在自然贮藏条件下,复合食用涂层可延长番石榴的货架期并保持其收获后的品质

IF 2.4 3区 农林科学 Q1 Agricultural and Biological Sciences
Karishma Kohli, Ankit Kumar, Omveer Singh, Prithwiraj Dey
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引用次数: 0

摘要

目前的研究探索了在亚热带地区普遍存在的高湿度和高温度条件下延长番石榴采后货架期的创新策略,在番石榴果实上涂抹复合食用涂层,并分析其对关键生理参数的影响。结果表明,橄榄油与质地增强剂+抗氧化剂(OTE + AO)复合处理可在整个贮藏过程中始终保持优异的果实硬度,与未涂覆的对照组相比,软化程度显著降低了 34.3%。复合食用涂层,即橄榄油+质构增强剂(OTE)、海藻酸钠+质构增强剂+抗氧化剂(STE + AO)和芦荟+质构增强剂+抗氧化剂(ATE + AO),在贮藏第三天显示出可滴定酸度水平升高,比对照组高出 10-15%,表明其具有延长货架期的潜力。此外,包衣水果显示出持续的总糖水平,OTE + AO 处理在 15 天后比对照组显著增加了 8.5%。值得注意的是,在整个贮藏过程中,OTE + AO 和 OTE 处理的总黄酮含量降幅最小,比未涂层的同类水果高出 12-15% 。这些处理在减轻多酚氧化酶活性方面显示出巨大的功效,将酶促褐变降低了 32.7-34.3%。涂层处理保留了超氧化物歧化酶活性,使其水平提高了 10-15%,这表明抗氧化防御系统得到了增强。这项研究结果表明,使用复合涂层可以延长番石榴的货架期,使其具有最佳的生化特性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Composite edible coatings can extend shelf-life and maintain postharvest qualities of guava under natural storage

Composite edible coatings can extend shelf-life and maintain postharvest qualities of guava under natural storage

The current study explores innovative strategies for extending the postharvest shelf life of guava under high humidity and temperature conditions prevalent in sub-tropical regions with composite edible coatings to guava fruits and analyzing their impact on key physiological parameters. Results reveal that the composite Olive oil with texture enhancer + Antioxidant (OTE + AO) treatment consistently maintained superior fruit firmness throughout storage, with a remarkable reduction in softening by 34.3% compared to uncoated controls. Composite edible coatings viz. Olive oil with texture enhancer (OTE), Sodium alginate with texture enhancer + Antioxidant (STE + AO), and Aloe vera with texture enhancer + Antioxidant (ATE + AO) exhibited elevated titratable acidity levels on the third day of storage, surpassing the control by 10–15%, indicating potential for extended shelf life. Moreover, coated fruits exhibited sustained total sugar levels, with OTE + AO treatment demonstrating a significant 8.5% increase compared to controls after fifteen days. Notably, the OTE + AO and OTE treatments showcased the least decline in total flavonoid content throughout storage, maintaining 12–15% higher levels than uncoated counterparts. These displayed substantial efficacy in mitigating polyphenol oxidase activity, reducing enzymatic browning by 32.7–34.3%. Preserving superoxide dismutase activity in coated treatments, resulting in 10–15% increased levels, indicates enhanced antioxidant defence systems. This study’s results have found the possibility of extending guava’s shelf life with optimum biochemical properties with composite coatings.

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来源期刊
Horticulture Environment and Biotechnology
Horticulture Environment and Biotechnology Agricultural and Biological Sciences-Horticulture
CiteScore
4.30
自引率
4.20%
发文量
0
审稿时长
6 months
期刊介绍: Horticulture, Environment, and Biotechnology (HEB) is the official journal of the Korean Society for Horticultural Science, was launched in 1965 as the "Journal of Korean Society for Horticultural Science". HEB is an international journal, published in English, bimonthly on the last day of even number months, and indexed in Biosys Preview, SCIE, and CABI. The journal is devoted for the publication of original research papers and review articles related to vegetables, fruits, ornamental and herbal plants, and covers all aspects of physiology, molecular biology, biotechnology, protected cultivation, postharvest technology, and research in plants related to environment.
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