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首页> 外文期刊>Food Science & Nutrition >Potential of UVC germicidal irradiation in suppressing crown rot disease, retaining postharvest quality and antioxidant capacity of Musa AAA ?￠????Berangan?￠???? during fruit ripening
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Potential of UVC germicidal irradiation in suppressing crown rot disease, retaining postharvest quality and antioxidant capacity of Musa AAA ?￠????Berangan?￠???? during fruit ripening

机译：UVC杀菌辐射在抑制冠腐病，保持收获后质量和Musa AAA的抗氧化能力方面的潜力在果实成熟期间

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Abstract Crown rot caused by fungal pathogen is the most prevalent postharvest disease in banana fruit that results significant economic losses during transportation, storage, and ripening period. Antifungal effects of ultraviolet C (UVC) irradiation at doses varied from 0.01 to 0.30 kJ m ?￠????2 were investigated in controlling postharvest crown rot disease, maintenance of fruit quality, and the effects on antioxidant capacity of Berangan banana fruit during ripening days at 25 ???± 2???°C and 85% RH. Fruits irradiated with 0.30 kJ m ?￠????2 exhibited the highest (i.e., 62.51%) reduction in disease severity. However, the application of UVC at all doses caused significant browning damages on fruit peel except the dose of 0.01 kJ m ?￠????2 . This dose synergistically reduced 46.25% development of postharvest crown and did not give adverse effects on respiration rate, ethylene production, weight loss, firmness, color changes, soluble solids concentration, titratable acidity, and pH in banana as compared to the other treatments and control. Meanwhile, the dose also enhanced a significant higher level of total phenolic content, FRAP, and DPPH values than in control fruits indicating the beneficial impact of UVC in fruit nutritional quality. The results of scanning electron micrographs confirmed that UVC irradiation retarded the losses of wall compartments, thereby maintained the cell wall integrity in the crown tissue of banana fruit. The results suggest that using 0.01 kJ m ?￠????2 UVC irradiation dose as postharvest physical treatment, the crown rot disease has potential to be controlled effectively together with maintaining quality and antioxidant of banana fruit.
机译：摘要由真菌病原体引起的冠腐病是香蕉果实中最普遍的收获后病害，在运输，储存和成熟期间会造成重大的经济损失。研究了紫外线C（UVC）辐照在0.01到0.30 kJ m ??????? 2范围内的抗真菌作用，以控制收获后冠腐病，维持果实品质以及对Berangan香蕉果实在生产过程中的抗氧化能力的影响。在25±2℃和85％RH的条件下成熟。用0.30kJ·m≤2≤2辐照的水果显示出疾病严重程度的最高降低（即62.51％）。然而，所有剂量的UVC的施用都对果皮造成了明显的褐变损害，除了0.01kJ·m≤2≤2的剂量。与其他处理和对照相比，该剂量协同减少了收获后冠的发育46.25％，并且对呼吸速率，乙烯产量，体重减轻，硬度，颜色变化，可溶性固形物浓度，可滴定酸度和pH值没有产生不利影响。 。同时，该剂量还提高了总酚含量，FRAP和DPPH值，显着高于对照水果，表明UVC对水果营养品质的有益影响。扫描电子显微镜的结果证实，UVC辐照可延缓壁室的损失，从而保持香蕉果实冠状组织中细胞壁的完整性。结果表明，采用0.01kJ·m·λ-1·2 UVC辐照剂量作为收获后的物理处理，冠腐病有可能得到有效控制，同时保持香蕉果实的品质和抗氧化剂。

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