Objective: The objective of this study is to determine the chemical composition of Mentha piperata essential oil from the Congo region. Methodology and Results: essential oil obtained by steam distillation of piperata Mentha L dry leaf stalks. The research was carried out in the northern part of Brazzaville (Poto-poto), Congo. After extraction, the yield achieved is 0.52 percent . The gas chromatography (GC) and gazeusechromatographic mass spectrometry (GC/MS) coupling study indicated the existence of 15 constituents comprising 96.18% of the total essential oil. In this essential oil, oxygenated monoterpenes are predominant (87.54 percent), oxygenated sesquiterpenes are representative (3.91 percent) and hydrocarbon sesquiterpenes are expressed by hydrocarbon sesquiterpenes (3.20 percent ). The key constituents of the essential oil are menthol (41.81 percent), menthyl acetate (36.92 percent), menthone (5.12 percent) and acetate neomenthyl (3.04 percent). Conclusion and Application Results: This essential oil can be beneficial for food needs, pharmaceuticals, cosmetics and perfumery, taking into account the proportion of menthol (41.81 percent) and the presence of menthone (5.12 percent).

Author(s) Details

B. Ndzeli Likibi
Unité de Chimie du Végétal et de la Vie (UC2V), Faculté des Sciences et Techniques, Université Marien Ngouabi, BP 69, Brazzaville, Congof.

Gouollaly Tsiba
Unité de Chimie du Végétal et de la Vie (UC2V), Faculté des Sciences et Techniques, Université Marien Ngouabi, BP 69, Brazzaville, Congo.

A. B. Madiélé Mabika
Unité de Chimie du Végétal et de la Vie (UC2V), Faculté des Sciences et Techniques, Université Marien Ngouabi, BP 69, Brazzaville, Congo.

J. M. Moutsamboté
Unité de Chimie du Végétal et de la Vie (UC2V), Faculté des Sciences et Techniques, Université Marien Ngouabi, BP 69, Brazzaville, Congo.

S. Nsikabaka
Unité de Chimie du Végétal et de la Vie (UC2V), Faculté des Sciences et Techniques, Université Marien Ngouabi, BP 69, Brazzaville, Congo.

J. M. Ouamba
Unité de Chimie du Végétal et de la Vie (UC2V), Faculté des Sciences et Techniques, Université Marien Ngouabi, BP 69, Brazzaville, Congo.

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