NDLI: Radical scavenging activities of extract and solvent-solvent partition fractions from Dendrobium Sonia “Red Bom” flower

Content Provider	IEEE Xplore Digital Library
Author	Shafazila, T. S. Lee, Pat M. Lee Kong Hung
Copyright Year	2010
Description	Author affiliation: Malaysia University of Science and Technology (MUST), Kelana Jaya Square, Petaling Jaya, Selangor, Malaysia (Lee Kong Hung) \|\| Materials Technology Program, Faculty of Applied Sciences, Universiti Technologi MARA (UiTM), Shah Alam, Malaysia (Shafazila, T. S.; Lee, Pat M.)
Abstract	Radical scavenging activities of extract and solvent-solvent partition fractions from the orchid flower, Dendrobium Sonia “Red Bom” were evaluated. Flower of Dendrobium Sonia “Red Bom” was extracted with acidified methanol. The residue was redissolved in water which was then subjected to solvent-solvent partition with organic solvents. Crude extract (CEDS) and three different fractions namely hexane layer (HXL), ethyl acetate layer (EAL) and water layer (WL) were evaluated for the total phenolic and anthocyanin contents and 2,2-diphenyl-1-picrylhydrazyl (DPPH) radical scavenging activities. The DPPH radical scavenging activity was found to be the highest in WL. The direct relationship between the total anthocyanins content with the radical scavenging activity indicates that anthocyanins are the main contributors for the observed radical scavenging activities for CEDS and WL.
Starting Page	762
Ending Page	765
File Size	310388
Page Count	4
File Format	PDF
ISBN	9781424489879
e-ISBN	9781424489862
DOI	10.1109/CSSR.2010.5773886
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-12-05
Publisher Place	Malaysia
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Solvents DPPH Bills of materials Color Compounds Antioxidant Temperature measurement Orchidaceae Dendrobium Radical scavenging activity Anthocyanins Analysis of variance Methanol
Content Type	Text
Resource Type	Article

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