Analysis of a gum from the exudates of Dichrostachys cinerea (L.) Wight & Am

被引：0
|
作者：
Gundidza, M. [2 ]
Mmbengwa, V. [3 ]
Sibambo, S. R. [2 ]
Magwa, M. L. [4 ,5 ]
Mushisha, O. [6 ]
Gundidza, E.
Samie, A. [1 ]
机构：
[1] Univ Venda, Dept Microbiol, ZA-0950 Thohoyandou, South Africa
[2] Univ Witwatersrand, Sch Therapeut Sci, Fac Hlth Sci, Johannesburg, South Africa
[3] Nelson Mandela Metropolitan Univ, Sch Nat Resource Management, ZA-6530 George, South Africa
[4] Univ Ft Harare, Dept Bot, ZA-5700 Alice, Eastern Cape, South Africa
[5] Univ Ft Harare, Electron Microscope Unit, ZA-5700 Alice, Eastern Cape, South Africa
[6] Univ Zimbabwe, Dept Pharm, Mt Pleasant Harare, Zimbabwe
来源：
AFRICAN JOURNAL OF BIOTECHNOLOGY | 2011年 / 10卷 / 33期
关键词：
Gum; exudates; Dichrostachys cinerea; rheology; moisture; RHEOLOGICAL PROPERTIES;
D O I：
暂无
中图分类号：
Q81 [生物工程学（生物技术）]; Q93 [微生物学];
学科分类号：
071005 ; 0836 ; 090102 ; 100705 ;
摘要：
Only little research is currently underway on gums from African plants, yet Africa imports a lot of gums for pharmaceutical and food industries. This study was aimed to investigate the rheological properties, and the moisture and ash contents of the isolated gum resins from Dichrostachys cinerea. The gum from this plant exhibited low shear stress even at high concentrations of the gum. The moisture content obtained was 15.8 +/- 0.3%, which was rather too high and would only be suitable for formulations that need to remain moisturized. The gum from this plant had little ash content (2.59 +/- 0.01%). The gum from D. cinerea exhibited low shear stress at high concentrations, while the gum was profoundly affected by the addition of ions. In conclusion, this gum has potential as a product for the cosmetic, pharmaceutical and food industries. Further studies are needed to identify the phytoconstituents in the gum as well as toxicity studies.
引用
收藏
页码：6241 / 6245
页数：5
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