Eating fruit before meals to lose weight and eating fruit after meals helps digestion

When is the right time of day to eat fruit?

1. Half an hour after the meal and then eat fruit: help digestion and absorption. The main components of the sugar in the fruit is fructose and glucose, no need to pass through digestion, decomposition, directly into the small intestine can be absorbed. Other starch and protein-containing foods such as rice, pasta, meat, etc., need to stay in the stomach for a period of time for digestion. If you eat fruit immediately after the meal, slow digestion of starch protein will block the digestion of fast fruit, all the food together churned in the stomach, fruit in the body at a high temperature of thirty-six or seventy degrees Celsius, resulting in a fermentation reaction and even corruption, can appear flatulence, constipation, and other symptoms, to the gastrointestinal tract to bring about adverse effects.

2. Eat fruit before meals: weight loss needs, affecting appetite and normal digestion and absorption. Studies have shown that: if you eat some fruit or drink 1 to 2 cups of juice 20 minutes to 40 minutes before a meal, you can prevent obesity caused by too many meals smoothly and painlessly. Because fruit or fruit juice is rich in fructose and glucose, can be quickly absorbed by the body to meet the body's urgent "thirst" for blood oxygen, fruit within the crude fiber can also make the stomach have a sense of fullness. In addition, eating fruits before meals can significantly reduce the demand for fatty foods, which indirectly prevents the negative consequences of excessive fat accumulation in the body.

Expert advice: fruits containing more tannins, such as persimmons, pomegranates, lemons, grapes, sour grapefruit, prunes, etc., should not be eaten with squid, lobster, algae and other protein- and mineral-rich seafood, tannins not only reduces the nutritive value of seafood proteins, but also easy to and the seafood products in the calcium, iron combined into a kind of indigestible substances, the substance can stimulate the stomach and intestines, causing nausea, vomiting, Abdominal pain. So after consuming these seafood, you should enjoy fruits after an interval of 2-3 hours.

Fruit juice after heating

Fruit fresh or juice?

Fresh fruit and freshly squeezed juice, access to vitamins, proteins, fats, sugars, trace elements and other nutrients is not much difference, but the body's essential dietary fiber in the process of fruit freshly squeezed but the loss of many. Dietary fiber has some important physiological functions, such as laxative anti-cancer, reduce serum cholesterol, reduce postprandial glucose, assist in the treatment of diabetes and so on.

Many people have the habit of juicing fruits and then heating them for drinking, which will destroy the vitamins to different degrees.

The elderly and infants due to chewing function is not good, fresh fruit juice is very suitable for consumption, but it is best to juice the remaining solid residue together with eat, so that the nutrients will not have any loss. Children in the milk teeth out of the whole, should eat some rich in fiber, have a certain hardness of the fruit, in order to increase the chewing force, to promote the development of the dental bed, jawbone and facial bone, drink juice easy to make the children's teeth lack of exercise, teeth alignment is not neat, the upper and lower teeth bite dislocation, is not good for health.

Imported and domestic fruit: nutrition is almost

Imported fruit is not more nutritious than domestic fruit?

At present, there are more than a hundred kinds of foreign fruits in the fruit market, consumers are more familiar with the raisin, snake fruit, U.S. navel oranges, crystal pears, kiwi fruit, lemons, mangoes, longan, dragon fruit and so on. Imported fruits in the nutritional composition of the same kind of domestic fruit with little difference, but in the appearance, texture, taste and the same kind of domestic fruits have certain differences.

such as the U.S. navel orange, originating in the United States, Australia, similar to Chongqing Fengjie navel orange, a larger head, eat up the feeling of sufficient moisture, crisp and sweet; but the skin is rough, not as smooth as the domestic navel oranges, fiber is thicker than domestic navel oranges, less delicate; crystal pears originating in Japan, Hebei, Crystal Pear, although only a word difference, but the appearance, taste is very different. Crystal pear head larger, hold in the hand has a feeling of falling, deep yellow. Crystal pear is unique in that its shape is not like a pear but like an apple round, eat especially crisp.

Will the nutritional content of refrigerated fruits be reduced?

Put fresh fruit into the refrigerator for storage, the temperature in the freezer is about 0-10 ℃, can maintain the quality and flavor of the fruit, so that the freshness of the fruit to be extended. But not all fresh fruit is suitable for refrigeration, and refrigeration of fruit should also pay attention to its refrigeration period. Such as bananas, the optimal storage temperature of 13.3-14.4 ℃, the temperature is too low will produce low-temperature disease, bananas on the black; watermelon cut by a long time after refrigeration, melon flesh surface to form a film, the cold is absorbed by the melon flesh, a large number of eating too long refrigeration watermelon will hurt the spleen and stomach, causing laryngitis; children's digestive function is poor, eat more refrigerated fruits easy to cause anorexia, abdominal pain, Diarrhea and other symptoms; general peach refrigeration period of 5 days, grapes 7 days, strawberries 2 days.

Expert advice: It is best to maintain a daily intake of fruit.

Gastric and duodenal ulcer patients, if too much stomach acid, it is not advisable to eat plums, hawthorn, prunes, lemons and other fruits containing more organic acids;

Patients with myocardial infarction should not consume apples, persimmons, lotus seeds, etc. containing more tannic acid fruits, so as not to produce a stronger astringent effect, aggravate constipation, resulting in recurrent episodes of the disease; patients with heart disease and edema, it is not advisable to eat Patients with heart disease and edema should not eat watermelon, coconut and other fruits that contain more water, so as not to increase the burden on the heart as well as aggravate edema;

Diabetic patients should eat less sugar-containing pears, apples, bananas, lychees, cinnamon, jujubes, watermelon and other fruits, such as eating 1,000-2,000 grams of watermelon at a time, which is equivalent to increasing the amount of watermelon in the short term by 50-100 grams of sugar. grams of sugar; nephritis, hypertension and other diseases of patients should not eat more bananas;

Hepatitis patients eat more oranges and jujubes and other fruits containing more vitamin C, is conducive to the treatment and recovery of hepatitis;

Frequently dry stools, you can eat more peaches, bananas, oranges, etc., because these fruits have a slow down the role of persimmons, persimmon with a large number of persimmon gum, eat more can aggravate constipation; frequent diarrhea, do not eat more fruits that have a slow down the role of the fruit. Eat a lot of fruits that have the effect of slowing down. You can eat some apples, because apples have the effect of astringency.

In Britain, there is such a saying: "The morning fruit is gold, noon to 3 p.m. is silver, 3:00 to 6:00 p.m. is copper, 6:00 p.m. is lead."

The fresh explanation for this is: "Strictly speaking, it doesn't matter when the fruit is eaten. But for people who can't eat breakfast, it's easy to eat fruit, and fructose can be converted to heat in a short period of time, giving the body the necessary energy supplement. In addition to this, fruits also provide vitamins and minerals. In addition, fruits picked in the morning when temperatures are cooler stay fresher for longer. With higher temperatures in the middle of the day, there is a possibility that the nutrients of the fruit may be partially absorbed by the trunk of the tree, so it is better to pick the fruit in the morning."