Not everyone thinks about why slagging occurs in the body. And often the fault lies with the person himself. By consuming food that takes different times to be digested, a person consciously loads the body with unnecessary and sometimes dangerous work. Food that has not had time to be digested remains in the intestines for a long time, and the process of rotting occurs. To prevent such situations from happening, and to take more care of your health, doctors, together with nutritionists, wrote a summary. The name corresponds to the content - how much food is digested in the human stomach table. Let's take a closer look at the table.
Rules for good digestion
For favorable digestion, the following rules should be taken into account:
- Create a menu so that dishes included in one meal have approximately the same processing time. For example, you should not mix potatoes and pork. Their disposal time is 1 and 5-6 hours, respectively. By eating food in this way, a person puts additional stress on the stomach. This is what the concept of separate nutrition does.
- Add vegetable oil and butter if absolutely necessary. These products envelop food lumps, which slows down the stay of food in the stomach several times: a thin layer of oil makes it difficult for natural enzymes and gastric juice to process food.
- It is not recommended to drink food with milk. Fermented milk products change the acid-base balance towards alkali. The acid level decreases - food is processed more slowly. Long-stay food begins to ferment, causing undesirable consequences: accumulation of gases, discomfort and abdominal pain.
- Food should be chewed as long as possible. Ideally, make 20 chewing movements with your jaw. This will crush the food, make it easier to pass through the esophagus and be processed faster by enzymes. You should not swallow large and unchewed pieces of food - this will lead to discomfort in the esophagus and delayed digestion.
- Any dish should be consumed warm, but not hot.
- You should not read and eat at the same time. Reading is a complex psychophysiological act that requires resource expenditure from the brain. During reading, a dominant is formed in the cortex - a dominant focus of excitation; therefore, the nervous system “pays” less attention to digestion.
Subtleties of eating
Foods must be consumed in the correct sequence, taking into account their digestion time. If you eat fruit immediately after a meat dish, unpleasant sensations cannot be avoided. The main meal will not allow the fruit to pass first into the intestines until it is digested, so the fruit will begin to ferment and cause bloating in the stomach area.
Kilograms of rot in the intestines cannot but affect your health. A person who does not observe the time intervals necessary for complete digestion of food dooms himself to illness and poor health, which ultimately affects a person’s life expectancy.
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Factors affecting digestion
Digestion is affected by the following factors:
- the mood for eating, the external attractiveness of the dish, its smell and the conditions under which a person eats; environment and company, accompanying music;
- health of the digestive organs: with gastritis, ulcers or pancreatitis, food will break down more slowly;
- state of intestinal microflora;
- functioning of hormonal systems: adequate release of gastrin, secretin, cholecystokinin, motilin and glucose-dependent peptide. All these hormones ensure the chain of the digestive process: from the moment a person sees food to the act of defecation.
- rationally composed menu;
- presence of natural hunger;
- individual need for products: if you eat buckwheat for a whole week, on the eighth day you will develop a disgust for it;
- Sequence of meals: traditionally start with the first course and end with dessert. It is not recommended to eat sweets first: the level of satiety is assessed by the body by the level of glucose in the blood.
- matching food and person: adjusting the menu in relation to gender, age, health status, body weight;
- degree of product readiness. Vegetables, fruits and berries - their ripeness;
- compliance with hygienic standards of food: mechanical and thermal processing;
- food temperature;
A successful meal depends on the psychological mood. For example, a person in a bad mood digests food more slowly than someone in a good mood. This is due to the relationship between the cerebral cortex and the state of the peripheral nervous system.
Role of the liver
An important role in the process of digestion in the human body (we will briefly mention this) is played by the liver, in which bile is formed. The peculiarity of the digestive process in the small intestine is due to the assistance of bile in emulsifying fats, absorbing triglycerides, activating lipase, also helps stimulate peristalsis, inactivate pepsin in the duodenum, has a bactericidal and bacteriostatic effect, increases hydrolysis and absorption of proteins and carbohydrates.
Bile does not contain digestive enzymes, but is important in the dissolution and absorption of fats and fat-soluble vitamins. If bile is not produced enough or is secreted into the intestines, then the processes of digestion and absorption of fats are disrupted, as well as an increase in their excretion in their original form with feces.
Features of hot and cold food
It is not recommended to eat cold food. It inhibits processing by the stomach and other digestive organs. Cold food leads to increased gas formation and stomach upsets. The only possible time is lunch. For breakfast and dinner, chilled food is excluded.
In newborns, eating cold food can cause inflammation of the tonsils. They increase in size and hurt. The clinical picture is accompanied by fever and headaches.
Cold water is absorbed faster, and the body spends little energy heating it. Warm drinking speeds up the overall food processing process.
A warm dish means the temperature of the food that does not cause discomfort during chewing or cause burns. Norm: from 360 to 380 C. Warm food has advantages in almost all respects: the speed and quality of processing the food bolus, the degree of absorption of nutrients and the absence of consequences. Warm food takes up to 3 hours to digest, which is normal for the stomach.
