Postharvest UV-C Treatment Affects Bioactive Compounds and Maintains Quality of Okra (Abelmoschus esculentus L.) during Storage

IF 0.9 4区农林科学 Q4 HORTICULTURE Horticulture Journal Pub Date : 2023-11-02 DOI:10.2503/hortj.qh-092

Chairat Techavuthiporn, Amnat Jarerat, Chonlada Singhkai, Hataitip Nimitkeatkai

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Abstract

The effects of UV-C treatment on physicochemical quality, bioactive compounds and antioxidant activity of okra (Abelmoschus esculentus L.) during storage were investigated. Okra pods were exposed to UV-C irradiation dose at 1.5, 3.0 or 6.0 kJ·m⁻² before storage at 10 ± 2°C for 12 days. The results showed that UV-C treatment had a significant effect on okra bioactive compounds, such as ascorbic acid, total phenolic, flavonoid contents and antioxidant activity. The highest values of these compounds were observed in okra treated with 6.0 kJ·m⁻² UV-C irradiation. A statistical analysis of the data demonstrated that mucilage had a favorable association with antioxidant capabilities and bioactive substances in response to UV-C treatment. Moreover, UV-C treatment also effectively maintained the quality of okra during storage, as evidenced by lower weight loss and higher firmness without incidence of decay. Therefore, postharvest UV-C treatment can be a potential approach to enhance bioactive compounds and maintain the quality of okra during storage.

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采后UV-C处理对秋葵贮藏过程中生物活性成分的影响及品质的维持

研究了UV-C处理对秋葵贮藏期间理化品质、生物活性成分及抗氧化活性的影响。将秋葵豆荚分别置于1.5、3.0或6.0 kJ·m−2的UV-C照射下，在10±2℃条件下保存12 d。结果表明，UV-C处理对秋葵抗坏血酸、总酚、类黄酮含量及抗氧化活性均有显著影响。这些化合物在6.0 kJ·m−2 UV-C照射处理的秋葵中含量最高。对数据的统计分析表明，在UV-C处理下，粘液与抗氧化能力和生物活性物质有良好的关联。此外，UV-C处理也有效地保持了秋葵在储存期间的品质，证明了较低的重量损失和较高的硬度，没有发生腐烂。因此，采后UV-C处理是提高秋葵贮藏期间生物活性成分和保持秋葵品质的一种潜在方法。

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来源期刊

Horticulture Journal HORTICULTURE-

CiteScore

2.20

自引率

8.30%

发文量

期刊介绍： The Horticulture Journal (Hort. J.), which has been renamed from the Journal of the Japanese Society for Horticultural Science (JJSHS) since 2015, has been published with the primary objective of enhancing access to research information offered by the Japanese Society for Horticultural Science, which was founded for the purpose of advancing research and technology related to the production, distribution, and processing of horticultural crops. Since the first issue of JJSHS in 1925, Hort. J./JJSHS has been central to the publication of study results from researchers of an extensive range of horticultural crops, including fruit trees, vegetables, and ornamental plants. The journal is highly regarded overseas as well, and is ranked equally with journals of European and American horticultural societies.