Nutritional benefits of different colored grapes

　　Grape It is a common fruit in daily life. The effects of sour and sweet grapes are different. So what are the nutritional effects of common red grapes?

　　Red grapes soften blood vessels

　　Common varieties: "Red Grape".

　　Red grapes contain reverse enzymes, which can soften blood vessels, activate blood circulation and remove blood clots, and prevent thrombosis. Cardiovascular patients should eat more. Studies have shown that this enzyme protects the heart by slowing the buildup of cholesterol in artery walls and is therefore beneficial in preventing cardiovascular disease and stroke.

　　Red grapes have new effects

　　Recently, a new study announced at the 2015 Annual Meeting of the American Society of Pharmacology and Experimental Therapeutics found that eating red grapes and drinking red wine can help relieve symptoms of depression.

　　In a new study, Susan Wood, assistant professor at the University of South Carolina School of Medicine, and her colleagues found that resveratrol, the key active substance in red grapes and red wine, not only has anti-free radical, anti-oxidant, anti-aging, cardiovascular protection, etc. healthy efficacy and can also relieve depression.

　　Researchers put a group of rats together with an aggressive "king rat." As a result, some rats developed depressive behaviors and were more likely to become angry. Researchers injected resveratrol into experimental rats. The results showed that the rats' angry behavior was suppressed and their depressive symptoms were greatly alleviated.

　　Experts say the results of this new study are also of great significance for the development of new drugs to prevent depression.

　　The nutritional and medicinal values ​​of grapes of other colors also vary:

　　Sour grapes promote fluid and digestion, while sweet grapes nourish qi and blood. The variety and maturity of the grapes will affect the taste, making some grapes more sour and some more sweet. High temperatures in summer can lead to disorders of metabolism, endocrine, and body temperature regulation. Eating grapes with a sour taste can produce fluids and quench thirst, strengthen the stomach and digest food, and can relieve dry mouth and loss of appetite. Grapes with a sweet taste are relatively effective in replenishing qi and blood, and nourishing the liver and kidneys. Regular consumption can relieve the symptoms of weak qi and blood, cough due to lung deficiency, palpitations, and night sweats.

　　Purple grapes prevent aging

　　Common varieties: "Kyoho" and "Rose Xiang".

　　Purple grapes are rich in anthocyanins and flavonoids, both of which are powerful antioxidants that can fight and eliminate free radicals in the body. Therefore, it has a significant effect in preventing aging. It can not only reduce skin Wrinkles can also be alleviated elderly Degeneration of vision.

　　Black grapes relieve fatigue

　　Common varieties: "Heiti".

　　Eat black grapes regularly nerve It is of great benefit in cases of weakness and excessive fatigue. The content of potassium, magnesium, calcium and other minerals in black grapes is higher than that in grapes of other colors. Most of these mineral ions exist in the form of organic acid salts, which play an important role in maintaining the body's ion balance and can effectively fight fatigue.

　　White and green grapes nourish lung qi

　　Common varieties: "Xinjiang mare's milk grape" and "seedless white grape".

　　White-green grapes are also called colorless grapes. They are green when unripe and turn white when ripe. Traditional Chinese medicine has a saying that "white enters the lungs" and "the lungs control the skin". It is believed that white grapes can nourish lung qi and have the effect of moisturizing the lungs. They are suitable for coughs and respiratory diseases. disease and people with poor skin color.

　　What needs to be reminded is that excessive fatigue, physical fatigue, anemia For patients, it is suitable to eat grapes frequently; often constipate People with spleen and stomach deficiency and diabetes should not eat more.