Journal
JOURNAL OF TISSUE VIABILITY
Volume 23, Issue 3, Pages 98-108Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.jtv.2014.07.001
Keywords
Almond gum; Oligosaccharides; Arabinogalactan; Histopathology; Wound healing
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Funding
- Ministry of Higher Education, Scientific Research and Technology in Tunisia
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Almond gum is a naturally occurring polymer produced by almond trees and shrubs. Its abundance, as well as its low cost production makes it a potential feedstock for use in food and pharmaceuticals. In this regard, almond gum oligosaccharides were enzymatically generated, purified and their monosaccharide composition assessed using gas chromatography-flame ionization detector. Oligosaccharide analyses show that the most prominent residues were galactose and arabinose with traces of xylose, rhamnose, glucose and mannose. The glycosyl linkage positions were analyzed using gas chromatography mass spectrometry showing a main chain composed of galactose units [-> 3)-Gal-(1 ->] branched mainly with arabinose residues [Ara-(1 ->]. The potent role of the generated oligosaccha rides on rats wound healing was investigated. They have been applied either alone or supplemented, as active substance, with cream formulation, on full-thickness wound created on the dorsum of the rats. The effect of oligosaccharides was assessed by measuring the wound closure percentage, reaching an average of around 100% when applied alone or supplemented to cream formulation. The healing percentage for the control group was only 74.3% at the same day. The histological evaluation of skin sections visualized by light microscopy revealed an improved collagen deposition and an increased fibroblast and vascular densities. (C) 2014 Tissue Viability Society. Published by Elsevier Ltd. All rights reserved.
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