Abstract
In this study, the effects of methyl jasmonate [MeJA (0.5 and 1.0 mmol L-1)] and modified atmosphere packaging (MAP) applications on the physical and mechanical properties of ‘Precoce de Thyrinthe’ apricot variety during cold storage were investigated. Fruit were stored at 0±0.5C and 90±5% relative humidity for 20 days. Physical properties of apricot such as geometric mean diameter, sphericity, surface area, bulk and fruit densities; mechanical properties such as puncture-compression forces and friction coefficient were determined. It was observed that MeJA application did not produce a significant difference on the size characteristics of apricot compared to the harvest period. Regarding the storage time, decreases were observed in the change of compression force results obtained from the X-, Y- and Z- axes according to the increase in the storage time. Effect on the puncture force on three axes showed a lower tendency to decrease in MAP application than in the harvest period compared to the application without MAP. The coefficient of friction on laminate and galvanized sheet surfaces was lower than PVC, plywood and rubber surfaces.
Highlights
Having high β-carotene and lycopene activity, apricot may prevent heart diseases
On day 5 measurements of storage, the length (L) value of the fruit stored in modified atmosphere packaging (MAP) and treated with metil jasmonat (MeJA) was found to be significantly higher than the control fruit
When the overall means of MAP application were compared, it was found that the length, width and thickness values of fruit stored in MAP were significantly higher than those not stored in MAP (Table 1)
Summary
Having high β-carotene and lycopene activity, apricot may prevent heart diseases. It regulates digestive conditions such as constipation and diverticulitis and is an excellent food for anemia due to its rich and valuable fiber source and high iron content (Vardi et al, 2008). It was aimed to determine the effect of MeJA and modified atmosphere packaging applications on some physical and mechanical properties of ‘Prococe de Thyrinthe’ apricot variety during cold storage.
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