Mangosteen is one of the horticultural products that easily damages and has a relatively short shelf-life. The abilities of the mixed of APSA 80 and sesame (Sesamun indicum L.) with different concentrations as coting materials to maintain the quality and extend the self-life of mangosteen fruits were tested during storage. The main objective was to find the best mixed showed that the mixed concentrations of 0.06% APSA 80 and 0.5 % sesame oil, as well as the mixed concentrations of 0.06% APSA 80 and 1.0 % sesame oil were the best coating materials to maintain quality concentrations of the APSA 80 and Sesame oil as coating material for mangosteen fruits. Sesame oil is known to be the most resistant to rancidity because it contains natural antioxidants and high oleic acid. APSA 80 is as a spreader and gluing the mixed material and as an emulsifier. The experimental design used in this study was a Completely Randomized Design with three factors, namely the concentration of APSA 80 (0%, 0.03%, and 0.06%), the concentration of sesame oil (0%, 0.5%, 1%) and storage temperatures (28 ± 2oC and 10 ± 1oC). The result and extend the self-life ofmangosteen fruits. The both formulations of the coatings maintain the self life for 25 days at where the colorsof the arils were snowy white, the color of skin surfaces were redish purple, and the pericarps were not yet hardenings.
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