Extraction of essential oil from lemongrass using supercritical carbon dioxide
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Extraction of essential oil from lemongrass using supercritical carbon dioxide
EXTRACTION OF ESSENTIAL OIL FROM LEMONGRASS USING SUPERCRITICAL CARBON DIOXIDEIn Partial Fulfillment of the Requirements for the Degree of Doctor of P Extraction of essential oil from lemongrass using supercritical carbon dioxide Philosophy in Chemical EngineeringSubmitted byHUYNH KY PHUONG HAChemical Engineering Department De La Salle University - Manila39508ABSTRACTThe Supercritical Fluid Extraction (SCFE) process is a powerful technique to develop for separating products with high added value. Ill this study. Supercritica Extraction of essential oil from lemongrass using supercritical carbon dioxide l fluid Carbon Dioxide (SC CO;) was used in the extraction of essential oil from two different parts of the lemongrass plant, the leaves and the stemsExtraction of essential oil from lemongrass using supercritical carbon dioxide
.The batch extraction process was earned out in a stand alone compact unit of SCFE system. The lemongrass was loaded into the 5001111 extractor with aEXTRACTION OF ESSENTIAL OIL FROM LEMONGRASS USING SUPERCRITICAL CARBON DIOXIDEIn Partial Fulfillment of the Requirements for the Degree of Doctor of P Extraction of essential oil from lemongrass using supercritical carbon dioxide to 110 atmospheres and the length of material was varied from 4 nun to 8 nun. The extraction time was set at 3.0 hours.This study intends to compare the composition of essential oil extracted from lemongrass leaves and lemonglass stems using SC CO; and Steam Distillation. The extracts from both meth Extraction of essential oil from lemongrass using supercritical carbon dioxide ods were analyzed by GC-MS and the variations of the compositions were reported.Furthermore, the study attempts to formulate statistical experimentalExtraction of essential oil from lemongrass using supercritical carbon dioxide
design using Design-Expert Software (version 7.0.1). The effects of temperature, pressure and length of material were analyzed employing the Response EXTRACTION OF ESSENTIAL OIL FROM LEMONGRASS USING SUPERCRITICAL CARBON DIOXIDEIn Partial Fulfillment of the Requirements for the Degree of Doctor of P Extraction of essential oil from lemongrass using supercritical carbon dioxide of the essential oil at the established responses. The optimiun yields of essential oil from leaf and stem at the given extraction conditions were also determined.iiACKNOWLEDGMENTS1'irslly, 1 would like to express HIV grateful appreciation to the following institutions and laboratories that made thi Extraction of essential oil from lemongrass using supercritical carbon dioxide s research work possible:Asian University Network / Southeast Asia Engineering Education and Development Network (AUN'SEF.D-Nerwork) and Japanese InteExtraction of essential oil from lemongrass using supercritical carbon dioxide
rnational Cooperation Agency (JTCA).De La Salle University, Host Institution of Chemical Engineering in AUN SEED-Net program.Ho Chi Minh City UniversiEXTRACTION OF ESSENTIAL OIL FROM LEMONGRASS USING SUPERCRITICAL CARBON DIOXIDEIn Partial Fulfillment of the Requirements for the Degree of Doctor of P Extraction of essential oil from lemongrass using supercritical carbon dioxide ratory of Mindanao State University - Iligan Institute of Technology (MSU-I1T).Laboratory of Tokyo Institute of Technology (TIT), and Kawasaki Laboratory-!IT. Tokyo. Japan.1 would like to sincerely thank my research advisor. Prof. Dr. Julius B. Maridablc. Ph.D. Vice-Chancellor for Academics. DT.su, Extraction of essential oil from lemongrass using supercritical carbon dioxide who kindly guided me on how to conduct my research in the best way. who always took care of me not only as a student but also as a son. who taught meExtraction of essential oil from lemongrass using supercritical carbon dioxide
