文献类型: 外文期刊
第一作者: Cao, Shifeng
作者: Cao, Shifeng;Hu, Zhichao;Pang, Bin
作者机构:
关键词: Strawberry;Ultrasonic treatment;Optimization;Response surface methodology
期刊名称:POSTHARVEST BIOLOGY AND TECHNOLOGY ( 影响因子:5.537; 五年影响因子:5.821 )
ISSN: 0925-5214
年卷期: 2010 年 55 卷 3 期
页码:
收录情况: SCI
摘要: Freshly harvested strawberry fruit were treated at ultrasonic powers from 250 to 450W at a constant frequency of 40kHz for different times (5-15 min). Response surface methodology (RSM) based on a two factors three level central composite design was applied to optimize ultrasonic treatments on decay incidence. microbial population and quality maintenance of strawberries. According to response surface analysis, the optimal treatment parameters were an ultrasonic power of 250W and treatment time of 9.8 min. Decay incidence and quality parameters of strawberries treated at the determined optimum conditions were compared with a water treatment during storage for 8 d at 5 degrees C. An ultrasonic treatment was found to be effective in inhibiting decay incidence and preserving quality in strawberries, and these results suggest that such a treatment may provide an alternative for extending shelf-life and maintaining quality of strawberry fruit. (C) 2009 Elsevier B.V. All rights reserved.
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