Group of organic compounds (vita = life, amine = organic compound) that are mainly formed by plants. They play an important role in nutrition in traces, a deficiency leads to complaints. They are especially present in larger quantities in fresh vegetables and fruit, but only in smaller quantities in grapes compared to other fruits. These are mainly vitamin C = ascorbic acid (15 to 150 mg/l, especially much in the still green grapes) as well as various vitamins of the group B and the colouring agent rutin (formerly vitamin P, also the entire colouring agent group of flavonoids was called this). Certain flavanoids have a vascular strengthening, anti-inflammatory and antioxidant effect.
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