Content Determination and Antioxidant Activity Evaluation of Usnic Acid in Ramlina sinesis Jatta

doi:10.7506/spkx1002-6630-201019031

FOOD SCIENCE ›› 2010, Vol. 31 ›› Issue (19 ): 150-152.doi: 10.7506/spkx1002-6630-201019031

• Basic Research • Previous Articles Next Articles

Content Determination and Antioxidant Activity Evaluation of Usnic Acid in Ramlina sinesis Jatta

Tugunay TURSUN，Reyim MAMUTI，Adilijiang，Abdulla ABBAS*

College of Life Science and Technology, Xinjiang University, Urumqi 830046, China

Received:2010-06-10 Online:2010-10-15 Published:2010-12-29
Contact: Abdulla ABBAS E-mail:abdulla@xju.edu.cn

Abstract

Abstract:

In this study, usnic acid in Ramalina sinesis Jatta growing in August First forest farm, Tianshan mountain area, Xinjiang autonomous region was extracted with ethyl acetate by reflux extraction for content determination by HPLC and antioxidant activity evaluation by reducing power and hydroxyl free radical scavenging assays. The content of usnic acid in Ramalina sinesis Jatta was 18.32%, and usnic acid derived from Ramalina sinesis Jatta had interesting reducing power and hydroxyl free radical scavenging capacity (with vitamin C as the control).

Key words: Ramalina sinensis Jatta, usnic acid, HPLC, antioxidant activity

CLC Number:

TS254.58

Tugunay TURSUN，Reyim MAMUTI，Adilijiang，Abdulla ABBAS*. Content Determination and Antioxidant Activity Evaluation of Usnic Acid in Ramlina sinesis Jatta[J]. FOOD SCIENCE, 2010, 31(19 ): 150-152.

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Content Determination and Antioxidant Activity Evaluation of Usnic Acid in Ramlina sinesis Jatta

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