Water Science & Technology: Water Supply Vol 12 No 3 pp 329333 © IWA Publishing 2012 doi:10.2166/ws.2011.140
Purification of a coagulant protein from seeds of Moringa concanensis
Department of Plant Science, Bharathidasan University, Tiruchirappalli 620 024, Tamil Nadu, India E-mail: email@example.com
A coagulant protein from seeds of Moringa concanensis was isolated and purified using CM-Sepharose column chromatography. The column matrix was equilibrated with ammonium acetate buffer and maximum protein was eluted at 0.8 M NaCl. The molecular mass of the purified protein was identified as 14 kDa and its pI value was around 9.5. The purified coagulant protein retained 90% coagulation activity even after incubation at 90 °C for 3 h. The purified protein does not release organic content to the water. This paper suggests that coagulant protein from M. concanenesis can be used in drinking water treatment.
Keywords: CM-Sepharose; coagulant protein; Moringa concanensis; purification; water treatment
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