NDLI: Optimization of ultrasonic-assisted extraction of phenolic antioxidants from Malus baccata (Linn.) Borkh. using response surface methodology.

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Optimization of ultrasonic-assisted extraction of phenolic antioxidants from Malus baccata (Linn.) Borkh. using response surface methodology.

Content Provider	World Health Organization (WHO)-Global Index Medicus
Author	Wang, Lu Wang, Zhenyu Li, Xiaoyu
Description	Author Affiliation: Wang L ( Harbin Institute of Technology, Harbin, PR China.)
Abstract	In this study, the optimum extraction conditions for maximum recovery of the content of total phenolics (TPC) and total antioxidant abilities were analyzed for Malus baccata (Linn.) Borkh. using response surface methodology. The effects of ethanol percentage (X1 ,%), ultrasonic power (X2 , W) and extraction temperature (X3 , °C) on the total phenolic content (Y1 ) and antioxidant ability (Y2 ) were evaluated. A second-order polynomial model produced a satisfactory fitting of the experimental data with regard to total phenolic content (R(2) = 0.9942, P < 0.0001) and antioxidant ability (R(2) = 0.9966, P < 0.0001). The optimized conditions were ethanol concentration of 61.0%, ultrasonic power of 308.6 W, extraction temperature of 51.1°C for TPC and 60.5%, 311.4 W, 51.6°C for antioxidant ability, the predicted values agreed well with the experimental values. Results implied that the major phenolic compounds in obtained extracts as chlorogenic acid, quercetin-3-gal/glu, quercetin-3-xyl/ara, phloretin-2-xyloside, quercetin-3- rhamnoside, and phloridzin.
File Format	HTM / HTML
ISSN	16159306
Issue Number	9-10
Volume Number	36
e-ISSN	16159314
Journal	Journal of Separation Science
Language	English
Publisher	Wiley-VCH
Publisher Date	2013-05-01
Publisher Place	Germany
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Discipline Analytical Discipline Chemistry Antioxidants Isolation & Purification Chemical Fractionation Methods Malus Chemistry Phenols Plant Extracts Ultrasonics Analysis Fruit Evaluation Studies Journal Article
Content Type	Text
Resource Type	Article
Subject	Analytical Chemistry Filtration and Separation

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