy people can mix various foods at will.
If you have health problems, especially patients with nutritional deficiency or nutrition-related diseases, you should pay attention to avoid some unreasonable food collocation and selection, otherwise it will not be conducive to the recovery of health, but it will not lead to poisoning or death.
"You can't eat vitamin C after eating shrimp. When they meet, they will produce deadly arsenic trioxide, namely arsenic. " In Double Food, the doctor explained the cause of her husband's poisoning. After eating shrimp, taking a lot of vitamins will lead to poisoning and death. Then we usually drink freshly squeezed orange juice while eating shrimp, which means we are on the verge of death?
In an interview with reporters, Professor Tan and Professor Tang both said that eating shrimp can also eat foods rich in vitamin C, and it is even more nonsense that a normal diet can be poisoned.
China's food culture is profound, but experts also said that future generations should take its essence and discard its dross when inheriting and carrying forward the traditional health culture.
Spinach avoid tofu: Oxalic acid contained in spinach and calcium contained in tofu produce calcium oxalate condensate, which hinders the absorption of iron in spinach and protein in tofu. (Tip: If you like to eat together, you can first blanch the spinach with boiling water and remove the excess oxalic acid. Making soup with bean curd cold salad is not only incompatible, but also beneficial. )
Taboos of traditional Chinese medicine and food When cooking medicated diet, we should pay attention to the incompatibility of traditional Chinese medicine and food.
Compatibility of traditional Chinese medicine with food taboo pork: anti-dark plum, platycodon grandiflorum and coptis chinensis; Eating atractylodes makes people feel excited; Eating buckwheat makes people lose hair and suffer from wind disease; The combination of pigeon meat, crucian carp and soybean food makes people stagnate. Pig blood: avoid rehmannia glutinosa and Polygonum multiflorum; Eating soybeans can make people feel depressed. Pig heart: Avoid Evodia rutaecarpa. Pig liver: Like buckwheat and soybean paste, it makes people suffer from chronic diseases; Eating carp intestines is frustrating; Fish and fish eat together, leading to gangrene. Mutton: resistant to Pinellia ternata and Acorus calamus; Avoid copper, cinnabar and vinegar. Dog meat: anti-Phytolacca acinosa; Avoid almonds. Crucian carp: anti-magnolia; Avoid Ophiopogon japonicus, mustard and pork liver. Carp: Avoid cinnabar and dog meat. Turtle meat: avoid wine, fruit and amaranth. Eel: Avoid dog meat and blood. Sparrow meat: Avoid Atractylodes macrocephala, plums and pork liver. Duck eggs: avoid plums and mulberries. Turtle meat: Avoid pork, rabbit, duck, amaranth and eggs.