| 真空预冷压力对菠菜采后贮藏保鲜品质的影响 |
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| 引用本文： | 郭淑婷, 薛健翼, 李锋, 赵伯涛, 王永丽. 真空预冷压力对菠菜采后贮藏保鲜品质的影响[J]. 食品工业科技, 2021, 42(5): 265-269. DOI: 10.13386/j.issn1002-0306.2020050230 |
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| 作者姓名： | 郭淑婷 薛健翼 李锋 赵伯涛 王永丽 |
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| 作者单位： | 1. 山东农业大学食品科学与工程学院, 山东泰安 271018;2. 南京野生植物综合利用研究院, 江苏南京 211111 |
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| 基金项目： | “十三五”国家重点研发计划课题(2017YFD0401303)。 |
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| 摘 要： | 为探究真空预冷压力对菠菜采后贮藏品质的影响,将菠菜分别置于600、800和1000 Pa真空预冷压力下冷却至4℃,然后于(4±1)℃贮藏15 d.以常压冷藏样品为对照,通过分析菠菜贮藏期间的感官品质、色差、失重率、维生素C、叶绿素和酶活变化,研究真空预冷压力对菠菜采后贮藏品质的影响.结果表明,真空预冷处理可有效延缓菠菜...
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| 关 键 词： | 菠菜 真空预冷 压力 贮藏 品质 |
| 收稿时间： | 2020-05-22 |
Effects of Vacuum Precooling Pressure on Postharvest Preservative Quality of Spinach |
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| GUO Shuting, XUE Jianyi, LI Feng, ZHAO Botao, WANG Yongli. Effects of Vacuum Precooling Pressure on Postharvest Preservative Quality of Spinach[J]. Science and Technology of Food Industry, 2021, 42(5): 265-269. DOI: 10.13386/j.issn1002-0306.2020050230 |
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| Authors: | GUO Shuting XUE Jianyi LI Feng ZHAO Botao WANG Yongli |
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| Affiliation: | 1. College of Food Science and Engineering, Shandong Agricultural University, Taian 271018, China;2. Nanjing Institute for Comprehensive Utilization of Wild Plants Organization name, Nanjing 211111, China |
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| Abstract: | In order to investigate the effect of vacuum precooling pressure on preservative quality of spinach,spinach was precooled to 4℃under the pressure of 600,800 and 1000 Pa,respectively,and then was preserved at(4±1)℃for 15 days.By determining sensory quality,color difference,weight loss,V C,chlorophyll content and enzymatic activity of spinach during storage,the effect of vacuum precooling pressure on preservative quality of spinach was studied.Results showed that vacuum precooling treatment effectively slowed down the deterioration of sensory quality,lowered weight loss,the loss of V C and chlorophyll,inhibited its color changes,delayed the decrease of catalase(CAT)activity and the increase of peroxidase(POD)activity.In conclusion,the spinach treated with the precooling pressure of 1000 Pa exhibited the optimum preservative quality. |
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| Keywords: | spinach vacuum cooling pressure preservation quality |
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