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Vol. 31 No. 5 (2019): Vol 31 Issue 5

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Extraction Process of Essential Oil from Plectranthus amboinicus Using Microwave-Assisted Hydrodistillation and Evaluation of It’s Antibacterial Activity

https://doi.org/10.14233/ajchem.2019.21667
Tan Phat Dao
NTT Institute of High Technology, Nguyen Tat Thanh University, 298 Nguyen Tat Thanh, District 4, Ho Chi Minh City, Vietnam
Duy Chinh Nguyen
NTT Institute of High Technology, Nguyen Tat Thanh University, 298 Nguyen Tat Thanh, District 4, Ho Chi Minh City, Vietnam
Duy Trinh Nguyen
NTT Institute of High Technology, Nguyen Tat Thanh University, 298 Nguyen Tat Thanh, District 4, Ho Chi Minh City, Vietnam
Thien Hien Tran
NTT Institute of High Technology, Nguyen Tat Thanh University, 298 Nguyen Tat Thanh, District 4, Ho Chi Minh City, Vietnam
Phu Thuong Nhan Nguyen
NTT Institute of High Technology, Nguyen Tat Thanh University, 298 Nguyen Tat Thanh, District 4, Ho Chi Minh City, Vietnam
Nhan Thi Hong Le
Department of Chemical Engineering, HCMC University of Technology, VNU-HCM, 268 Ly Thuong Kiet Street, District 10, Ho Chi Minh City, Vietnam
Xuan Tien Le
Department of Chemical Engineering, HCMC University of Technology, VNU-HCM, 268 Ly Thuong Kiet Street, District 10, Ho Chi Minh City, Vietnam
Dai Hai Nguyen
Graduate University of Science and Technology, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet, Cau Giay, Ha Noi 100000, Vietnam; Institute of Applied Materials Science, Vietnam Academy of Science and Technology, 01 TL29, District 12, Ho Chi Minh City, 700000, Vietnam
Dai Viet N. Vo
Faculty of Chemical and Natural Resources Engineering, Universiti Malaysia Pahang, Lebuhraya Tun Razak, Gambang, 26300, Pahang, Malaysia
Long Giang Bach
NTT Institute of High Technology, Nguyen Tat Thanh University, 298 Nguyen Tat Thanh, District 4, Ho Chi Minh City, Vietnam; Institute of Applied Materials Science, Vietnam Academy of Science and Technology, 01 TL29, District 12, Ho Chi Minh City, 700000, Vietnam

Corresponding Author(s) : Long Giang Bach

blgiangntt@gmail.com

Asian Journal of Chemistry, Vol. 31 No. 5 (2019): Vol 31 Issue 5

Abstract

Plectranthus amboinicus oil has many applications in pharmaceutical, medicine and cosmetic industries. Recently, new methods of extracting essential oil used have been increasingly developed to replace traditional methods. In this study, maximization of essential oils yield from P. amboinicus was studied by the combination of microwave assisted hydro-distillation (MAHD) and response surface methodology (RSM). We found that that the maximum essential oil yield was 0.1374 % with 94.38 % reliability and influencing factors such as microwave power for this process was 515 W, raw material to water ratio 1.64:1, extraction time at 100.8 min. ANOVA analysis for quadratic model also gives favourable outcome including the high determination coefficient (R2 = 0.94), significant F-value and p-value of coefficients. Under laboratory condition, the obtained yield (0.1374 %) approximated the yield predicted by the quadratic model, suggesting the reasonable soundness of the employed model and RSM when it comes to optimizing the parameters of extraction. In addition, considerable antibacterial activities of extracted essential oil against four bacteria cultures, in particular, S. aureus was recognized.

Keywords

P. amboinicus oil Extraction Microwave-assisted hydrodistillation Response surface methodology Antibacterial activity
Dao, T. P., Nguyen, D. C., Nguyen, D. T., Tran, T. H., Nhan Nguyen, P. T., Hong Le, N. T., … Bach, L. G. (2019). Extraction Process of Essential Oil from Plectranthus amboinicus Using Microwave-Assisted Hydrodistillation and Evaluation of It’s Antibacterial Activity. Asian Journal of Chemistry, 31(5), 977–981. https://doi.org/10.14233/ajchem.2019.21667
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