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In this study, an analytical procedure for the extraction of phenolic copper complexes from two species of berries—Brazilian açaí (Euterpe oleracea Mart.) and Polish bilberry (Vaccinium myrtillus L.)—has been performed. Berries have proven to be a good source of vitamins and various nutrients, especially compounds with antioxidant capacity such as polyphenols, tocopherols, and ascorbic acid. Polyphenols...
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