Structure quality and surface coating in mangosteens with normal and damaged peel
1994
Supa Phongsopa | Chittima Singhavorakij | Jingtair Siriphanich (Kasetsart Univ., Bangkok (Thailand). Faculty of Agriculture. Dept. of Horticulture)
Structure of the surface of mangosteen with normal peel consisted of a continuous layer of cuticle and the epidermis on the outermost, followed by parenchyma tissue and a strip of sclereids. For mangosteen which was damaged by thrips at anthesis, the epidermis was destroyed and replaced with periderm and lenticels as the fruit became older. The damaged fruit had higher weight loss of 2.23 percent per day afterharvest, as compared to 1.63 percent per day in normal fruit. Soluble solid content and titratable acidity of damaged fruit were significantly higher than those of normal fruit, but ascorbic acid content was similar. Coating with 15 percent carnauba or shellac reduced weight loss equally in normal fruit. In damaged fruit, however, carnauba coating resulted in better weight loss control. Internal quality was simila rin both coated and uncoated fruits. The appearance of damaged fruit after coating resembled that of normal fruit.
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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