Composite Coatings with Liposomes of Melissa officinalis Extract for Extending Tomato Shelf Life

IF 3 Q2 MATERIALS SCIENCE, COMPOSITES

Journal of Composites Science Pub Date : 2024-07-22 DOI:10.3390/jcs8070283

R. González-Cuello, Luis Gabriel Fuentes, Heliana Milena Castellanos, J. Hernández‐Fernández, Rodrigo Ortega-Toro

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Abstract

In this study, active coatings based on carboxymethylcellulose (CMC) were prepared using liposomes filled with an aqueous extract of Melissa officinalis retained in high acyl gellan gum (HAG), low acyl gellan gum (LAG), and their mixture (HAG/LAG). The objective was to investigate the effect of these coatings on postharvest preservation of tomato (Solanum lycopersicum) fruits. The tomato fruits were divided into four groups: (i) coating with HAG-based liposomes (WL-HAG), (ii) coating with LAG-based liposomes (WL-LAG), (iii) coating with HAG/LAG-based liposomes (WL-HAG/LAG), and (iv) control group treated with sterile water. Over a period of 10 days, various quality attributes, such as respiration rate, soluble solids, titratable acidity, luminosity, weight loss, malondialdehyde (MDA) content, hydrogen peroxide, total phenols, and DPPH scavenging ability, were studied. The results indicated that the WL-HAG coatings significantly (p < 0.05) decreased the respiration rate, hydrogen peroxide, and MDA content compared to the control fruits and other coatings. Therefore, WL-HAG could be considered a promising option to enhance postharvest preservation of tomato fruits in the Colombian fruit and vegetable industry.

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含香蜂草提取物脂质体的复合涂层可延长番茄的保质期

本研究利用脂质体制备了基于羧甲基纤维素（CMC）的活性涂层，脂质体中分别含有高酰基结冷胶（HAG）、低酰基结冷胶（LAG）和它们的混合物（HAG/LAG）中保留的香蜂花水提取物。目的是研究这些涂层对番茄（Solanum lycopersicum）果实采后保存的影响。番茄果实被分为四组：(i) 以 HAG 为基础的脂质体包衣组（WL-HAG）；(ii) 以 LAG 为基础的脂质体包衣组（WL-LAG）；(iii) 以 HAG/LAG 为基础的脂质体包衣组（WL-HAG/LAG）；(iv) 以无菌水处理的对照组。在 10 天的时间里，研究了各种质量属性，如呼吸速率、可溶性固形物、滴定酸度、光亮度、重量损失、丙二醛（MDA）含量、过氧化氢、总酚和 DPPH 清除能力。结果表明，与对照水果和其他涂层相比，WL-HAG 涂层能显著降低呼吸速率、过氧化氢和 MDA 含量（p < 0.05）。因此，WL-HAG 被认为是哥伦比亚果蔬业中提高番茄果实采后保鲜效果的一种很有前途的选择。

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

Journal of Composites Science MATERIALS SCIENCE, COMPOSITES-

CiteScore

5.00

自引率

9.10%

发文量

328

审稿时长

11 weeks