Chemical composition and antioxidant activity of XAD-7 extracts from lingonberry (Vaccinium vitis-idaea L.)

Abstract

Vaccinium vitis-idaea is most commonly known as 'lingonberry' or 'cowberry’ belongs to the family Ericaceae-edible fruit. The collection of wild berries is very popular in northern, central and eastern Europe, notably in Nordic countries, the Baltic states, central and northern Europe. The berries are quite tart, so they are often cooked and sweetened before eating in the form of lingonberry jam, compote, juice, smoothie or syrup. The raw fruits are also frequently simply mashed with sugar, which preserves most of their nutrients and taste. Their consumption is strongly related to normalization of blood sugar levels, health hearth and eyes, kidney protection and lowering the risk of some types of cancers. The present study characterized and identified the most effective extract, only consisting of anthocyanins, copigments or a mixture of both, obtained from a lingonberry juice concentrate. An extract was generated by using a XAD-7 column followed by fractionation into anthocyanins and determination of antioxidant activity by cyclic voltammetry

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