4.5 Article

Postharvest sour cherry quality and safety maintenance by exposure to Hot- water or treatment with fresh Aloe vera gel

Journal

JOURNAL OF FOOD SCIENCE AND TECHNOLOGY-MYSORE
Volume 51, Issue 10, Pages 2872-2876

Publisher

SPRINGER INDIA
DOI: 10.1007/s13197-012-0767-z

Keywords

Sour cherry; Aloe vera; Fruit coating; Hot water treatment; Shelf life stability

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Iranian sour cherries (Prunus cerasus) were coated with fresh Aloe vera gel or treated with hot water (40 +/- 2 A degrees C) for 2 min and stored for 17 days at 4 A +/- 1 A degrees C. The physicochemical characteristics of gel coated and hot water treated samples were compared with untreated fruit during the cold storage period. Untreated fruit showed increased respiration rate, rapid weight loss and colour change, accelerated aging and ripening. On the contrary, sour cherries, particularly those coated with gel significantly delayed the above mentioned parameters allowing a fruit storability extension. The sensory analysis in both treatments revealed beneficial effects in terms of delaying dehydration, maintenance of fruit visual aspect without any detrimental effect on taste, aroma or flavours. Consequently, Aloe vera gel coating and immersion in hot water maintained the properties during postharvest storage of sour cherries and could be introduced as two valuable, simple and non-contaminating treatments.

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