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The extraction of asystasia gangetica using ethyl lactate solvent

Nur Fatihah, Hanafi (2015) The extraction of asystasia gangetica using ethyl lactate solvent. Faculty of Chemical & Natural Resources Engineering, Universiti Malaysia Pahang.

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Abstract

This paper presents the study of the leaves of Asystasia Gangetica. The leaves of Asystasia Gangetica are found to have a number of advantages to produce essential oil which is important in medicine, cosmetic and others. Asystasia Gangetica is a straggling herb usually found among short grasses and along pathways. The objective of this research is to obtain the essential oil from Asystasia Gangetica plant by using maceration method. The solvent used in this study is ethyl lactate. Prior to that, the leaves of Asystasia Gangetica need to be dried first at temperature 70°C to 90°C using oven. After drying, separately, the leaves and stems are cut into pieces. The small pieces of fresh samples (200 g) are extracted using the maceration and rotary evaporator methods are used to obtain the essential oil. The obtained result showed that optimum time is 7 days. Longer time operation and smaller particles size proved that higher yield is obtained. The presence of these components in the essential oil from leaves of Asystasia Gangetica is studied well. The essential oil is analysed using Gas Chromatography-Mass Spectrometer (GCMS). The result by GCMS showed that the essential oil contains hexadeconoic acid, n-hexadecanoic acid, phytol and 9, 12, 15-octadecatrienoic acid.

Item Type: Undergraduates Project Papers
Additional Information: Project Paper (Bachelor of Chemical Engineering) -- Universiti Malaysia Pahang – 2015
Uncontrolled Keywords: Asystasia gangetica; ethyl lactate solvent
Subjects: Q Science > QD Chemistry
T Technology > TP Chemical technology
Faculty/Division: Faculty of Chemical & Natural Resources Engineering
Depositing User: Ms. Nurezzatul Akmal Salleh
Date Deposited: 05 Apr 2016 06:57
Last Modified: 05 Apr 2016 06:57
URI: http://umpir.ump.edu.my/id/eprint/12664
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