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Susheel Kumar Dubey
Susheel Kumar Dubey
India
Publications
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Research Article
Antioxidant Potential and Emulsifying Properties of Neem (Azadirachita indica, Family Meliaceae) Gum Polysaccharide
Author(s): Rishabha Malviya, Pramod Kumar Sharma and Susheel Kumar Dubey Rishabha Malviya, Pramod Kumar Sharma and Susheel Kumar Dubey
Neem Gum (NG) is exudates of plant. Crude NG was purified using water as solvent and ethyl alcohol as precipitating agent. Effect of temperature and concentration on the surface tension of neem gum was determined. Emulsifying properties of gum was evaluated using sunflower as oil phase and purified water as continuous phase further prepared emulsions were evaluated in terms of globular size, flow rate, emulsion capacity and emulsion stability, foam capacity and foam stability and creaming (%). Free radical scavenging properties of polymer was also studied using ascorbic acid as standard against DPPH and H2O2 as initiator. At higher concentration of NG better emulsifying and foaming properties were observed due to reduction in rate of coalescence and creaming. Globular size of prepared emulsions does not changed significantly after 45 days. The effective concentration (EC50) sufficient.. View More»
DOI: 10.4172/2153-2435.1000559