EFFECT OF CHITOSAN-BASED SPRAYING ON THE QUALITY OF HIGHBUSH BLUEBERRIES (SUNRISE CULTIVAR)

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.27.005

Monika Figiel-Kroczyńska, I. Ochmian, M. Krupa-Małkiewicz

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引用次数: 1

Abstract

The consumption of highbush blueberries has been growing rapidly in recent years due to their taste and health-promoting qualities. Various solutions have been sought to obtain the highest quality fruit after harvest. In the era of eco-friendly products, it is important that the methods used are natural and ecological. For this purpose, chitosan (CH) was sprayed five times on highbush blueberry bushes before harvesting. Different molecular weights of CH (5, 12, 21, 50, 125, and 500 kDa) were used in this study. The physical and biochemical characteristics of the fruit were investigated. The antioxidant activity, microbial contaminants, and mycotoxins in fruit were also analysed. Application of CH affected the quality of highbush blueberries after harvest. The molecular weight of CH had a significant effect on the studied traits. The application of high-molecular-weight CH improved physical characteristics such as the average weight of 100 blueberries, firmness, and puncture. Furthermore, the blueberries had a more intense blue colour; were characterised by a higher content of l-ascorbic acid and polyphenols, especially anthocyanins; and did not contain mycotoxins. Spraying with CH can be recommended in the organic cultivation of highbush blueberries to obtain robust fruit with health-promoting qualities.

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壳聚糖喷施对高丛蓝莓(日出品种)品质的影响

近年来，由于其口感和促进健康的品质，高丛蓝莓的消费量迅速增长。人们一直在寻求各种解决方案，以在收获后获得最高质量的水果。在环保产品时代，使用的方法是自然和生态的，这一点很重要。为此，在收获前，将壳聚糖（CH）喷洒在高丛蓝莓灌木上五次。本研究中使用了不同分子量的CH（5、12、21、50、125和500kDa）。对果实的物理生化特性进行了研究。还分析了水果中的抗氧化活性、微生物污染物和真菌毒素。CH的施用影响了高丛蓝莓采后的品质。CH的分子量对所研究的性状有显著影响。高分子量CH的应用改善了物理特性，例如100个蓝莓的平均重量、硬度和穿刺性。此外，蓝莓的蓝色更浓；其特征是l-抗坏血酸和多酚含量较高，尤其是花青素；并且不含真菌毒素。建议在高丛蓝莓的有机栽培中喷洒CH，以获得具有促进健康品质的健壮果实。

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.