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Gum Arabic (Acacia Senegal (L.) Willd) Viscosity in Relation to Rainfall and Soil Metal Ions

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Author(s): E.E. ElAmin | M. E. Blal | A. E. Mahmoud

Journal: Journal of Forest Products and Industries
ISSN 2325-4513

Volume: 2;
Issue: 6;
Start page: 34;
Date: 2013;
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Keywords: Acacia Senegal | Gum Arabic | Rain fall | Soil type | Viscosity | metal ions

ABSTRACT
The aim of this study was to investigate the effectsof site factors namely; soil types and rainfall on viscosity ofgum arabic from (Acacia senegal) and relationship betweengum viscosity and soil metal ions.. Samples of Gum Arabicand soils were collected from sites representing three main soiltypes viz (sand, clay and sandy clay or “gardud” under threerainfall (low, medium and high) conditions throughout the gumbelt of North, South Kordofan and Blue Nile States. Gumviscosity and pH were measured. The soil samples analyzed todetermined metal ions. Analysis of variance was used todetermine the differences in metal ions, viscosity and pH ofgums from different as sites affected by soils type and rainfall.Correlation analysis revealed high average viscosity for gumsproduced under low rainfall conditions in sand and clay soils,as well as also in gardud soil under medium rainfall. Sand inmedium rainfall, gardud in high rainfall and clay in mediumand high rainfall produced low average viscosity gum withsignificant differences between them and the above mentionedmain factors. The results also showed that there were nosignificant differences in pH for all gum samples obtainedfrom different soil types and different rainfall levels.
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