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中国精品科技期刊2020
李慧妍, 秦文, 辛松林, 沈丽雯, 田康, 何靖柳, 杜小琴. 壳聚糖涂膜保鲜对黄秋葵果实常温贮藏品质及生理的影响[J]. 华体会体育, 2015, (19): 327-331. DOI: 10.13386/j.issn1002-0306.2015.19.058
引用本文: 李慧妍, 秦文, 辛松林, 沈丽雯, 田康, 何靖柳, 杜小琴. 壳聚糖涂膜保鲜对黄秋葵果实常温贮藏品质及生理的影响[J]. 华体会体育, 2015, (19): 327-331. DOI: 10.13386/j.issn1002-0306.2015.19.058
LI Hui-yan, QIN Wen, XIN Song-lin, SHEN Li-wen, TIAN Kang, HE Jing-liu, DU Xiao-qin. Effect of chitosan treatment on storage quality and physiology of okra at room temperature[J]. Science and Technology of Food Industry, 2015, (19): 327-331. DOI: 10.13386/j.issn1002-0306.2015.19.058
Citation: LI Hui-yan, QIN Wen, XIN Song-lin, SHEN Li-wen, TIAN Kang, HE Jing-liu, DU Xiao-qin. Effect of chitosan treatment on storage quality and physiology of okra at room temperature[J]. Science and Technology of Food Industry, 2015, (19): 327-331. DOI: 10.13386/j.issn1002-0306.2015.19.058

壳聚糖涂膜保鲜对黄秋葵果实常温贮藏品质及生理的影响

Effect of chitosan treatment on storage quality and physiology of okra at room temperature

  • 摘要: 为探讨壳聚糖对黄秋葵果实常温下的保鲜效果,筛选适宜黄秋葵的壳聚糖处理浓度,并探究壳聚糖对黄秋葵品质及生理的影响,以台湾五福黄秋葵为实验材料,采后用0、0.5%、1.0%、1.5%浓度的壳聚糖处理后,置于常温(20±1)℃下贮藏,从品质和生理角度探讨壳聚糖对黄秋葵果实的常温保鲜效果。结果表明:壳聚糖涂膜能够对黄秋葵采后保鲜起到明显效果,但不同浓度壳聚糖处理效果不同,其中1.0%壳聚糖涂膜组对黄秋葵的贮藏品质保持最好。能够显著地(p<0.05)降低黄秋葵果实常温贮藏下的呼吸强度,推迟呼吸高峰的出现,延缓叶绿素含量的下降,抑制丙二醛含量和相对电导率的上升,并维持较高的过氧化物酶、过氧化氢酶活性等。 

     

    Abstract: In order to discuss the preservation effect of chitosan on okra fruit at room temperature,and to screen the appropriate concentration of chitosan and to explore how chitosan influence the quality and physiological change of okra at the same time,0,0.5%,1.0%,1.5% concentrations of chitosan were used on postharvest and then okra were stored at room temperature.The results showed that chitosan coating can play a significant effect on the okra,but the effect of different concentrations of chitosan treatment were different.Among the test groups,1.0% can keep okra at the best quality state,it significantly reduced the respiratory intensity( p < 0.05),delayed the appearance of respiratory peak,delayed the decline of chlorophyll,reduced the MDA content,and had influence on inhibiting the increasement of relative conductivity.It also could maintain POD and CAT activity at a high level.

     

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