Journal
INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES
Volume 69, Issue -, Pages 192-199Publisher
ELSEVIER
DOI: 10.1016/j.ijbiomac.2014.05.050
Keywords
Prunus cerasoides; Physicochemical properties; Antioxidant
Funding
- Department of Biotechnology, GoI [BT/193/NE/TBP/2011]
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The physicochemical properties and antioxidant activity of Prunus cerasoides D. Don gum exudates was investigated in this study. The total carbohydrate and protein content were found to be 73.72 +/- 2.44% and 2.33 +/- 1.25%, respectively. Analysis of monosaccharide composition by HPLC-RI system after acid hydrolysis of the gum showed the presence of arabinose, galactose, glucose, rhamnose and xylose. The molecular weight of the gum was also found to be 5.55 x 10(5) Da. FTIR and DSC studies showed characteristics typical of a natural polysaccharide. The viscosity of 2% aqueous solution of the gum exhibited non-Newtonian type of flow and the gum was also found to show pH dependent swelling. Determination of the angle of repose, Carr's index and Hausner ratio indicate the gum possess fairly good powder flow property. The antioxidant properties of the gum were evaluated by determining DPPH and hydroxyl scavenging activities, reducing power and total phenolic contents which showed the gum possess antioxidant property. (C) 2014 Elsevier B.V. All rights reserved.
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