Optimization of Microwave-Assisted Extracting of Proanthocyanidins from Purple Cabbage and Evaluation of Antioxidant Activity In Vitro

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A central composite rotatable design combined with response surface methodology was employed to study the effect of microwave assisted extraction (MAE) conditions namely microwave power, extraction time, liquid-solid ratio and ethanol proportion on the proanthocyanidins extraction from purple cabbage. The optimum extraction conditions were as follows: microwave power, 260 W; extraction time, 54s; liquid to solid ratio, 43; and ethanol concentration, 57%. The results showed proanthocyanidins had a significant effect on scavenging of DPPH radicals. At last, proanthocyanidins were identified by thin layer chromatography.

Info:

Periodical:

Advanced Materials Research (Volumes 490-495)

Edited by:

Ran Chen and Wen-Pei Sung

Pages:

3500-3504

DOI:

10.4028/www.scientific.net/AMR.490-495.3500

Citation:

S. L. Li et al., "Optimization of Microwave-Assisted Extracting of Proanthocyanidins from Purple Cabbage and Evaluation of Antioxidant Activity In Vitro", Advanced Materials Research, Vols. 490-495, pp. 3500-3504, 2012

Online since:

March 2012

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$38.00

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