THE EFFECT OF DIFFERENT MOLECULAR WEIGHTS OF CHITOSAN ON THE YIELD, QUALITY, AND HEALTH-PROMOTING PROPERTIES OF STRAWBERRIES

IF 0.8 Q4 MATERIALS SCIENCE, BIOMATERIALS

Progress on Chemistry and Application of Chitin and its Derivatives Pub Date : 2022-09-30 DOI:10.15259/pcacd.27.015

I. Ochmian, S. Lachowicz, M. Krupa-Małkiewicz

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引用次数: 1

Abstract

Chitosan could be an alternative to synthetic plant protection chemicals commonly used in strawberry cultivation. The aim of this study was to determine the effect of chitosan with different molecular weights on the yield, health, and quality of Korona cultivar strawberries. The largest number of strawberries was harvested from plants sprayed with chitosan with a molecular weight of 50k kDa (611 g/plant). On the other hand, the largest (1017 g/100 fruit) and the firmest (225 G mm) strawberries were harvested from plants sprayed with chitosan125k kDa. Compared with the control, chitosan with a molecular weight >50 kDa also increased the contents of l-ascorbic acid and polyphenols and the antioxidant activity and improved fruit colour compared with the control. The plants were also more resistant to grey mould infestation. The experiment has shown that how chitosan interacts with fruit depends on its molecular weight, and chitosan with a higher molecular weight has a better effect on most traits determining fruit quality.

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壳聚糖不同分子量对草莓产量、品质及保健性能的影响

壳聚糖可以替代草莓栽培中常用的合成植物保护化学品。本研究的目的是确定不同分子量的壳聚糖对科罗纳品种草莓产量、健康和品质的影响。从喷洒分子量为50kkDa（611g/株）的壳聚糖的植物中收获的草莓数量最多。另一方面，从施用125kDa壳聚糖的植物中收获最大（1017g/100果实）和最结实（225Gmm）的草莓。与对照组相比，分子量＞50kDa的壳聚糖还提高了l-抗坏血酸和多酚的含量以及抗氧化活性，并改善了果实的色泽。这些植物也更能抵抗灰霉菌的侵扰。实验表明，壳聚糖与果实的相互作用取决于其分子量，而分子量越大的壳聚糖对大多数决定果实品质的性状影响越大。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Progress on Chemistry and Application of Chitin and its Derivatives MATERIALS SCIENCE, BIOMATERIALS-

CiteScore

1.10

自引率

16.70%

发文量

期刊介绍： Progress in the Chemistry and Application of Chitin and its Derivatives is an annual journal focused on all aspects of production, modification, enzymology and application of chitin and its many derivatives, including chitosan. The journal publishes full-length papers as well as invited reviews. To be considered, papers must present original research that has not been published or accepted for publication elsewhere. The language of the journal will be English.