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通过先进涂层技术提高草莓采后品质和货架期：壳聚糖和甘氨酸甜菜碱纳米颗粒处理的综合研究

Enhancing Postharvest Quality and Shelf Life of Strawberries through Advanced Coating Technologies: A Comprehensive Investigation of Chitosan and Glycine Betaine Nanoparticle Treatments.

作者信息

Bahmani Reza, Razavi Farhang, Mortazavi Seyed Najmmaddin, Gohari Gholamreza, Juárez-Maldonado Antonio

机构信息

Department of Horticulture, Faculty of Agriculture, University of Zanjan, Zanjan 45371-38791, Iran.

Department of Horticulture, Faculty of Agriculture, University of Maragheh, Maragheh 83111-55181, Iran.

出版信息

Plants (Basel). 2024 Apr 18;13(8):1136. doi: 10.3390/plants13081136.

DOI:10.3390/plants13081136
PMID:38674545
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC11054076/
Abstract

The application of natural polymer-based coatings presents a viable approach to prolong the longevity of fruits and tissue damage. This study investigates the impact of treatments involving glycine betaine (GB), chitosan (CTS), and chitosan-coated glycine betaine nanoparticles (CTS-GB NPs) on preserving the quality and reducing decay in strawberry fruits. The fruits were subjected to treatments with GB (1 mM), CTS (0.1%), CTS-GB NPs (0.1%), or distilled water at 20 °C for 5 min, followed by storage at 4 °C for 12 days. The results indicate that CTS and CTS-GB NPs treatments resulted in the highest tissue firmness, total anthocyanin content, and ascorbate peroxidase activity, while exhibiting the lowest decay percentage and weight loss, as well as reduced malondialdehyde levels at the end of storage. GB, CTS, and CTS-GB NPs treatments demonstrated elevated catalase activity and antioxidant capacity, coupled with lower electrolyte leakage and hydrogen peroxide levels. These treatments did not significantly differ from each other but were markedly different from the control. The results substantiate that CTS and CTS-GB NPs treatments effectively preserve strawberry quality and extend storage life by bolstering antioxidant capacity and mitigating free radical damage.

摘要

基于天然聚合物的涂层应用为延长水果寿命和减少组织损伤提供了一种可行的方法。本研究调查了甘氨酸甜菜碱（GB）、壳聚糖（CTS）和壳聚糖包被的甘氨酸甜菜碱纳米颗粒（CTS-GB NPs）处理对保持草莓果实品质和减少腐烂的影响。将果实分别用GB（1 mM）、CTS（0.1%）、CTS-GB NPs（0.1%）或蒸馏水在20℃处理5分钟，然后在4℃储存12天。结果表明，CTS和CTS-GB NPs处理导致果实组织硬度最高、总花青素含量最高、抗坏血酸过氧化物酶活性最高，同时在储存结束时腐烂率最低、失重最低，丙二醛水平降低。GB、CTS和CTS-GB NPs处理均表现出过氧化氢酶活性和抗氧化能力升高，同时电解质渗漏和过氧化氢水平降低。这些处理之间没有显著差异，但与对照有显著差异。结果证实，CTS和CTS-GB NPs处理通过增强抗氧化能力和减轻自由基损伤有效地保持了草莓品质并延长了储存寿命。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7e79/11054076/00f337ff1004/plants-13-01136-g009a.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7e79/11054076/f97e812c1095/plants-13-01136-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7e79/11054076/177d0e719ee6/plants-13-01136-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7e79/11054076/4ea9e1d2c325/plants-13-01136-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7e79/11054076/36222ca00020/plants-13-01136-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7e79/11054076/67bd570b5555/plants-13-01136-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7e79/11054076/a2dab7d13d73/plants-13-01136-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7e79/11054076/509f30d6e282/plants-13-01136-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7e79/11054076/12fb0e817754/plants-13-01136-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7e79/11054076/00f337ff1004/plants-13-01136-g009a.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7e79/11054076/f97e812c1095/plants-13-01136-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7e79/11054076/177d0e719ee6/plants-13-01136-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7e79/11054076/4ea9e1d2c325/plants-13-01136-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7e79/11054076/36222ca00020/plants-13-01136-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7e79/11054076/67bd570b5555/plants-13-01136-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7e79/11054076/a2dab7d13d73/plants-13-01136-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7e79/11054076/509f30d6e282/plants-13-01136-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7e79/11054076/12fb0e817754/plants-13-01136-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7e79/11054076/00f337ff1004/plants-13-01136-g009a.jpg

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