Beerenextrakte in Nahrungsergänzungsmitteln

Zusammenfassung

Zubereitungen aus verschiedenen Beeren werden als Nahrungsergänzungsmittel mit unterschiedlichen »Health Claims« vermarktet, wobei die Effekte der enthaltenen Anthocyane und Proanthocyanidine hervorgehoben werden. Ein Vergleich der Präparate ist gegenwärtig aufgrund fehlender Vorgaben für die Deklaration und Problemen bei der Analytik der Polyphenole praktisch unmöglich. Diese Übersicht fasst Möglichkeiten für eine einheitlichere Erfassung der Inhaltsstoffe ausgewählter Beeren zusammen, um Ärzten, Apothekern und Konsumenten mehr Transparenz zu bieten.

Summary

Berry extracts in food supplements: tricky analysis of anthocyanins and proanthocyanidins for a proper declaration

Food supplements containing extracts from berries are marketed with different health claims underlining the effects of the anthocyanins and proanthocyanidins. Comparison of the products is almost impossible due to incomplete declarations and problems in the analyses of polyphenols. This overview compiles possibilities for a more uniform determination of these compounds in selected berries, which could provide better transparency to physicians, pharmacists and consumers.

Schlüsselwörter

Preiselbeere - Cranberry - Schwarze Holunderbeere - Kahle Apfelbeere - Schwarze Johannisbeere - Heidelbeere - Anthocyane - Proanthocyanidine - Analytik

Keywords

Lingonberry - cranberry - elderberry - chokeberry - black currant - bilberry - anthocyanins - proanthocyanidins - analytics

1 Gekürzte und aktualisierte Fassung der englischsprachigen Erstpublikation: Krenn L, Steitz M, Schlicht C, Kurth H, Gaedcke F. Anthocyanin- and proanthocyanidin-rich extracts of berries in food supplements – analysis with problems. Pharmazie 2007; 62: 803–812

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1 Gekürzte und aktualisierte Fassung der englischsprachigen Erstpublikation: Krenn L, Steitz M, Schlicht C, Kurth H, Gaedcke F. Anthocyanin- and proanthocyanidin-rich extracts of berries in food supplements – analysis with problems. Pharmazie 2007; 62: 803–812

2 Die Früchte des Holunders sind eigentlich Steinfrüchte und jene der Apfelbeere Sammelbalgfrüchte.