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Antioxidant activity in yellow and purple-fleshed potatoes cultivated in different climatic conditions

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Hamouz K., Lachman J., Dvorak P., Hejtmankova K., Cepl J.

Zeszyty Problemowe Postępów Nauk Rolniczych

2008

tom 530

In precise field trials on three locations in the Czech Republic the impact of yellow, red and purple-fleshed potato cultivars in the years 2006 and 2007 was investigated as well as the effect of location conditions on antioxidant activity (AA) of tubers (expressed by ABTS assay in mg ascorbic acid 100 g⁻¹1 FM). The highest AA was determined in the darkly purple-fleshed cv. Violette (95.4 mg ascorbic acid·100 g⁻¹ FM). In the purple and red-fleshed cultivars, AA was on the average 2.9 times higher as compared to yellow-fleshed cultivars. Significant AA differences between purple and red-fleshed cultivars were found; the cultivars of the highest total anthocyanin content (TAC ranged from 18.6 to 64.1 mg·100 g⁻¹ FM) were reaching the highest AA values. The obtained results did not prove the impact of location on AA of tubers.

Ograniczanie wyników

1 Zeszyty Problemowe Postępów Nauk Rolniczych

1 Cepl J.

1 Dvorak P.

1 Hamouz K.

1 Hejtmankova K.

1 Lachman J.

1 2008

Wyniki wyszukiwania

Antioxidant activity in yellow and purple-fleshed potatoes cultivated in different climatic conditions