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All Journal Molekul: Jurnal Ilmiah Kimia
Purwati Purwati
Program Studi Kimia, Jurusan MIPA Unsoed Purwokerto
Chemical Engineering, Chemistry & Bioengineering Chemistry

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ANALISIS KOMPONEN KIMIA EKSTRAK METANOL FRAKSI PETROLEUM ETER DAUN EUPATORIUM ODORATUM DENGAN GC-MS Purwati Purwati; Sabirin Matsjeh
Molekul Vol 3, No 1 (2008)
Publisher : Universitas Jenderal Soedirman

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (247.017 KB) | DOI: 10.20884/1.jm.2008.3.1.41

Abstract

The purpose of this investigation was to analize the organic compounds of Eupatorium odoratum leaf and identification of the compounds using Gas Chromatography Mass Spectrometry (GC-MS). The sample was soaked in metanol. The extract of metanol was partitioned using petroleum ether. The extracts obtained were analyzed and identified by GC-MS. The results showed that in the extract of petroleum ether contained the organic compounds: germacrene, isocaryophyllene, 2,6,6,9-tetramethyl-1,4,8-cycloundecatriene, 1-methyl-5-methylene-8-(1-methylethyl)-1,7-cyclodecadiene, 1,2,4a,5,8,8a-hexahydro-4,7-dimethyl-1-(1-methylethyl) naphthalene, 1,12- dodecanediol, octahydro-1-(2-octyldecyl) pentalene, 3,7,11,15-tetramethyl-2-hexadecen-1-ol, methyl (12-acetyloxy)-9-octadecanoic, bis (2-ethylhexyl) phthalat, farnesol, 4,22-cholestadien-3-one and 1,2,3,5,6,7,8,8a-octahydro-1,4-dimethyl-7-(1-methylethenyl) azulene. In the extract of ethyl acetate contained the organic compounds: methyl heptadecanoic, hexadecanoic acid, methyl 13-octadecenoic, 14,16-octadecadienal and octadecanoic acid.
REAKSI TRANSESTERIFIKASI MINYAK KACANG TANAH (Arahis hypogea. L) DAN METANOL DENGAN KATALIS KOH Purwati Purwati; Hartiwi Diastuti
Molekul Vol 2, No 1 (2007)
Publisher : Universitas Jenderal Soedirman

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (88.373 KB) | DOI: 10.20884/1.jm.2007.2.1.30

Abstract

Oil and fat as part of lipid are taking an important role in food industry. There are soluble vitamins, like A, D, E and K, in oil and fat. Oil, that is a source of essential acid, is a high energy source. Oil and fat take a role to improve the shape and to give a taste. This experiment have been conducted to investigate the quantity of methyl ester that is produced from transesterification reactions of peanut seed oil with methanol using KOH as a catalyst and to analyze a kind of methyl ester that is produced using GCMS.We got 68% v/v product of transesterification and we knew for kinds of methyl ester those were produced from GCMS. They are methyl palmitic, methyl linoleic, methyl stearic, dan methyl 12-hydroxil-9-octadecaenoic.
Co-Authors Hartiwi Diastuti Sabirin Matsjeh