Contribution of Basic and Characteristic Compounds to Strawberry and Cultivar Aroma in the Japanese Strawberry

Ikeura, Hiromi; Tsukamoto, Nobuyuki; Fukuhara, Kimiaki; Li, X. X.; Yamashita, S.; Yui, Susumu; Inaba, Yukio; Okimura, Makoto; Tamaki, Masahiko; Hayata, Yasuyoshi

doi:10.17660/actahortic.2009.842.189

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“…According to Gomes da Silva and Chaves das Neves, prominent lactones were γ ‐decalactone and γ ‐dodecalactone, giving fruity notes. cis ‐2‐Nonenal has been described as a frequent odorant present in different strawberry varieties . On the other hand, the presence of vanillin among the aroma compounds in strawberry has been scarcely observed by other authors and until now it had been described as an odour‐active compound in one variety only …”

Section: Resultsmentioning

confidence: 99%

Characterization of odour active compounds in strawberry vinegars

Úbeda

Callejón

Troncoso

et al. 2012

Flavour & Fragrance J

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Odour‐active compounds in strawberry vinegars were determined by gas chromatography equipped with an olfactometer using the modified frequency (MF) technique. The initial strawberry substrate was also analysed showing that ethyl 2‐methylbutyrate, mesifurane, β‐damascenone, furaneol and γ‐decalactone were preserved during the double fermentation process, presenting high MF values. The final aromatic profile of strawberry vinegars is formed both by compounds from the substrate and by those formed during alcoholic and acetous fermentation. Due to their high MF, a total of 12 odour zones, identified as acetic, butyric and isovaleric acids, methional, 3‐nonen‐2‐one, 2‐phenylethanol, pantolactone + furaneol, p‐vinylguaiacol, sotolon, phenylacetic acid and vanillin, were considered as possible impact odorants of strawberry vinegars. Finally, all potential impact odorants with similar sensory descriptors were grouped into eight categories, these being: fruity, sweet, grassy, spicy, butter–lactic–cheesy, chemical, empyreumatic and miscellaneous. According to the MF percentage of these categories, grassy, fruity, sweet and spicy aroma seem to have the highest influence on the overall impression of strawberry vinegars. Copyright © 2012 John Wiley & Sons, Ltd.

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Section: Resultsmentioning

confidence: 99%