基于柠檬醛-胸腺酚的增效虫胶涂料能延长低温条件下贮藏的金诺水果的货架期

IF 2.7 2区 农林科学 Q1 ENTOMOLOGY
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引用次数: 0

摘要

在贮藏和运输过程中,微生物腐败是导致金诺柑货架期缩短的主要原因。本研究旨在评估在受控条件下(5-7 °C,90-95 % 相对湿度(RH))75 天的 "金诺 "柑橘采后应用植物提取的柠檬醛和百里酚基虫胶蜡涂层的情况。水果涂上了添加柠檬醛(1.0 %,CSH)、百里酚(1.0 %,TSH)和柠檬醛-百里酚组合配方(1.0 %,CTSH (1:1))的虫胶蜡(SH)。流变学研究表明,赫歇尔-布尔克利模型最适合所有涂料溶液,可确保理想的铺展性和附着力。在冷藏条件下 75 天内,CTSH 涂层的平均变质率为 0.46%,而商用虫胶的平均变质率为 6.71%,CTSH 涂层优于所有其他处理方法。与商品虫胶涂层(7.62%)相比,经过处理的水果在 60 天内可将生理性重量损失控制在 5.73%。研究得出结论,在 5-7 °C 和 90-95 % 相对湿度的冷藏条件下,涂有 CTSH 涂层的金诺果实可贮藏 60 天,果实质量可接受(感官评分 7.83)。研究还发现,果胶甲基酯酶(PME)和纤维素酶等细胞壁降解酶的活性也被延缓,有助于延长货架期。因此,这些涂层可作为合成类似物的绿色替代品,在冷藏条件下不会对健康产生副作用,可将金诺收获后的货架期延长至 60 天。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Citral-thymol based synergistic shellac coatings enhanced shelf life of Kinnow fruit stored under low temperature conditions

Microbial spoilage incurs the main cause of reduced shelf life of Kinnow during storage and transportation. This study aimed to evaluate the postharvest application of plant-derived citral and thymol-based shellac wax coatings on ‘Kinnow’ mandarin under controlled conditions (5–7 °C, 90–95 % relative humidity (RH)) over a 75-day storage period. The fruit were coated with shellac wax (SH) supplemented with citral (1.0 %, CSH), thymol (1.0 %, TSH) and citral-thymol combined formulation (1.0 %, CTSH (1:1)). Rheology studies revealed that the Herschel–Bulkley model was the best fit for all coating solutions, ensuring desirable spreadability and adhesion. The CTSH-coating outperformed all other treatments by reducing mean spoilage to 0.46% as compared to commercial shellac (6.71%) over a period of 75 days under cold store conditions. The treated fruit could control the physiological weight loss to 5.73 % as compared to commercial SH coatings (7.62 %) for 60 days. The study concluded that CTSH-coated Kinnow fruit can be stored up to 60 days under cold store conditions at 5–7 °C and 90–95 % RH with acceptable fruit quality (sensory score 7.83). The activities of cell wall degrading enzymes such as Pectin methylesterase (PME) and cellulase were also found to be retarded, contributing to prolonged shelf life. Therefore, these coatings may offer a green substitute to the synthetic analogues, with no health side effects for extending the postharvest shelf life of Kinnow up to 60 days under cold store conditions.

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来源期刊
CiteScore
5.70
自引率
18.50%
发文量
112
审稿时长
45 days
期刊介绍: The Journal of Stored Products Research provides an international medium for the publication of both reviews and original results from laboratory and field studies on the preservation and safety of stored products, notably food stocks, covering storage-related problems from the producer through the supply chain to the consumer. Stored products are characterised by having relatively low moisture content and include raw and semi-processed foods, animal feedstuffs, and a range of other durable items, including materials such as clothing or museum artefacts.
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