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Foods 2013, 2(3), 401-414; doi:10.3390/foods2030401
Article

Non-Destructive Assessment of Aroma Volatiles from a Climacteric Near-Isogenic Line of Melon Obtained by Headspace Stir-Bar Sorptive Extraction

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Received: 26 April 2013; in revised form: 2 August 2013 / Accepted: 17 August 2013 / Published: 28 August 2013
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Abstract: A climacteric aromatic near-isogenic line (NIL) of melon (Cucumis melo L.) SC3-5-1 contained an introgression of the non-climacteric Korean cultivar “Shongwan Charmi” accession PI 161375 (SC) in the genetic background of the non-climacteric cultivar “Piel de Sapo” (PS). The aroma production was monitored during ripening at 21 °C in intact fruit using headspace sorptive bar extraction (HSSE). Bars were composed of polydimethylsiloxane (PDMS) and aromas were desorbed and analyzed by gas-chromatography mass-spectrometry. The aromatic profile was composed of 70 aromatic compounds plus 21 alkanes with a predominance of esters, particularly acetate (2-methylbutyl acetate, 2-methylpropyl acetate, hexyl acetate, and phenylmethyl acetate). Some compounds were severely affected by postharvest time. The acetate esters (3-methylbutyl acetate, butan-2-yl acetate and phenylmethyl acetate) decreased with ripening and sulfur-derived compounds (S-methyl butanethioate and S-methyl 3-methylbutanethioate) increased gradually with ripening. A few compounds increased at the senescence phase (propyl ethanoate). Other compounds such as hexadecanoic acid showed a marked decrease after harvest, some decreasing from a relative maximum at harvest (2-methylpropyl hexanoate; n-hexanoic acid; nonanoic acid).
Keywords: climacteric ripening; Cucumis melo L.; ethylene; introgression lines; fruit quality; HSSE; postharvest climacteric ripening; Cucumis melo L.; ethylene; introgression lines; fruit quality; HSSE; postharvest
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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MDPI and ACS Style

Fernández-Trujillo, J.P.; Dos-Santos, N.; Martínez-Alcaraz, R.; Le Bleis, I. Non-Destructive Assessment of Aroma Volatiles from a Climacteric Near-Isogenic Line of Melon Obtained by Headspace Stir-Bar Sorptive Extraction. Foods 2013, 2, 401-414.

AMA Style

Fernández-Trujillo JP, Dos-Santos N, Martínez-Alcaraz R, Le Bleis I. Non-Destructive Assessment of Aroma Volatiles from a Climacteric Near-Isogenic Line of Melon Obtained by Headspace Stir-Bar Sorptive Extraction. Foods. 2013; 2(3):401-414.

Chicago/Turabian Style

Fernández-Trujillo, Juan P.; Dos-Santos, Noelia; Martínez-Alcaraz, Rocío; Le Bleis, Inés. 2013. "Non-Destructive Assessment of Aroma Volatiles from a Climacteric Near-Isogenic Line of Melon Obtained by Headspace Stir-Bar Sorptive Extraction." Foods 2, no. 3: 401-414.

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