There are a few thousand kinds of grapes with very different chemical composition.
Grapes are 65-85% water, 10-33% sugar (glucose and fructose), phlobaphene, gallic acid, silic ic acid, quercetine, anin, glucosides - mono delphinidin and delphinidin, fruit acids, like apple acid, salicilic acid, phosphoric acid, lemon acid, amber acid, formic acid and a little bit of oxalic acid, pectins, tannic substances, salts of potassium, magnesium, calcium, manganese, cobalt, iron and vitamins B1, B2,В6, В12, А, С, Р, РР, K, folic acid and enzimes.
Grapes are 65-85% water, 10-33% sugar (glucose and fructose), phlobaphene, gallic acid, silic ic acid, quercetine, anin, glucosides - mono delphinidin and delphinidin, fruit acids, like apple acid, salicilic acid, phosphoric acid, lemon acid, amber acid, formic acid and a little bit of oxalic acid, pectins, tannic substances, salts of potassium, magnesium, calcium, manganese, cobalt, iron and vitamins B1, B2,В6, В12, А, С, Р, РР, K, folic acid and enzimes.
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