Grapes are rich in nutrients and are good for health, but some people should be careful when eating grapes because of the side effects of this fruit.
Grapes are an extremely healthy fruit, providing many different vitamins and minerals and contain high levels of fiber. Grape juice contains dozens of nutrients that work to prevent cancer and heart disease, very good support for people with asthma, anti-aging and good eyes. This fruit boosts the immune system by increasing the number of gamma delta T cells in the body.
However, it is not true that eating a lot of grapes is good for your health. Here are some people who should be careful about eating grapes because of the side effects of this fruit:
People with diseases of the gastrointestinal tract
The composition of grapes is high in fiber, which does not negatively affect intestinal activity. However, when eating too many grapes, the amount of fiber will increase. If you do not eat a lot of fiber regularly, you will find it uncomfortable to feed a large amount of fiber from grapes. When the body is unable to digest the fiber, the amount of stagnant fiber is difficult to release, which is a sign of constipation. Sometimes, fiber has the opposite effect, causing diarrhea because the body tries to discharge the fiber out.
Grapes contain relatively little calories, but about 30 grapes contain less than 105 calories. If you eat well, you can eat the same amount of calories in a meal. If you regularly eat grapes without setting your diet, the extra calories will make you gain weight.
People with peptic ulcer
In 125 mL (½ cup) grape juice contains 23-66 mg vitamin C will not be good for people with gastric ulcer. So people with this disease should limit or not eat grapes.
People with diabetes
In 100 grams of grapefruit juice will contain 10 to 12 grams of glucose and fructose easily absorbed. Therefore, when eating this fruit, blood sugar levels will rise. Therefore, if you have diabetes, limit the use of this fruit, eat as little as possible and consult with your doctor for treatment.
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People who are treating hypertension
Grape with calcium blockers slows drug metabolism. So, if you are treating for hypertension, you should be abstinent or eat less, drink less grape juice to avoid increasing the effect of uncontrolled drugs (Diltiagem, Verapamil). ACE inhibitors (benzapril, captopril) for treating hypertension also interact with potassium in grapes, so when using these drugs, you should avoid or eat less grapes.
In addition, people who are suffering from dental disease, especially people who are suffering from toothache, eat more fresh grapes or drink more grape juice will make the disease worse. People suffering from hypertension, heart transplant recipients, kidneys and corneas… should not use grapes and red grape juice.
In particular, do not eat grapes with other foods at the same time such as: milk, yogurt, seafood, white radish, beer, mineral water, melon… because they will cause abdominal pain and some other side effects.