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020 _aTHE0004011(Local)
039 9 _a201905151225
_bfauzi
_c201203131538
_dida
_c201203131537
_dida
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_zida
040 _aUMP
090 _aTP156.E8 H36 2010 rs Bc.
100 0 _aHanis Farzana Mohd Sadek
245 1 0 _aComparison of microwave-assissted hydrodistillation with the conventional hydrodistillation method in the extraction of essential oils /
_cHanis Farzana Mohd Sadek
260 _aKuantan, Pahang :
_bUMP,
_c2010
300 _axiv, 65 p. :
_bill. (some col.) ;
_c30 cm. +
_e1 CD-ROM
502 _aProject paper (Bachelor of Chemical Engineering) -- Universiti Malaysia Pahang - 2010
504 _aBibliography : p. [53]-56
520 3 _aThe production of essential oils from natural sources is highly profitable nowadays. People worldwide start to realize the important of healthy awareness. Highly demand of ginger (Zingiber officinale Roscoe) oil and citronella grass (Cymbopogon nardus) oil due to its uses. Here, a modern and an alternative method, microwave-assisted hydrodistillation (MAHD is approach. The purpose of this study is to investigate the performance of MAHD on the extraction of essential oils. The essential oils from ginger and citronella grass were studied and results were compared with the conventional HD in terms of extraction yield, extraction time, cost of operation and chemical composition. MAHD was provided higher quantitative in short of time. MAHD resulted in similar citronella oil recovery for 60 min to that obtained by 90 min of HD (1.17%, v/w). Same as ginger essential oil, MAHD required extraction time period of 30 min for recovering 0.88% yield of essential oil of ginger, instead of HD required 90 min of extraction time for recovering same percentage yield. Gas chromatography-mass spectrometry analysis of the extracted essential oils indicated that the use of microwave irradiation recover high total peak area (%). MAHD was found to be a green technology.
650 0 _aExtraction (Chemistry)
650 0 _aEssences and essential oils
999 _aVIRTUA
_c3144
_d3150
999 _aVTLSSORT0080*0200*0400*0900*1000*2450*2600*3000*5020*5040*5200*6500*6501*9992