Volume 9, Issue 1 (5-2019)                   2019, 9(1): 79-92 | Back to browse issues page

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Gholizadeh F, Seyed Hajizadeh H, Bahmani َ, rasoli F. The Study of Some Qualitative and Antioxidative Indices of Two Cultivars of Grape (Vitis vinifera L.) During Storage Life. Journal of Crop Production and Processing 2019; 9 (1) :79-92
URL: http://jcpp.iut.ac.ir/article-1-2701-en.html
Maragheh University , hhajizade@ut.ac.ir
Abstract:   (2046 Views)

One of the most important characteristics of fruit crops is susceptibility to decay and quality reduction during storage life. Crops with higher antioxidant capacity are tolerant to stress and have greater nutritional quality and storage life. Hence, to investigate the antioxidant capacity of two grape cultivars Ghezel uzum and Red hosseini a factorial experiment with 3 replications was carried out as a Randomized complete block design. Results showed that the percentage of weight loss in Ghezel uzum cultivar was 1.5 fold greater than Red hosseini cultivar. Berry quality traits such as total soluble solids, pH, the amount of electrolyte conductivity and fruit taste index were increased while titrable acidity, carotenoid, chlorophyll a and b, anthocyanin, vitamin C, total phenol and the amount of antioxidant activity were decreased during storability in both cultivars. Ghezel uzum had more carotenoids than Red Hosseini (2.6 fold) but the extent of decreases in pigment concentration in Red hosseini was lesser than that of the other cultivar. In contrast the amount of antioxidant capacity (88.20% and 17.38% in skin and pulp, respectively), total phenol (204.4 and 2.11 mg 100gFw-1 in skin and pulp, respectively) and chlorophyll a and b (1.13 and 3.9 󠇍µg Kg-1, respectively) was greater in Red Hosseini cultivar compared to Ghezel uzum cultivar. It may be concluded that the Red hosseini cultivar has a greater capability in preserving its quality characteristics at the end of storage life, compared to other cultivar.

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Type of Study: Research | Subject: General

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