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1-methylcyclopropene (1-MCP) reduces water loss and extendsshelf life of fruits of Rose apple (Syzygium jambos Alston) cv. TabtimChan

Published online by Cambridge University Press:  16 June 2010

Maratree Plainsirichai ,
Usana Trinok  and
David W. Turner
Maratree Plainsirichai
Affiliation:
 Div. Plant Prod. Technol., Dep. Agric. Technol., Fac. Technol., Mahasarakham Univ., Mahasarakham,44000, Thailand
Usana Trinok
Affiliation:
 Div. Plant Prod. Technol., Dep. Agric. Technol., Fac. Technol., Mahasarakham Univ., Mahasarakham,44000, Thailand
David W. Turner*
Affiliation:
 School Plant Biol. (M084), Fac. Nat. Agric. Sci., Univ. West. Aust., 35 Stirling Highway, Crawley, WA 6009, Australia
*
* Correspondence and reprints
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Abstract

Introduction. Rose apple fruit ripens on the tree, has a thin peel, softflesh and deteriorates quickly after harvest. Water loss contributes to rapiddeterioration. 1-MCP can extend the postharvest life of non-climacteric fruits eitherdirectly through its effect as an ethylene blocker or through indirect effects.Materials and methods. We investigated the effect of 1-MCP(1 µL·L–1) on shelf life and quality of Rose apple fruits (Syzygiumjambos Alston) cv. Tabtim Chan. Fruit were exposed to 1-MCP for (0, 6, 12, 18or 24) h, then stored at (15 ± 1) °C for 12 days. Subsequently, we investigated the effectof 1-MCP (1 µL·L–1) for 12 h on fruit stored at 5 °C or 10 °C. Weight loss,skin colour, total soluble solids, fruit firmness and percentage of diseased fruit weremeasured during storage. Results. 1-MCP reduced weight loss from about 13% of initialweight to 6%, irrespective of the time of exposure. 1-MCP applied to fruit for 12 h or18 h increased firmness from 3.2 N to 3.8 N and more than halved the percentage of fruitshowing disease. Exposure to 1-MCP for 12 h or 18 h was optimum for reducing disease.1-MCP for 12 h and storage at (10 ± 1) °C doubled shelf life to 24 days compared withfruit stored at the same temperature, but without 1-MCP. Storage at less than 10 °C didnot extend shelf life any further. Conclusion. 1-MCP extended the shelf lifeof Rose apple fruit by reducing weight loss, maintaining flesh firmness and slowingdisease development.

Keywords

ThaïlandeSyzygium jambosfruitsstockageaptitude à la conservationphysiologie après récoltecontrôle de maladiesThailandSyzygium jambosfruitsstoragekeeping qualitypostharvest physiologydisease controlTailandiaSyzygium jambosfrutasalmacenamientoaptitud para la conservaciónfisiología postcosechacontrol de enfermedades
Type
Original article
Information
Fruits , Volume 65 , Issue 3 , May 2010 , pp. 133 - 140
Copyright
© 2010 Cirad/EDP Sciences, 2010

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