Abstract：
:In this study some physicochemical properties and elemental analysis of Prunus avium gum exudates were investigated. The gum studied had, on average, 75.14% carbohydrate, 11.3% uronic acids, 1.11% protein, 7.53% moisture content (w.b.) and 3.12% ash. Measured values for the angle of repose, Carr's index and Hausner ratio showed the good flow ability for the gum powder. The viscosity of 1% aqueous solution of the gum exhibited a Newtonian type of flow and with pH reduction the swelling index was increased. The average molecular weight of the main polysaccharide fraction was about 1.46×105Da (146kDa). GC analysis showed that the main polysaccharide was composed of four kinds of neutral monosaccharides, namely mannose (Man), arabinose (Ara), galactose (Gal) and xylose (Xyl) with a relative molar ratio of 1.0:14.7:7.1:2.4. FTIR analysis showed the presence of carboxyl and hydroxyl groups and glycosidic linkage. The antioxidant activity of the gum was evaluated by determining DPPH scavenging and total phenolic contents which showed poor antioxidant property.
journal_name
Int J Biol Macromoljournal_title
International journal of biological macromoleculesauthors
Shabani H,Askari G,Jahanbin K,Khodaeian Fdoi
10.1016/j.ijbiomac.2016.08.070subject
Has Abstractpub_date
2016-12-01 00:00:00pages
436-441issue
Pt Aeissn
0141-8130issn
1879-0003pii
S0141-8130(16)30916-3journal_volume
93pub_type
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