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Effect of grass density and date of tapping on acacia senegal gum yield in north kordofan state, Sudan

Journal of Forestry Research 2013年第1期24卷 169-172页

作者： Idris M. Adam M. E. Ballal Kamal El. M. Fadl Agricultural Research Corporation Kadugli Research StationP.O. Box 16KadugliSudan. Agricultural Research Corporation Forest Research CenterP.O. Box 13391Khartoum-Soba-Sudan. Agricultural Research Corporation El-Obeid Research StationP.O. Box 429El-ObeidSudan.

We conducted a two-factor experiment in randomized complete block design with four replications during 2004 in El Demokeya Forest Reserve and El Himaira Natural Forest, North Kordofan State, Sudan. The objective was to develop an understanding of the ecological effects of under-story vegetation and tapping date on the productivity of gum arabic from acacia senegal as over story cover. The first factor was grass cover which was tested in four levels （100% and 50% grass cover in addition to bare and burnt）. The second factor, date of tapping was tested in three levels namely （1st Oct, 15th Oct and 1st Nov）. The first picking was done after 45 days from tapping and the gum yield up to seven pickings was collected at intervals of 15 days. Gum yield from each picking was collected and weighed using sensitive balance. Analysis of variance was carried out using MSTAT-C statistical package, and the Tukey test was applied for mean comparisons. The results showed highly significant differences （p 〈 0.01） of grass cover on gum arabic yield in the two sites for most of the first consecutive pickings （1st–4th out of seven） in addition to total yield （kg/ha）. With exception to the 4th pickings, the interaction effect between the grass densities and tapping date was not significantly different. The total gum yield was significantly （p 〈 0.05） increased in only two pickings （third and fourth） in El Demokeya Forest Reserve and two pickings （1st and 2nd） at El Himaira Natural Forest. The density of grass cover significantly （p 〈 0.05） affected the number of pickings at both sites; the number of gum pickings was directly proportional to grass density. The number of gum pickings was found to be significantly （p 〈 0.05） increased at the early date of tapping.

关键词： acacia senegal grass density date of tapping gum arabic yield Sudan.

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Benefits of Gum Arabic, for a Solitary Kidney Under Adverse Conditions:A Case Study

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Chinese Medicine and Culture 2018年第2期1卷 88-96页

作者： Mehrab Dashtdar Karima Kardi Department of Integrative Medicine Dubai Specialized Medical Center and Medical Research LabAffiliated with Dubai Medical College and Dubai Pharmacy CollegeDubaiUnited Arab Emirates

Gum Arabic(GA,called E-414 in the EU food industry),a natural biopolymer resin is a dried exudation obtained from the stems and branches of natural strains of acacia senegal(L)*** consists mainly of high molecular weight polysaccharides and their calcium,potassium,and magnesium,which on hydrolysis yield arabinose,galactose,rhamnose,and glucuronic *** natural fiber of gum Arabic act as probiotics improves the absorption of minerals,especially calcium and helps to maintain a healthy balance of bacteria in the gastrointestinal(GI)***,transformation,or reprocessing of nitrogenous wastes(ammonia,urea,and uric acid)by the GI tract is a potentially low-cost means of switching for missing renal *** of nitrogen compounds to be inert orally by administration of gum Arabic is the safe solution either in normal renal function or renal *** this study,clinically,we observed a case of solitary kidney under adverse condition long‑term treating with gum Arabic the vast potential of bioactive phytochemicals as a nontoxic,efficient with uric acid and bilirubin lowering agent and anti‑inflammatory effects,considering the gum Arabic as a potential therapeutic supplement,beneficial in chronic renal failure,cardiovascular disease,pain management,and dental *** the nonexistent background concerning the benefits of gum Arabic,for a solitary kidney under adverse conditions,our study has confirmed that long‑term consumption of gum Arabic not only has no side effect but also protects multi-organs damage from drug adverse reactions and consequences of baseline disease,including renal,vascular,dental and inflammatory diseases.

关键词： acacia senegal chronic renal failure emulsifier gum Arabic natural fiber probiotics solitary kidney

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