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Use of anthocyanin analysis for detection of berry juice adulterations

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Stoj A., Targonski Z., Malik A.

Acta Scientiarum Polonorum. Technologia Alimentaria

2006

tom 05

nr 1

Chromatographic profiles of anthocyanins in authentic and adulterated black currant and raspberry juices were compared in this paper. HPLC apparatus with DAD detector was used for separation of anthocyanins. Analysis of adulterated juices required optimization of elution conditions. Two types of eluents were applied at gradient: A - 4.5% formic acid and B - 100% acetonitrile. There was detected 30%, 20% and 10% addition of strawberry to raspberry and black currant juices on the basis of pelargonidin-3-glucoside content. Cyanidin-3-xylorutinoside indicated the 30%, 20% and 10% addition of red currant to raspberry and black currant juices. Anthocyanin analysis is an effective method for detection of berry juice adulterations.

Ograniczanie wyników

1 Acta Scientiarum Polonorum. Technologia Alimentaria

1 Malik A.

1 Stoj A.

1 Targonski Z.

1 2006

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Use of anthocyanin analysis for detection of berry juice adulterations