Studies on groundnut proteins. V. Physico-chemical properties of arachin prepared by different methods. |
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Authors: | K J Shetty M S Rao |
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Institution: | Central Food Technological Research Institute, Mysore 570013, India |
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Abstract: | ORD,1 CD, and fluorescence spectra of arachin prepared by Tombs' (Biochem. J., 96, 119; 1965), Dawson's (Anal. Biochem., 41, 305; 1971) or Shetty and Rao's (Anal. Biochem., 62, 108; 1974) procedure were measured; the effect of denaturants such as SDS, GuHCl, and acid was also determined. ORD and CD spectra showed differences, whereas fluorescence spectra did not show any difference. The effect of the denaturants was the same on the three arachins. At low concentrations of GuHCl (<2 m), the denaturant was bound by the protein molecule without causing any conformational change. The binding affinity varied among the arachins. |
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