The effect of enzymatic deamidation on the solubility and emulsifying properties of walnut protein isolate
Jing Xue,
Sisi Feng,
Zheng Zhou
Abstract:BACKGROUNDAlkaline‐extracted walnut protein isolates (WPI) exhibit limited solubility, which poses challenges for their application in the food industry. The present study investigated the effects of protein‐glutaminase (PG) deamidation on the physicochemical characteristics, solubility and emulsifying properties of WPI.RESULTSThe deamidation process of WPI was monitored by assessing the release of free ammonia and the reduction in solution turbidity. PG deamidation significantly increased the surface charge o… Show more
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