Do not eat hot food. Food above 400 C complicates primary processing in the oral cavity and secondary processing in the stomach. Hot liquids coat the mucous membrane of the mouth and esophagus, making further food intake difficult.
Participation of the stomach in the digestive process
The stomach is a hollow reservoir with a volume of about half a liter, capable of stretching up to 4 liters when filled with food and liquid. The anatomical components of the organ include four conventional zones:
- cardiac (at the junction of the stomach and esophagus);
- the upper (fornix), equipped with glands that produce gastric juice;
- central (body), intended for temporary storage and breakdown of food;
- pyloric (pylorus), connects the stomach to the duodenum using the pyloric valve.
The shell of a hollow organ consists of four layers. The walls of the stomach are lined with an epithelial layer of mucosal cells in contact with food. The epithelium protects the organ from physical or toxic influences and transfers fluid to the blood.
Next comes the submucosal layer - connective tissue, in which venous, lymphoid and nerve accumulations are located. The upper muscular layer of the stomach moves food along. The outer serous membrane (peritoneum) protects the organ from external damage. The stomach digests incoming food with the help of secreted juice and clear muscle contractions.
The influence of age and gender on duration
Aging is associated with a slowdown in digestive processes. Elderly people acquire atrophic gastritis, the acidic gastric environment decreases, the mucous membrane of the organ smoothes out - the area of the digestive areas of the stomach decreases. Aggressive factors begin to prevail over protective ones - an ulcerative defect is formed.
The functioning of the immune system deteriorates, the gastrointestinal tract is more susceptible to infectious agents, the likelihood of disease increases, which also worsens food processing. In old age, the synthesis of pancreatic enzymes and the secretion of bile decreases - the breakdown of food slows down.
There is no actual data on the relationship between gender and the duration of digestion. However, there are indirect reasons. The state of the nervous system of women is more determined by emotions than of men. Emotional shocks, stress - this leads to activation of the sympathetic part of the nervous system, when the initiation of digestion is the task of the parasympathetic system.
Minor factors influencing the processing process
These facts include:
- Smoking. Nicotine impairs blood flow to the stomach, the enzyme systems that process food work worse - food utilization slows down. In addition, chronic smokers have a dull sense of smell and taste: the brain receives fewer signals about the quality parameters of food, and the pleasure of eating food decreases. As a result, fewer enzymes are released.
- Alcohol, namely: the amount of alcohol. In small doses, wine promotes blood flow to the digestive organs; in large doses, this process is dulled.
- Stress. Nervous tension dulls appetite and promotes the outflow of blood from the stomach and intestines. Chronic stress also causes the death of normal microflora, causing dysbiosis.
- Passive lifestyle.
- Worms.
- The presence of a large number of seasonings in dishes and their processing: spicy, spicy, overly salty, fatty and overcooked foods.
- Frequent consumption of fast food and chips.
How to calculate the digestion time of foods
In order to calculate how long it will take to process food, you should divide the menu into individual dishes, study the table of time for digestion of food in the stomach, then add up the indicators and divide them by the total number of dishes. For example, the menu consists of buckwheat, eggs, chicken and fruit juice.
Buckwheat takes 120 minutes to digest, egg – 45 minutes, chicken – 180 minutes, fruit juice – 20 minutes. 120+45+180+20=365 minutes. We divide the total amount of time by the number of dishes: 365/4 = 91.25 minutes. As a result, we get 1.5 hours - the time it will take to digest the compiled menu. It should be remembered that these figures are arbitrary, and each person has individual stomach performance indicators.
Purchase recommendations
Let's say you often buy a fruit like banana. You know how much it is digested in the stomach, but you don’t know how to choose a product so as to make the digestive process easier for your body. To do this, follow these rules:
- Choose fruits that are definitely not overripe.
- Don't buy green bananas.
- Do not buy bananas whose peels are damaged.
How long it takes a banana to be digested in the stomach also depends on these factors, since eating a low-quality product leads to slow digestion, heartburn and bloating.
Food digestion table
| Water | immediately enters the intestines |
| Fruit juices | up to 20 minutes |
| Vegetable broth | up to 20 minutes |
| Grapes, orange and grapefruit | up to 30 minutes |
| Vegetable salads without oil and raw vegetables | up to 40 minutes |
| Fruits and dried fruits: pear, peach, apple | 40 minutes |
| Boiled egg | 45 minutes |
| Sauerkraut | 45 minutes |
| Roots | up to an hour |
| Fish | 60 minutes |
| Starchy vegetables | up to 120 minutes |
| Beans | 120 minutes |
| Porridge | 120 minutes |
| Bread and bakery products | 120 minutes |
| Fermented milk products: kefir, milk | 120 minutes |
| Poultry meat | up to 180 minutes |
| Nuts | 180 minutes |
| Beef | 4 hours |
| Mutton | 4 hours |
| Pasta | Up to 5 hours |
| pork | up to 6 hours |
In the table of time for digestion of food in the human stomach, all indicators are conditional and may deviate from the given figures.
