Publication date: September 2017
Source:International Journal of Biological Macromolecules, Volume 102
Author(s): Pravin R. Bhushette, Uday S. Annapure
Over 900 species of Acacia trees are found on earth, most of them produce gums. Acacia nilotica (Babul tree) is one of the major gum-yielding acacia species found in he Indian subcontinent. A. nilotica gum was collected from Maharashtra, India and characterised for its proximate analysis, physicochemical, functional, rheological and thermal properties. These properties further were compared with commercially available Acacia gum (AG). The sugar composition of the gums indicated the presence of arabinose, galactose, and rhamnose in ANG and AG. FTIR spectrums revealed the typical trend of polysaccharides for both the gums, however, the difference was observed in fingerprint region. The rheological outcomes were derived from flow curve measurements of gums at different concentrations and temperatures. Investigations of the flow curves of both gums revealed the diminutive difference in viscosity profile. The concentration difference in the monosaccharides of polysaccharides and proximate analysis of gums could be the responsible for the difference in rheological and thermal properties of gums. However, ANG shows good resemblance with AG and can be substituted for numerous applications in food and pharmaceutical industry.
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