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20/10/2017 12:29 - Xem: 559

Effects of methyl jasmonate on post-harvest quality of rambutan stored in active bag

Trinh, C.T. 1, Sripong, K.2, Pungnim, S. 2, Uthairatanakij, A.2 and Jitareerat, P.2


1. Department of Post-Harvest, Faculty of Biotechnology and Food Technology, Thai Nguyen University of Agriculture and Forestry, Vietnam

 2. Division of Postharvest Technology, King Mongkut’s University of Technology Thonburi, Bangkok, 10150 , Thailand


The effect of 10 and 20 µmol/L methyl Jasmonate (MeJA) treatments on fruit quality and plant defense of rambutan cv. Rongrieng was investigated during stored at 130C in active bags. No significant changes in colour, weight loss, TSS, and disease incidence were recorded. Although, the activities of phenylalanine ammonia-lyase (PAL) and peroxidase (POD) also showed non-significant with the control, but slightly increase of PAL and POD induced by MeJA might be a factor in significantly alleviating disease severity. Moreover, MeJA treatments also caused a significant delay in browning of rambutan peel in the first week of storage. A 10 µmol/L MeJA treatment showed the highest score of overall acceptance in comparison with other treatments. This implies that MeJA may alleviate the browning and disease severity.


Rambutan is a popular tropical fruit with high potential in exports but its limitation is post-harvest diseases and spintern browning caused by weight loss resulting to short shelf. Safe and environmental friendly treatments are required to control diseases. Plant growth hormone as methyl jasmonate (MeJA) has shown a promising approach to control post-harvest disease in horticultural produce (Glowacz et al., 2017; Fan et al., 2016). Therefore, MeJA may have the potential to control postharvest disease of rambutan. Moreover, packages have been successful to use for protecting the water loss of produce. Among of various packaging, active bag is a new specific modified atmosphere package that can help to extend shelf-life, reduce weight loss, and maintain fruit quality (Owino et al., 2016). Therefore, an appropriate post-harvest technique that is environmentally friendly, cost effective and easy to apply is selected to control disease and maintain rambutan quality. The objective of this work was to investigate the effects of MeJA on fruit decay, the induction of defense enzymes, and quality of rambutan during stored in active bag.

Effects of methyl jasmonate on post-harvest quality of rambutan stored in active bag


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