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Effect of chitosan concentration and dipping time in acid-chitosan coating solution on quality of “Tieu da bo” longan fruitsduring cold storage

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In order to find out the concentration and dipping time of acid-chitosan coating solution for treating “Tieu Da Bo” longan fruits to reduce browning and maintain good quality during storage, an investigationwas carried out in a completely randomized factorial design with two factors by dipping longan fruits in 0; 0.2; 0.3; 0.4% chitosan coating solution containing 0.3 N citric acid (pH 3.3) for 1, 3 and 5 minutes. | Effect of chitosan concentration and dipping time in acid-chitosan coating solution on quality of “Tieu da bo” longan fruitsduring cold storage