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Comparative Study of Physicochemical Characteristics of Acacia Gummiferae Gum of Sudanese Origin

Author name : satti Elhassan Abdelaziz Amira
Publication Date : 2018-03-01
Journal Name : International journal of Advanced Scientific Research

Abstract

Three composite samples of Gummeferae gum of positive specific optical rotation (+S.O.R) A.nilotica var. tomentosa season 2015, A.nilotica var nilotica season 2010, and A.Orefota season 2015, from Sinnar, Blue Nile states and El-Jazeera states were subjected to physicochemical analysis. The results showed moisture contents were (11.17%, 11.6%, and 12.5%), ash% (2.05%, 1.81%, and 1.48%), pH (5.2, 5.1, and 4.96), S.O.R+ (+90, +103, and +70), nitrogen and protein percent (0.06%, 0.025%, and 0.46%), and (0.35%, 0.16%, 2.85%),, intrinsic viscosity (10.88, 9.02, and 5.60), Mwt (5.3 x106, 2.94 x106, and 7.91x106 gmol-1), acid equivalent weight (2105, 1984, and 3409), total glucouronic acid (9.22%, 9.8%, and 5.69%), and Colorific value (3.97 Kcal/g, 4.03 Kcal/g, and 4.04 Kcal/g) respectively. The relationship between Colour Gardner and tannin content was investigated. The results were found to be in average values, The Colour Gardner was directly proportional to the tannin content of all samples.

Keywords

Gummeferae, physicochemical properties, colour gardner, tannin content, calorific value

Publication Link

https://www.allscientificjournal.com/assets/archives/2018/vol3issue2/3-2-14-717.pdf

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