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Enzymatic-enhanced production of gaharu oil : effects of enzyme loading and duration time

Hong, Siau Huey (2008) Enzymatic-enhanced production of gaharu oil : effects of enzyme loading and duration time. Faculty of Chemical Engineering and Natural Resources, Universiti Malaysia Pahang.

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Abstract

Gaharu, a resinous wood that occurs in trees is belong to Aquilaria genus. It contains more than 12 chemical components that can be extracted that produce aromatic smells. To enhance oil availability and extractability, the effect of enzyme to substrate ratio and pretreatment time were studied. There are two main processes involved: enzymatic pre-treatment to break down the cell wall of gaharu, and extraction of the gaharu oil. The gaharu woods undergo drying and grinding processes before enzymatic hydrolysis. Gaharu were enzymatically hydrolyzed using Celluclast 1.5 L and the extraction was carried out using hydro-distillation. The extracted oil were then collected and analyzed by calculating the percentage of gaharu oil yield. Prolonged pretreatment time during enzymatic pretreatment process significantly increased the extraction rate of oil from gaharu. The longest pretreatment time, 9 hours gives the yield of 0.1275%. The higher enzyme to gaharu ratio, the higher yield of extracted oil has been achieved. With the highest ratio, 8 ml enzyme/ 400 g gaharu, the yield of extracted gaharu oil is 0.08375%.

Item Type: Undergraduates Project Papers
Additional Information: Project paper (Bachelor of Chemical Engineering) --- Universiti Malaysia Pahang - 2008, SV: Asmida Ideris
Uncontrolled Keywords: Enzymes; Biotechnology
Subjects: T Technology > TP Chemical technology
Faculty/Division: Faculty of Chemical & Natural Resources Engineering
Depositing User: Noorul Farina Arifin
Date Deposited: 13 Apr 2010 01:23
Last Modified: 10 Apr 2017 05:46
URI: http://umpir.ump.edu.my/id/eprint/479
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