Author(s):
Andeouene Baou, Jean Bruno Bassiloua, Thomas Silou, Elie Douguirgue, Kouvourbe Kedeu, Taba Kalulu
Email(s):
thsilou@yahoo.fr
DOI:
10.52711/0974-4150.2022.00041
Address:
Andeouene Baou1,2,3, Jean Bruno Bassiloua2,3 Thomas Silou2,3*, Elie Douguirgue1, Kouvourbe Kedeu1, Taba Kalulu4
1Institute National des Sciences Agronomiques et des Technologies, Agroalimentaires de Lai(INSATAL) Tchad.
2Faculté des Sciences et Technique (UMNG) BP 69 Brazzaville Congo.
3Ecole Supérieure de Technologie des Cataractes (EPrES) BP 389 Brazzaville Congo.
*Corresponding Author
Published In:
Volume - 15,
Issue - 3,
Year - 2022
ABSTRACT:
The Cymbopogon flexuosus species introduced in Congo-Brazzaville (equatorial climate) to solve the low production problem of Cymbopogon citratus, a source of citral, was acclimatized in Chad (subtropical climate) for the same reasons. The plant was perfectly adapted with a very high production of biomass. Its low essential oil extraction yield (0.89% DM) compared to the Cymbopogon citratus local species (1.26%) is very largely balanced by its very high biomass productivity. The extraction of essential oil fits Milojevic's pseudo first order model with rate constant k = 0.0087 min-1 (R2 = 0.9816) for Cymbopogon flexuosus vs k = 0.0109 min-1 (R² = 0.922), for local C. citratus. It also fits Peleg's model with a kinetic constant k1 = 217.94 min %-1 and an extraction capacity constant K2 = 0.6022%-1, which leads to a pseudo first order kinetic constant of hydrodistillation k = k1/K2 = 0.0028 min-1. For local C. citratus, these values are respectively k1 = 108.94 min %-1; K2 = 0.4971%-1 and k = 0.0046 min-1 with R² = 0.9885. Michael Menton's model, which is also fitted, leads to the kinetic constant Km/Ymax = 237 min %-1 and the yield Ymax = 1.9% with R² = 0.9862, for C. flexuosus and Km/Ymax = 113.12 min %-1, Ymax = 2.1% (R² = 0.9952) for C. citratus. These results corroborate those obtained on the same species acclimatized in Congo-Brazzaville.
Cite this article:
Andeouene Baou, Jean Bruno Bassiloua, Thomas Silou, Elie Douguirgue, Kouvourbe Kedeu, Taba Kalulu. Kinetic modeling of Essential oil extraction from lemongrass acclimatized in Tandjilé in Chad. Asian Journal of Research in Chemistry. 2022; 15(3):228-4. doi: 10.52711/0974-4150.2022.00041
Cite(Electronic):
Andeouene Baou, Jean Bruno Bassiloua, Thomas Silou, Elie Douguirgue, Kouvourbe Kedeu, Taba Kalulu. Kinetic modeling of Essential oil extraction from lemongrass acclimatized in Tandjilé in Chad. Asian Journal of Research in Chemistry. 2022; 15(3):228-4. doi: 10.52711/0974-4150.2022.00041 Available on: https://ajrconline.org/AbstractView.aspx?PID=2022-15-3-10
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