| 气调贮藏对草莓细胞壁酶活性的影响 |
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| 引用本文： | 胡花丽,李鹏霞,王毓宁,王炜,李志强.气调贮藏对草莓细胞壁酶活性的影响[J].食品与机械,2011,27(1). |
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| 作者姓名： | 胡花丽 李鹏霞 王毓宁 王炜 李志强 |
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| 作者单位： | 江苏省农业科学院,江苏,南京,210014 |
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| 基金项目： | 江苏省农业科技自主创新资金项目(编号:CX(09)629) |
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| 摘 要： | 以草莓为材料,研究不同气体成分处理及冷藏对果实纤维素酶(CS)、果胶甲酯酶(PE)及多聚半乳糖醛酸酶(PG)活性的影响。结果表明,0%O2+10%CO2处理增强了果实CS、PE和PG活性;11%O2+10%CO2处理亦增强了果实PE和PG活性,其对低温贮藏果实CS活性的影响不显著,但增强了货架果实的CS活性;3%O2+5%CO2处理对低温贮藏果实CS和PG活性的影响不显著,而导致货架期CS和PG活性增强,但显著降低了果实的PE活性。说明0%O2+10%CO2处理加快果实软化与其诱导果实CS、PE和PG活性升高有关,3%O2+5%CO2处理主要是通过抑制PE活性而减缓果实的软化进程。
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| 关 键 词： | 草莓 气调贮藏 细胞壁酶 |
Study of the effects of controlled atmosphere storage on enzymes activities of cell wall of strawberry |
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| HU Hua-li,LI Peng-xia,WANG Yu-ning,WANG Wei,LI Zhi-qiang.Study of the effects of controlled atmosphere storage on enzymes activities of cell wall of strawberry[J].Food and Machinery,2011,27(1). |
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| Authors: | HU Hua-li LI Peng-xia WANG Yu-ning WANG Wei LI Zhi-qiang |
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| Affiliation: | HU Hua-li LI Peng-xia WANG Yu-ning WANG Wei LI Zhi-qiang(Institute of Agricultural Products Processing,Jiangsu Academy ofAgricultural Sciences,Nanjing,Jiangsu 210014,China) |
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| Abstract: | Enzymes activities of cell wall(cellulase,pectinesterase and polygalacturonase) of strawberry stored in different gas compositions(0% O2+10% CO2,11% O2+10% CO2,3% O2+5% CO2) and refrigeration were investigated.Results showed 0% O2+10% CO2 treatment increased CS,PE and PG activities of fruit.11% O2+10% CO2 treatment also increased PE and PG activities of fruit,this treatment had no effect on CS activity of fruit stored in low temperature,but increased CS activity of fruit stored in shelf.3% O2+5% CO2 treatme... |
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| Keywords: | strawberry controlled atmosphere storage enzymes of cell wall |
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