Table · dataset · 2026
Branched-chain esters dominate the aroma profile of ripe ‘Thong Ploy’ jackfruit: effects of 1-MCP treatments on fruit quality and volatile production during storage
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<p>The ripe pulp of the hybrid jackfruit (Artocarpus heterophyllus Lam) cultivar ‘Thong Ploy’ is dominated by branched-chain esters (92.73% of total esters).
Description
Six key volatile organic compounds (VOCs), with high odour activity values (OAVs > 50), five esters and one alcohol, contribute to its sweet aroma, resembling apple and banana, with subtle fermented notes. Methyl 3-methylbutanoate was present throughout maturation, whereas other esters appeared only at the ripe stages.
At 25°C, fruit treated with 500 nL L<sup>−1</sup> 1-methylcyclopropene (1-MCP) ripened on day 12, whereas untreated fruit reached full ripeness by day 8. Under 13°C storage, untreated fruit ripened by day 15, whereas 500 or 1,000 nL L<sup>−1</sup> 1-MCP-fumigated fruit began ripening on day 20. The use of 1-MCP significantly suppressed volatile production.
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On day 8 at 25°C, treated fruit produced only 4.66% of VOCs found in controls. Respiration and ethylene were reduced, with untreated fruit peaking at 203.82 mg CO<sub>2</sub> kg<sup>−1</sup> h<sup>−1</sup> and 2.55 µL C<sub>2</sub>H<sub>4</sub> kg<sup>−1</sup> h<sup>−1</sup>. A 500-nL L<sup>−1</sup> dose effectively reduced respiration and ethylene production, thereby delaying ripening.
It preserved pulp firmness, colour, soluble solids accumulation, and inhibited ester formation. Combined with cold storage, 1-MCP fumigation offers an effective strategy for extending shelf life and maintaining quality in ‘Thong Ploy’ jackfruit.</p>
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- DOI doi.org/10.6084/m9.figshare.33920793.v1 ↗
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- OAI-PMH record api.figshare.com/v2/oai?verb=GetRecord&metadataPrefix=oai_dc&identifier=oai%3Af… ↗
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