Effect of Chitosan on the Quality of Rose Apples (Syzygium Agueum Alston) cv. Tabtim Chan Stored at an Ambient Temperature

APCBEE Procedia Pub Date : 2014-01-01 DOI:10.1016/j.apcbee.2014.03.047

Maratree Plainsirichai, Saranya Leelaphatthanapanich, Nattapong Wongsachai

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引用次数: 20

Abstract

Rose apples (Syzygium agueum Alston) cv. Tabtim Chan are economically important fruit for Thailand. However, because the peel of the rose apple is thin, the fruit deteriorates quickly and water retention is low. This study investigated the effect of chitosan treatment on the quality of rose apples cv. Tabtim Chan stored at an ambient temperature of 30 °C. The results demonstrated that at day 5 of storage, the fruit coated with 2% chitosan had a weight loss of 12.82% and a disease incidence of 14% which were significantly less than those of the control (22.12%, 24% respectively). Fruit firmness of the rose apples treated with 2% chitosan was significantly higher than that of the control (5.92 kg/cm² and 4.12 kg/cm² respectively). In conclusion, treating the rose apples with 2% chitosan reduces weight loss, disease incidence and maintains the fruit firmness of rose apples cv. Tabtim Chan compared with those which were untreated.

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壳聚糖对桃红苹果品质的影响Tabtim Chan在常温下储存

玫瑰苹果(Syzygium agueum Alston)Tabtim Chan是泰国重要的经济水果。然而，由于玫瑰苹果的果皮薄，果实变质快，保水率低。研究了壳聚糖处理对玫瑰苹果果实品质的影响。Tabtim Chan在30°C的环境温度下储存。结果表明，贮藏第5 d时，2%壳聚糖包膜处理的果实失重12.82%，病发率14%，显著低于对照(22.12%、24%)。2%壳聚糖处理的果实硬度显著高于对照(分别为5.92 kg/cm2和4.12 kg/cm2)。综上所述，2%壳聚糖处理可减轻玫瑰苹果的体重，降低病害发病率，保持果实硬度。与未治疗组进行比较。

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APCBEE Procedia

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