Optimization of essential oil yield from Vietnamese green pepper (Piper nigrum) using hydro-distillation method

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Abstract

In this study, the essential oil of green pepper collected from Vung Tau City, Vietnam was recovered by hydro-distillation technique, giving the yield of approximately 0.75% yield on optimal conditions. Single factor investigation showed that optimal conditions of the extraction process consisted of water and material ratio of 5:1 mL/g, extraction time of 180 min, flow rate of 2.5 mL/min, size of material of puree, time for soaking of 3 hours. Nineteen components were identified in the obtained Piper nigrum essential oils using GC-MS. The main components of essential oils were Caryophyllene, 3-Carene, β-Pinene, α-Pinene, Sabinene, and Elemene.

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Dao, T. P., Tran, T. H., Nhan, N. P. T., Quyen, N. T. C., Tien, L. X., Anh, T. T., … Linh, H. T. K. (2020). Optimization of essential oil yield from Vietnamese green pepper (Piper nigrum) using hydro-distillation method. In IOP Conference Series: Materials Science and Engineering (Vol. 736). Institute of Physics Publishing. https://doi.org/10.1088/1757-899X/736/2/022039

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