not only knowledge in research but also behavior in a new environment. Thank you for your advice, guidance, direction and endless enthusiasm tor rhe sEXTRACTION OF ESSENTIAL OIL FROM LEMONGRASS USING SUPERCRITICAL CARBON DIOXIDEIn Partial Fulfillment of the Requirements for the Degree of Doctor of P Extraction of essential oil from lemongrass using supercritical carbon dioxide ould like to gratefully thank my advisor. Prof. Pag-asa D. Gaspillo. Ph.D. Dean of the College of Engineering. who essentially inspired me to do my best in performing my experiment as well as in writing my thesis and papers.iiiThank you for your appreciated support, valuable encouragement and consid Extraction of essential oil from lemongrass using supercritical carbon dioxide erable recommendations for my thesis. I deepest thank you not only for the peifect knowledge, but also for the nice working atmosphere, and rhe largeExtraction of essential oil from lemongrass using supercritical carbon dioxide
experience gathered there, which all sen es as a stable basis for further scientific research. Thank you for your kindly in reviewing my papers, preseEXTRACTION OF ESSENTIAL OIL FROM LEMONGRASS USING SUPERCRITICAL CARBON DIOXIDEIn Partial Fulfillment of the Requirements for the Degree of Doctor of P Extraction of essential oil from lemongrass using supercritical carbon dioxide asaki. Ph. D. my Japanese thesis adviser, who has taken caie of me as an adviser. Sensei, not only during rhe rime I stayed and researched in Japan but also in the Philippines. Thank you for kindly sharing your knowledge as well as experience in research. Thank you for cherishing and supervising my Extraction of essential oil from lemongrass using supercritical carbon dioxide research, as well as my life tlirougliout my stay ar TIT. Thank you for being happy to communicate your knowledge and experience to students, who alwaExtraction of essential oil from lemongrass using supercritical carbon dioxide
ys have the deepest respect for you. I wish that you will always have good health.Dr. Roberto M. Malaluan, my thesis co-adviser from Mindanao State UnEXTRACTION OF ESSENTIAL OIL FROM LEMONGRASS USING SUPERCRITICAL CARBON DIOXIDEIn Partial Fulfillment of the Requirements for the Degree of Doctor of P Extraction of essential oil from lemongrass using supercritical carbon dioxide Thank you for giving me fiee reign in the supercritical laboratory. Thank you for unselfishly sharing with me your veritable knowledge in rhe superci irical area, which proved ro be very essential for my research, and for always appreciating rhe works accomplishedFrom my heart. I deeply thank the me Extraction of essential oil from lemongrass using supercritical carbon dioxide mbers of my Thesis Examination Panel for then valuable tune, comments and suggestions to improve my research: Prof. Dr. Leonila c. Abella. Chair of thExtraction of essential oil from lemongrass using supercritical carbon dioxide
e panel. Prof. Dr. Raymond G. Tan. Prof. Dr. Bonifacio Dorna. Prof. Dr. Jonathan Salvacion. Dr. Carmela Centeno andivProf. Dr. Servillano Olano Jr., fEXTRACTION OF ESSENTIAL OIL FROM LEMONGRASS USING SUPERCRITICAL CARBON DIOXIDEIn Partial Fulfillment of the Requirements for the Degree of Doctor of P Extraction of essential oil from lemongrass using supercritical carbon dioxide ruz, coordinator of AUN/SEED-Net scholars, for being very supportive and encouraging diuing my two years in the Philippines. Thank you for helping me every7 time, especially when I had concerns. Thank you for your warmth and kindness in helping me not only as a scholar but also as a brother. Best Wi Extraction of essential oil from lemongrass using supercritical carbon dioxide shes to You and Your Family!Ms. Marie Ann Mercado, for your help during my studies at DLSUProf. Hitoshi Kosuge and Dr. Hiroaki Habaki. TIT for your heExtraction of essential oil from lemongrass using supercritical carbon dioxide
lp during the time I stayed 111 Tokyo and for your advising 111 my research as well as in writing my paper.EXTRACTION OF ESSENTIAL OIL FROM LEMONGRASS USING SUPERCRITICAL CARBON DIOXIDEIn Partial Fulfillment of the Requirements for the Degree of Doctor of PEXTRACTION OF ESSENTIAL OIL FROM LEMONGRASS USING SUPERCRITICAL CARBON DIOXIDEIn Partial Fulfillment of the Requirements for the Degree of Doctor of PGọi ngay
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