采前喷施CaCl2对西梅采后果实软化品质的影响

doi:10.6048/j.issn.1001-4330.2024.07.019

新疆农业科学 ›› 2024, Vol. 61 ›› Issue (7): 1717-1726.DOI: 10.6048/j.issn.1001-4330.2024.07.019

• 园艺特产·贮藏保鲜加工 • 上一篇下一篇

采前喷施CaCl₂对西梅采后果实软化品质的影响

田全明¹(), 殷贝贝², 祁华梅³, 魏佳², 张政², 邢世均¹, 王曼², 袁宇尧², 吴斌²^,⁴()

1.新疆农业大学园艺学院,乌鲁木齐 830052
2.新疆农业科学院农产品贮藏加工研究所,乌鲁木齐 830091
3.新疆大学生命科学与技术学院,乌鲁木齐 830046
4.新疆农产品加工与保鲜重点实验室,乌鲁木齐 830091

收稿日期:2023-12-25 出版日期:2024-07-20 发布日期:2024-09-04
通信作者: 吴斌(1973-),男,新疆塔城人,研究员,博士后,硕士生/博士生导师,研究方向为农产品贮藏与保鲜,(E-mail)42042615@qq.com
作者简介:田全明(1994-),男,河南周口人,博士研究生,研究方向为农产品贮藏与保鲜,(E-mail)1094185168@qq.com
基金资助:
科技创新领军人才项目—高层次领军人才(2022TSYCLJ0040);新疆维吾尔自治区重点研发计划项目(2022B02026)

Effect of preharvest spraying of CaCl₂ on postharvest fruit softening quality of prunes

TIAN Quanming¹(), YAN Beibei², QI Huamei³, WEI Jia², ZHANG Zheng², XIN Shijun¹, WANG Man², YUAN Yuyao², WU Bin²^,⁴()

1. College of Horticulture,Xinjiang Agricultural University, Urumqi 830052, China
2. Institute of Farm Product Storage and Processing,Xinjiang Academy of Agricultural Sciences, Urumqi 830091, China
3. College of Life Sciences and Technology, Xinjiang University, Urumqi 830046, China
4. Key Laboratory for Xinjiang Agricultural Products Processing and Preservation, Urumqi 830091, China

Received:2023-12-25 Published:2024-07-20 Online:2024-09-04
Supported by:
Leading Talents Project in Science and Technology Innovation Project "High-level Leading Talents(2022TSYCLJ0040);Key R&D Program Project of Xinjiang Uygur Autonomous Region(2022B02026)

摘要/Abstract

摘要：

【目的】研究采前喷施CaCl₂处理对西梅采后果实软化及细胞壁代谢的影响。【方法】以新疆喀什地区伽师县法兰西西梅为试材,采用2%CaCl₂在西梅果实膨大期、转色期和采收期进行喷施,将采后的西梅果实置于温度为(4±1)℃、湿度为90%~95%的冷库中贮藏42 d。【结果】采前CaCl₂处理抑制了西梅果实呼吸强度和细胞膜渗透率的上升,延迟了呼吸高峰的出现,延缓了原果胶和纤维素含量的下降,抑制了可溶性果胶(Soluble pectin WSP)、多聚半乳糖醛酸酶(Polygalacturonase PG)、果胶甲酯酶(Pectin methyl esterases PME)、纤维素酶(cellulase Cx)和β-葡萄糖苷酶(β-glucosidase β-Glu)活性的上升。CaCl₂通过延缓细胞壁组分的降解,推迟了西梅果实的采后软化进程,有效保持了西梅果实采后的硬度。贮藏至28 d时,CaCl₂处理西梅果实硬度、纤维素分别提高了11.23%、8.51%,多聚半乳糖醛酸酶、果胶甲酯酶、纤维素酶和β-葡萄糖苷酶活性分别降低了4.31%、32.60%、24.60%和64.38%。【结论】CaCl₂采前处理是一种提高西梅果实采后品质的保鲜方法。

关键词: 氯化钙; 采前; 西梅; 细胞壁代谢

Abstract:

