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MA贮藏对采后茭白糠心和品质的影响 被引量:14

Effect of Modified Atmosphere Storage on Hollowness and Quality of Postharvest Water Bamboo Shoot
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摘要 为了探讨MA贮藏对茭白保鲜的效果,研究(1±1)℃下MA贮藏对采后茭白品质和生理的影响。结果表明:采后茭白叶绿素酶活性增加1.4倍,使叶绿素含量下降43%;苯丙氨酸解氨酶(PAL)和过氧化物酶(POD)活性增加,导致茭肉纤维素和木质素含量分别增加32%和36%。MA贮藏不仅可显著降低茭白的呼吸强度和乙烯释放量,还可延缓叶绿素酶、PAL和POD活性的增加,茭白的总糖含量和叶绿素含量分别比对照高21%和34%,而空心指数、纤维素和木质素含量分别为对照的66%、92%和81%。表明MA贮藏可抑制茭白的黄化和糠心进程。 In order to explore the effect of modified atmosphere (MA) storage on water bamboo shoot, postharvest water bamboo shoots were stored at (1±2)℃ under MA storage or not (control) and the effect of MA storage on quality and physiology were investigated. The results indicated that the chlorophyllase activities increased 1.4-fold, and led to chlorophyll decreased 43%; While the activities of phenylalanine ammonia lyase(PAL) and peroxidase (POD) increased, and led to cellulose and lignin content increased 32% and 36% respectively. MA storage decreased the respiration rate and ethylene releasing amount, but also retarded the activities of chlorophyllase, PAL and POD. The total sugar and chlorophyll content was higher 21% and 34% than those of control, while the hollowness index, cellulose and lignin content was only 66%, 92% and 81% than those of control. These results indicated that MA storage has potential efficiency to control yellowing and hollowness of water bamboo shoot.
出处 《中国食品学报》 EI CAS CSCD 北大核心 2009年第2期149-153,共5页 Journal of Chinese Institute Of Food Science and Technology
基金 国家自然科学基金(No.30400303) 浙江省自然科学基金项目(No.M303442)资助项目
关键词 茭白 糠心 黄化 MA贮藏 木质素 Water bamboo shoot Hollowness Yellowing Modified atmosphere storage Lignin
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