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Author: search.filters.author.Ahuja, A. JunpatiwSubject: search.filters.subject.CaCl2

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    Preharvest calcium chloride sprays improving physicochemical quality of mulberries (Morus alba L. ‘Chiang Mai 60’) during refrigeration
    (2024-06-01)
    Supapvanich, S.
    ;
    Sangchan, P.
    ;
    Youryon, P.
    ;
    Ahuja, A. Junpatiw
    The aim of this work was to investigate the efficiency of preharvest CaCl2 sprays on quality of ‘Chiang Mai 60’ mulberries during refrigeration. The mulberries at the stage of 40 days after anthesis were sprayed with water (control), 0.5 or 1% CaCl2. The fruits were then harvested after spraying for 5 days and refrigerated at 5°C for 6 days. The visual appearance, texture, total soluble solids (TSS) content, total acidity (TA), antioxidant activities and certain secondary metabolites of the mulberries were monitored. Both CaCl2 sprays had no effect on the visual appearance during storage. Both CaCl2 sprays enhanced fruit firmness and delayed the fruit softening during refrigeration. Both CaCl2 treatments delayed the increased TSS content and maintained the TA content. Total phenols, ascorbic acid and anthocyanin contents of the mulberries were enhanced by the CaCl2 sprays. Both CaCl2 sprays delayed the decreased antioxidant capacity and enhanced the free radical scavenging activity during the refrigeration. The efficiency of 0.5 and 1% CaCl2 preharvest sprays on improving postharvest quality of the mulberries was not different. This indicates that CaCl2 preharvest sprays improved postharvest quality of the mulberries which 0.5% CaCl2 is the suggested concentration.