Microwave Extraction and Free Radical Scavenging Activity of Ablmoschus manihot (L.) Medic Seed Oil

doi:10.7506/spkx1002-6630-201012025

FOOD SCIENCE ›› 2010, Vol. 31 ›› Issue (12): 110-113.doi: 10.7506/spkx1002-6630-201012025

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Microwave Extraction and Free Radical Scavenging Activity of Ablmoschus manihot (L.) Medic Seed Oil

QIU Yan

College of Biological Science and Engineering, Hebei University of Science and Technology, Shijiazhuang 050018, China

Received:2009-10-11 Revised:2010-01-22 Online:2010-06-15 Published:2010-12-29
Contact: QIU Yan E-mail:qiuyan77@yahoo.com.cn

Abstract

Abstract:

Ablmoschus manihot (L.) Medic seed oil was extracted by microwave extraction. Through the optimization by single factor and orthogonal array design methods, the optimum conditions for Ablmoschus manihot (L.) Medic seed oil extraction were determined to be: extraction solvent, ethyl acetate; microwave power, 540 W; and liquid/solid ratio, 10:1 for an extraction duration of 3 min. Under these conditions, the maximum oil extraction yield was 25.2%. The abilities of Ablmoschus manihot (L.) Medic seed oil to scavenge hydroxyl and superoxide anion free radicals were both determined, and it presented strong hydroxyl free radical scavenging activity, with a median effective concentration (EC50) of 0.129 mg/mL. So, Ablmoschus manihot (L.) Medic seed oil appears to be a promising free radical scavenger.

Key words: Ablmoschus manihot (L.) Medic seed oil, microwave extraction, free radicals

CLC Number:

TS201.1

QIU Yan. Microwave Extraction and Free Radical Scavenging Activity of Ablmoschus manihot (L.) Medic Seed Oil[J]. FOOD SCIENCE, 2010, 31(12): 110-113.

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Microwave Extraction and Free Radical Scavenging Activity of Ablmoschus manihot (L.) Medic Seed Oil

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