Changes in trypsin inhibitory activity of developing seed parts and pod of red kidney bean
2012
Alizadeh, Hossein | Leung, DWM | Edwards, Y
Mature red kidney bean seeds contain bovine trypsin inhibitors (TI) that could limit digestion of proteins by insects, animals or human beings. The changes in trypsin inhibitory activity of red kidney bean seed parts and pods in relation to the different stages of seed development (10 to 50 days after flower fall) were investigated using a spectrophotometric method. Specific activities of bovine trypsin inhibitor in all the different tissues increased from early on during seed development. Those in the seed pod decreased to very low levels at seed maturity suggesting that they might not be deleterious to animal nutrition as far as TI content is concerned. The high level of trypsin inhibitors found in developing seeds would be of concern from the perspective of animal or human nutrition.
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