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Antioxidant properties of natural components from Salvia plebeia on oxidative stability of ascidian oil

Paper ID Volume ID Publish Year Pages File Format Full-Text
36082 45120 2006 6 PDF Available
Title
Antioxidant properties of natural components from Salvia plebeia on oxidative stability of ascidian oil
Abstract

Six compounds hispidulin-7-glucuronide (1), β-sitosterol (2), conferyl aldehyde (3), 2′-hydroxyl-5′-methyoxybiochanin A (4), and hispidulin-7-O-d-glycoside (5), 6-methoxyluteolin-7-glycoside (6) were isolated from Salvia plebeia and identified by UV, IR, Mass, 1H and 13C NMR spectra. Their antioxidant activities were investigated individually and compared with α-tocopherol by the oxidative stability instrument (OSI) at 40 °C. The oils extracted from Styela clava and Ciona intestinalis Linnaeus with supercritical fluid (SCF) CO2 and ethyl acetate, respectively, were used as substance oils, which were rich in polyunsaturated fatty acids (PUFA), especially in the long chain PUFA icosapentaenoic acid (EPA, 20:5n − 3) and docosahexaenoic acid (DHA, 22:6n − 3). β-Sitosterol, 2′-hydroxyl-5′-methyoxybiochanin A and 6-methoxyluteolin-7-glycoside exhibited strong antioxidant activities, which increased markedly with increasing concentration, and even stronger than α-tocopherol. The results indicate that the components extracted from S. plebeia should preserve the quality of ascidian oil from ascidian oxidative deterioration.

Keywords
Salvia plebeia; Ascidian; Oil; Antioxidant activity; Fatty acid
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Antioxidant properties of natural components from Salvia plebeia on oxidative stability of ascidian oil
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Publisher
Database: Elsevier - ScienceDirect
Journal: Process Biochemistry - Volume 41, Issue 5, May 2006, Pages 1111–1116
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
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Online Support
Any Questions? feel free to contact us