评估在冷藏条件下二氧化钛纳米粒子和三聚磷酸钠对黄瓜的涂层处理，以延长货架期。

Evaluating the coating process of titanium dioxide nanoparticles and sodium tripolyphosphate on cucumbers under chilling condition to extend the shelf-life.

机构信息

Department of Mechanical Engineering, Faculty of Engineering, Taif University, P.O. 11099, Taif, 21944, Saudi Arabia.

Department of Food Science and Nutrition, College of Sciences, Taif University, P.O. 11099, Taif, 21944, Saudi Arabia.

出版信息

Sci Rep. 2021 Oct 13;11(1):20312. doi: 10.1038/s41598-021-99023-3.

DOI:10.1038/s41598-021-99023-3

PMID:34645839

原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC8514431/

Abstract

Cucumber is a highly perishable fruit, that can easily suffer from water loss, condensation, shriveling, yellowing and decay. The present investigation aim was to extending the shelf-life of cucumber using eco-friendly sodium tripolyphosphate and nano-material. Decay; hardness; succinate dehydrogenase activity (SDH); condensation and shriveling rates; and visual quality assessments of cucumbers fruits were evaluated during 21 days of storage period at 10 °C. There was a slight incidence of decay among (Chitosan/Titanium Dioxide Nanoparticles) CS-TiO and (Chitosan/Titanium Dioxide Nanoparticles/Sodium Tripolyphosphate) CS-TiO-STP samples, which reported the lowest decay incidence 2.21% in CS-TiO, while CS-TiO-STP did not show any decay at end of storage period. CS-TiO-STP recorded the lowest value in SDH activity 0.08 ∆OD min mg protein. Very slight hardness, water condensation, and shriveling were detected in CS-TiO samples, while CS-TiO-STP was the lowest compared with other SC samples and control. In general, CS-TiO-STP treatment was found most potential to enhance the postharvest shelf life of cucumber throughout the storage period up to 21 day.

摘要

黄瓜是一种极易腐烂的水果，容易失水、结露、枯萎、变黄和腐烂。本研究旨在使用环保型三聚磷酸钠和纳米材料来延长黄瓜的货架期。在 10°C 的贮藏期内，对黄瓜果实的腐烂率、硬度、琥珀酸脱氢酶活性（SDH）、结露和枯萎率以及外观质量进行了 21 天的评估。壳聚糖/二氧化钛纳米粒子（CS-TiO）和壳聚糖/二氧化钛纳米粒子/三聚磷酸钠（CS-TiO-STP）样品中只有轻微的腐烂现象，CS-TiO 中报告的腐烂率最低为 2.21%，而 CS-TiO-STP 在贮藏期末没有出现任何腐烂现象。CS-TiO-STP 的 SDH 活性最低，为 0.08 ∆OD min mg 蛋白。CS-TiO 样品中仅检测到极轻微的硬度、水分凝结和枯萎，而 CS-TiO-STP 与其他 SC 样品和对照相比，其值最低。总的来说，CS-TiO-STP 处理在整个贮藏期内（长达 21 天）最有潜力提高黄瓜的采后货架期。