"Eat grapes do not spit grape skins, do not eat grapes..." etc., etc. ? Looking at the grape skin in my hand, I was deeply involved in thinking.
Do grape spit do not spit grape skin? Let us first look at what the grape skin is.
As the name suggests, grape skins are the epidermis of grapes. Friends who have eaten grapes should all know that the skin inside the grape skin is the sweetest, and many friends still have to spit it out by chewing. Nowadays, because of advanced technology, we know that deep purple fruits are mostly rich in anthocyanins. The darker the color, the more anthocyanins are. The anthocyanins in grape skins are many times those in grape pulp.
The earliest and most abundant anthocyanin was grape skin red pigment extracted from red grape residue. It was marketed in Italy in 1879. The pigment can be extracted from the grape wine residue-wine residue. Research shows that: Anthocyanins are the most potent antioxidants discovered by humans today, and they are also the most potent free radical scavengers. The antioxidant properties of anthocyanins are 50 times higher than VE and 20 times higher than VC.
Of course, in addition to anthocyanins, grape skins are also rich in tannic acid, can help allergies and delay aging; grape skins are also rich in resveratrol, have anti-cancer, protect cardiovascular and anti-aging effects. As such, the nutrition of grape skins is very high, which is why many people think that eating grapes should not spit out grape skins.
However, in addition to nutrition in the grape skin, there is a problem. Artificially grown grapes, it is almost impossible to use pesticides, there is a problem of pesticide residues, in fact, this problem can be solved by proper cleaning methods.
How can we clean the grapes so that we can eat nutritious grape skins with more peace of mind?
First, use a pair of scissors to separate the grapes one by one. Rinse with clear water. Be careful not to break the peel when cutting it down. You should leave a little fruit and avoid contamination of the flesh during cleaning.
The washed grape is then placed in a pot, and the water is added with a little salt and flour and gently kneaded by hand.
Finally, drain the rubbed grapes and rinse them again with water to give them peace of mind.
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