According to the determination, besides water, grape berries also contain about 15% ~ 3% sugars (mainly glucose, fructose and pentose), various organic acids (malic acid, tartaric acid and a small amount of citric acid, succinic acid, gallic acid, oxalic acid and salicylic acid) and minerals, as well as various vitamins, amino acids, protein, carbohydrates, crude fiber, calcium and phosphorus. Especially, modern medicine has found that grape skins and grape seeds contain resveratrol, an antioxidant, which has positive preventive and therapeutic effects on cardiovascular and cerebrovascular diseases. Eating more grapes, drinking grape juice and drinking wine in moderation are very beneficial to human health. Postpartum women can eat grapes or drink some wine after meals, which can not only help blood circulation, but also increase hemoglobin in their bodies.
ancient medicine in China also recorded the medicinal use of grapes. Grape is sweet, sour and flat, enters the lung, spleen and kidney meridians, and can tonify qi and blood, strengthen bones and muscles, dredge meridians, relieve stranguria, reduce swelling, facilitate urination, nourish kidney and benefit liver. Grape roots and leaves are also Chinese herbal medicines. Grapes are prone to diarrhea and should not be overeated. Medically, it has the functions of tonifying kidney, strengthening waist, nourishing spirit and nourishing blood, lowering blood pressure and stimulating appetite, especially in preventing and treating neurasthenia, stomachache and abdominal distension, cardiovascular diseases and so on. Herbal Medicine in Southern Yunnan says "invigorating qi and blood, relaxing tendons and activating collaterals". "The Illustration of Herbal Medicine in Southern Yunnan" says that the treatment of acne is toxic, and the fetal qi is rushed up, and the decoction is drunk immediately. Materia Medica Rejuvenates says it warms the stomach and strengthens the spleen. "Living with Interest Diet Spectrum" holds that it "tonifies qi, nourishes kidney fluid, benefits liver and yin, strengthens bones and muscles, quenches thirst and prevents miscarriage". "Luchuan Materia Medica" records: "Nourish and strengthen, replenish blood, strengthen the heart and diuresis, treat low back pain, stomach pain, mental fatigue, blood deficiency and heartbeat." Grape has a high iron content, which is of great benefit to people with iron deficiency anemia and is an auxiliary measure for treatment.
Grape juice, seeds and skins are all rich in strong antioxidant substances, such as resveratrol and flavonoids, and their contents in skins and seeds are better. Resveratrol and flavonoids have thrombolytic and anticoagulant effects of aspirin, and can prevent ischemic stroke, such as cerebral infarction and cerebral thrombosis.
However, although grapes are good health products with excellent medicine and fruit, Chinese medicine believes that they are cold and cold, so they should be avoided when spleen and stomach are not harmonious and diarrhea occurs due to deficiency and cold.
eat grapes scientifically
when eating grapes, we usually spit out the skins. As everyone knows, grape skin is a good medicine. Scientific research has found that grape skin contains a chemical substance called resveratrol, which can prevent normal cells from canceration and prevent skin cancer in mice, indicating that this substance has good anti-cancer and anticancer effects. In addition, researchers in Brazil have found that grape skin also contains a component that can lower blood pressure, which has good antihypertensive and anti-atherosclerosis effects. It can be seen that the scientific way to eat grapes should be to eat them with skin, especially for elderly friends. Eating grapes often is good for health and longevity. Wash the peel when eating.