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Updated: Jun 25, 2026

Fruit Volatile Analysis Using an Electronic Nose
Published on: March 30, 2012
Free volatile components of passion fruit puree obtained by flash vacuum-expansion
P Brat1, J M Brillouet, M Reynes
1Centre de Coopération Internationale en Recherche Agronomique pour le Développement, Département FLHOR, B.P. 5035, 34032 Montpellier Cedex 1, France.
Abstract:
Purple passion fruits were processed by the flash vacuum-expansion process. Volatile components were analyzed in purees from steam-heated fruits, steam-heated then vacuum-expanded fruits and their aromatic liquors, and fruit rind, in comparison with a reference single-strength juice. After steam heating, the puree was enriched in esters arising from the rind. Steam-heated then vacuum-expanded fruits yielded a puree impoverished in volatiles due to evaporation of approximately 10% of water. These volatile compounds were mostly recovered in aromatic liquors.
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