期刊
JOURNAL OF FOOD PROCESSING AND PRESERVATION
卷 35, 期 5, 页码 587-595出版社
WILEY
DOI: 10.1111/j.1745-4549.2010.00504.x
关键词
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资金
- 863 key project of China [SQ2007AA10XK140105]
- Qunxing Co., Ltd of China
Green asparagus (Asparagus officinalis L.) was harvested and treated by immersion in 20 mu g/g 6-benzylaminopurine (6-BAP) and submitted to ultrasound wave (20 kHz) for 20 min, then stored at 12 +/- 2C for 10 days, followed by 10 days at 2 +/- 2C. The changes in quality and enzyme activities of asparagus were investigated. Qualities such as chlorophyll content, shear force, lignin and crude fiber contents were monitored during storage. Similarly, the increases in shear force and lignin following ultrasound-assisted 6-BAP treatment were significantly reduced (P < 0.05) during the first 10 days, crude fiber contents appeared significantly reduced (P < 0.05) after 20 days. The enzyme activities of asparagus including catalase, polyphenol oxidase, ascorbate peroxidase were also enhanced by treatments with 6-BAP; phenylalanine ammonia lyase was relatively inhibited, and peroxidase was promoted within 5 days and subsequently inhibited. Ultrasound wave treatment appeared to enhance the effect of 6-BAP on asparagus.
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