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Effect of Sodium sulfite treatment on the trypsin inhibitors activity, protein isolate and protein solubility of complete and dehulling white bean seeds Phaseolus vulgaris. | ||
| iraq journal of market research and consumer protection | ||
| Article 1, Volume 7, Issue 2, 2015, Pages 226-237 | ||
| Authors | ||
| Abdul Kadir Hadi Alwan; Amer Abdulhadi Jawad | ||
| Abstract | ||
| The study aimed to increase the biological value of white bean. The effect of different concentrations 0.01 ,0.02,0.03,and 0.04 M of sodium sulfite solutions for 1hr at 70 ºC on the trypsin inhibitors activity, protein isolate and protein solubility of complete and dehulling white bean flour were studied.Trypsin inhibitors activity were reduced by 42.97, 58.69, 68.59 and 69.58% in complete white bean flour at 0.01 ,0.02, 0.03, 0.04 M respectively, while the corresponding values were 50.43, 61.00, 75.61 and 85.66% respectively in dehulling white bean flour .Protein isolate value was 13.41% and protein solubility was 2.2% in control sample, Furthermore, the using of chemical treatment showed that protein isolate was reduced gradually and the minimum value was 11.54% at 0.04M, while soluble protein increased to the maximum value of 2.53% in the same concentration. | ||
| Keywords | ||
| Sodium sulfite; Trypsin inhibitors; White bean | ||
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