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Influence of Types of Modified Atmospheric Packaging (MAP) Films on Cold-Storage Life and Fruit Quality of ‘Kinnow’ Mandarin (Citrus nobilis Lour X C. deliciosa Tenora)
International Journal of Fruit Science ( IF 2.4 ) Pub Date : 2020-09-14 , DOI: 10.1080/15538362.2020.1818163
A K Baswal 1 , H S Dhaliwal 1 , Zora Singh 2 , BVC Mahajan 3
Affiliation  

ABSTRACT An investigation was aimed to evaluate the efficacy of different MAP films viz., low-density polyethylene (LDPE)-film (25 μ), LDPE-film (38 μ), polypropylene (PP)-film (25 μ), PP-film (38 μ), LDPE-film (25 μ) with pinholes, LDPE-film (38 μ) with pinholes, PP-film (25 μ) with pinholes, and PP-film (38 μ) with pinholes on cold-storage life and fruit quality of ‘Kinnow’ (Citrus nobilis Lour x C. deliciosa Tenora) mandarin. The packed and control fruits were kept under cold-storage conditions (5–7 °C and 90–95 % RH) up to 75 days. The fruits were sampled following 0, 30, 45, 60, and 75 days cold storage and assessed for different quality parameters. The results indicate variability among the different MAP treatments for weight loss, spoilage loss, juice content, firmness, pectin content, activities of fruit softening enzymes, soluble solids concentration (SSC), titratable acidity (TA), ascorbic acid content, total phenol content, total antioxidant activity, total carotenoids content, and organoleptic sensory attributes. Among all MAP treatments, PP-film (25 μ) with pinholes was the most effective in maintaining various fruit quality parameters such as SSC, TA, ascorbic acid, sensory attributes, and retarding the activities of fruit softening enzymes such as pectin methylesterase (PME) and cellulase fruit up to 60 days in cold storage. Positive correlation was found among ascorbic acid content, total antioxidant activity, and total phenols and between PME and cellulase activity.

中文翻译:

气调包装(MAP)薄膜类型对'金诺'柑橘(Citrus nobilis Lour X C. deliciosa Tenora)冷藏寿命和果实品质的影响

摘要 一项研究旨在评估不同 MAP 薄膜的功效,即低密度聚乙烯 (LDPE) 薄膜 (25 μ)、LDPE 薄膜 (38 μ)、聚丙烯 (PP) 薄膜 (25 μ)、PP -薄膜 (38 μ)、带针孔的 LDPE-薄膜 (25 μ)、带针孔的 LDPE-薄膜 (38 μ)、带针孔的 PP-薄膜 (25 μ) 和带针孔的 PP-薄膜 (38 μ) - 'Kinnow' (Citrus nobilis Lour x C. deliciosa Tenora) 柑橘的贮藏寿命和果实品质。包装和对照水果在冷藏条件下(5-7°C 和 90-95% RH)保存长达 75 天。在冷藏 0、30、45、60 和 75 天后对水果进行取样,并评估不同的质量参数。结果表明不同 MAP 处理在重量减轻、腐败损失、果汁含量、硬度、果胶含量、水果软化酶活性、可溶性固形物浓度 (SSC)、可滴定酸度 (TA)、抗坏血酸含量、总酚含量、总抗氧化活性、总类胡萝卜素含量和感官感官属性。在所有 MAP 处理中,具有针孔的 PP 薄膜(25 μ)在保持各种水果质量参数(如 SSC、TA、抗坏血酸、感官属性)和延缓水果软化酶(如果胶甲酯酶(PME)的活性方面最有效) ) 和纤维素酶果实在冷库中长达 60 天。发现抗坏血酸含量、总抗氧化活性和总酚之间以及 PME 和纤维素酶活性之间呈正相关。在所有 MAP 处理中,具有针孔的 PP 薄膜(25 μ)在保持各种水果质量参数(如 SSC、TA、抗坏血酸、感官属性)和延缓水果软化酶(如果胶甲酯酶(PME)的活性方面最有效) ) 和纤维素酶果实在冷库中长达 60 天。发现抗坏血酸含量、总抗氧化活性和总酚之间以及 PME 和纤维素酶活性之间呈正相关。在所有 MAP 处理中,具有针孔的 PP 薄膜(25 μ)在保持各种水果质量参数(如 SSC、TA、抗坏血酸、感官属性)和延缓水果软化酶(如果胶甲酯酶(PME)的活性方面最有效) ) 和纤维素酶果实在冷库中长达 60 天。发现抗坏血酸含量、总抗氧化活性和总酚之间以及 PME 和纤维素酶活性之间呈正相关。
更新日期:2020-09-14
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