【Objective】To study the effects of pre-harvest CaCl₂ spray treatment on post-harvest fruit softening and cell wall metabolism of prunes. 【Methods】Using Franciscan prunes from Jiashi County, Kashgar Prefecture, Xinjiang, as the test material.2% CaCl₂ was used to spray the fruits during the expansion, colour change and harvesting periods, and the post-harvested prune fruits were placed in cold storage at a temperature of (4±1)℃ and a humidity of 90%-95% for 42 d.【Results】The results showed that preharvest CaCl₂ treatment inhibited the rise in respiratory intensity and cell membrane perm ability of prune fruit, delayed the onset of respiratory peaks, delayed the decline in raw pectin and cellulose content, and inhibited the rise in soluble pectin, polygalacturonase, pectin methyl esterase, cellulase and β-glucosidase activities. CaCl₂ put off the post-harvest softening process of prune fruit by delaying the degradation of cell wall components, thus effectively maintaining the postharvest hardness of prune fruit. By 28 day of storage, the hardness of CaCl₂ treated prune fruit increased by 11.23 %, the cellulose content increased by 8.51 % and the polygalacturonase, pectin methyl esterase, cellulase and β-glucosidase activities decreased by 4.31 %, 32.60 %, 24.60 % and 64.38 %, respectively. 【Conclusion】Therefore, CaCl₂ preharvest treatment is a preservation method to improve the post-harvest quality of prune fruit.

Key words: calcium chloride; pre-harvest; prunes; cell wall metabolism

中图分类号:

S662.4

田全明, 殷贝贝, 祁华梅, 魏佳, 张政, 邢世均, 王曼, 袁宇尧, 吴斌. 采前喷施CaCl₂对西梅采后果实软化品质的影响[J]. 新疆农业科学, 2024, 61(7): 1717-1726.

TIAN Quanming, YAN Beibei, QI Huamei, WEI Jia, ZHANG Zheng, XIN Shijun, WANG Man, YUAN Yuyao, WU Bin. Effect of preharvest spraying of CaCl₂ on postharvest fruit softening quality of prunes[J]. Xinjiang Agricultural Sciences, 2024, 61(7): 1717-1726.

图/表 9

图1 CaCl2处理下西梅采后果实硬度的变化注:*表示同一贮藏时间2处理间差异显著(P<0.05)

Fig.1 Changes of CaCl2 treatment on firmness of postharvest prune fruit Note:*Significantly different between two groups for the same storage time(P<0.05)

图2 CaCl2处理下西梅采后果实呼吸强度的变化

Fig 2 Changes of CaCl2 treatment on the respiratory intensity of postharvest prune fruit

图3 CaCl2处理下西梅采后果实细胞膜渗透率的变化

Fig.3 Changes of CaCl2 treatment on the cell membrane permeability of postharvest prune fruit

图4 CaCl2处理下西梅采后果实PP(a)和WSP(b)含量的变化

Fig.4 Changes of CaCl2 treatment on PP(a) and WSP(b) contents of postharvest prune fruit

图5 CaCl2处理下西梅采后果实纤维素含量的变化

Fig.5 Changes of CaCl2 treatment on cellulose content of postharvest prune fruit

图6 CaCl2处理下西梅采后果实PG活性的变化

Fig.6 Changes of CaCl2 treatment on PG activity of postharvest prune fruit

图7 CaCl2处理下西梅采后果实PME活性的变化

Fig.7 Changes of CaCl2 treatment on PME activity of postharvest prune fruit

图8 CaCl2处理下西梅采后果实Cx活性的变化

Fig.8 Changes of CaCl2 treatment on Cx activity of postharvest prune fruit

图9 CaCl2处理下西梅采后果实β-Glu活性的变化

Fig.9 Changes of CaCl2 treatment on β-Glu activity of postharvest prune fruit

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采前喷施CaCl₂对西梅采后果实软化品质的影响

Effect of preharvest spraying of CaCl₂ on postharvest fruit softening quality of prunes

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