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Some physico-chemical properties of Prunus armeniaca L. gum exudates.

Abstract：

:The objectives of this paper were to investigate some physicochemical properties of Prunus armeniaca L. gum exudates (PAGE). PAGE had, on average, 66.89% carbohydrate, 10.47% uronic acids, 6.9% moisture (w.b.), 2.91% protein, 4% ash and 1.59% fat. PAGE was composed of monosaccharides including l-arabinose, d-galactose, xylose, mannose and rhamnose in molar percentages of 41.52%, 23.72%, 17.82%, 14.40% and 2.54%, respectively. Elemental analysis showed that PAGE had high values of nutrients. FTIR analysis demonstrated the presence of carboxyl, hydroxyl and methyl groups and glycoside bonds. The weight average molecular weight, number average molecular weight and polydispersity index were found to be approximately 5.69 × 10(5)g/mol, 4.33 g/mol and 1.31, respectively. Rheological measurement of PAGE solutions as a function of concentration (8, 10 and 12% (w/w)) and temperature (10, 20, 30 and 40°C) demonstrated that the gum solutions had a non Newtonian shear thinning behaviour. Intrinsic viscosity for PAGE in deionized water was 3.438 dl/g based on Kramer equation.

journal_name

Int J Biol Macromol

journal_title

International journal of biological macromolecules

authors

Fathi M,Mohebbi M,Koocheki A

doi

10.1016/j.ijbiomac.2015.09.068

subject

Has Abstract

pub_date

2016-01-01 00:00:00

pages

744-50

eissn

0141-8130

issn

1879-0003

pii

S0141-8130(15)00683-2

journal_volume

82

pub_type

杂志文章

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