Yin Molika, Weil Mathieu, Avallone Sylvie, Lebrun Marc, Conejero Geneviève, In Sokneang, Bohuon Philippe. 2022. Impact of cooking and drying operations on color, curcuminoids, and aroma of Curcuma longa L.. Journal of Food Processing and Preservation, 46 (5):e16643, 11 p.
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Résumé : Effects of cooking and drying on color, curcuminoids, essential oil, and aroma compounds of Curcuma longa L. were assessed. Sliced fresh turmeric rhizomes were air-dried at 60°C directly or after cooking at 95°C for 3 or 90 min. Microscopic observations showed that curcuminoids and essential oil are located in different dedicated cells. Curcuminoids and essential oil of dried turmeric were both around 10% db. After processing, curcuminoids were dispersed throughout the matrix. Drastic cooking and drying operations decreased chromatic values more than smooth cooking. Cooking had no impact on curcuminoid and essential oil contents and slightly modified the aromatic profile of essential oils. Drying decreased the curcuminoid (<38%) and essential oil (<13%) contents. Turmeric starchy matrix preserves the curcuminoids and essential oil during the process. We recommend a preliminary smooth cooking step to reduce the drying time, save energy consumption and preserve turmeric quality.
Mots-clés Agrovoc : composition des aliments, propriété organoleptique, huile essentielle, Curcuma longa, cuisson, séchage, flaveur, composé aromatique
Mots-clés libres : Curcumine, Huile essentielle, Procédés, Curcuma, Qualité
Classification Agris : Q04 - Composition des produits alimentaires
Q02 - Traitement et conservation des produits alimentaires
Champ stratégique Cirad : CTS 3 (2019-) - Systèmes alimentaires
Auteurs et affiliations
- Yin Molika, Université de Montpellier (FRA)
- Weil Mathieu, CIRAD-PERSYST-UMR Qualisud (FRA) - auteur correspondant
- Avallone Sylvie, Montpellier SupAgro (FRA)
- Lebrun Marc, CIRAD-PERSYST-UMR Qualisud (FRA)
- Conejero Geneviève, INRAE (FRA)
- In Sokneang, Institut de technologie du Cambodge (KHM)
- Bohuon Philippe, Montpellier SupAgro (FRA)
Source : Cirad-Agritrop (https://agritrop.cirad.fr/601076/)
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