Grapes are a fruit that is loved by many people. Not only delicious and suitable for many ages, but grapes also have many golden effects on our health.
Based on color, we can divide grapes into 3 main categories: red grapes, green grapes and black grapes (blue). Each grape contains vitamin C that boosts the immune system, simple sugars that provide instant energy and anti-inflammatory antioxidants. You can enjoy this fruit in many ways, from fresh to salad, juicing. Alternatively, you can also use raisins or wine made from grapes.
Grapes were first planted nearly 8,000 years ago in the present-day Middle East. You may be surprised to learn that this beautiful little fruit is grown widely around the world with a volume of up to twelve million tons per year. Most of them are used for winemaking purposes. On average, about 7.2 trillion gallons of wine are produced each year.
The variety in flavor and variety has made grapes one of the most popular foods in most countries of the world. Previous studies relating to the prevention of cancer, heart disease, high blood pressure and constipation have shown that eating grapes has many potential health benefits to cure these diseases.
Commercially, many grape varieties are grown for different purposes and made into various grape foods that we can eat as fresh or dried grapes (raisins, grapes, sultana) or in the production of wine production.
Anatomy of a grape
Each grape contains succulent flesh inside the smooth crust. Some grape varieties have edible seeds, while others have no seeds. The color of grapes is determined by polyphenolic pigments. Red or purple fruits are high in anthocyanins while green fruits are due to the high amount of tannins, especially catechins. Interestingly, the antioxidant compounds of grapes are mainly concentrated in the skin and seeds.
The three most important grapes grown in popularity around the world are the European grape (Vitis vinifera), North American grape (Vitis labrusca and Vitis rotundifolia) and French hybrid grape.
Nutritional ingredients in grapes
To calculate the nutritional composition of grapes, people usually consider a serving size of a cup, including 12 fruits. This is the equivalent of a fist in your hand.
One cup of red or green grapes contains:
- 104 calories;
- 1.09g of protein;
- 0.24g of fat;
- 1.4g of fiber;
- 4.8 mg of vitamin C;
- 10 mcg of vitamin A;
- 288 mg of potassium;
- 0.54 mg of iron;
- 3 mcg of folate.
Grapes contain high water content, so eating grapes is also a way for you to stay hydrated. Each cup of grapes contains up to 70 ml of water. Most fruits and vegetables contain high amounts of water also contain many nutrients. They provide a large amount of essential nutrients while being low in calories.
Studies have shown that people who eat grapes and use grape products eat better and the body synthesizes nutrients many times more efficiently than those who don’t.
1. Against cancer
Grape skin contains 50-100 micrograms of resveratrol – an anti-cancer agent capable of finding and killing cancerous cells. Therefore, eating grapes regularly has the effect of lowering cholesterol in the blood, helping to protect the stable blood vessel walls and preventing germs of cancer very effectively.
2. Aids in detoxification for the body
This is also one of the golden benefits of grapes for our health. Thanks to the abundance of water, potassium and fiber, grapes aid in digestion. Not only helps the process of blood regeneration in the body but grapes also greatly contribute to the liver in the elimination of toxins from the body.
3. Support weight loss
A lot of people think sweet grapes should not be suitable for people who are on a diet or want to lose weight. But in reality, this is a misconception. A study in the US shows that eating grapes or drinking grape juice regularly can help fat people lose weight.
The reason is that the content of insulin – a substance that helps metabolize sugar in grapes is low, making the amount of sugar metabolized in the body not high, while helping you feel fuller for longer, less hungry, so it is easy to lose weight OK.
4. Prevention of anemia
Grapes contain a lot of glucose, calcium, phosphorus, iron, vitamins, amino acids … These substances are essential to enhance the health and replenish blood for the body of the elderly, pregnant women, and others. frequent fatigue due to anemia.
5. Help to sleep better
Grapes are also the fruit that health experts recommend that those who lose sleep or sleep well should add regularly to the daily menu.
Scientists have tested extracts from eight grapes and found that this fruit has significant levels of melatonin, melatonin, which helps to regulate the body’s sleep cycles and biological wake. Thereby, they draw the conclusion that when you drink a 200ml glass of grape juice / or eat a bunch of grapes 300g half an hour before bed, you will feel sleepy and sleep will come easier. Grape wine has similar results.