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All Journal MARINA CHIMICA ACTA
Alfian Noor
Department of Chemistry, Hasanuddin University, South Sulawesi
Biochemistry, Genetics & Molecular Biology

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LIGNIN AND CARBON ISOTOPES COMPOSITION OF SUSPENDED PARTICULATES BY CAPILLARY GAS CHROMATOGRAPHY OF CUPRIC OXIDE OXIDATION PRODUCTS Waode Rustiah; Alfian Noor; Maming Maming; Muhammad Lukman
Marina Chimica Acta Vol. 19 No. 1 (2018): Volume 19, No. 1 (2018)
Publisher : Hasanuddin University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (283.044 KB) | DOI: 10.20956/mca.v19i1.4204

Abstract

Lignin are high molecular weight phenolic polymers that occur as major constituents of vascular plants. As a result of their natural abundance, wide distribution, and resistance to microbial degradation, lignin are also commonly found in soil and sedimentary organic matter. The aim of this study was to identify the contribution of lignin to the suspended particulate fraction in the Losari Beach and Lae-lae Island, where indicate highly degraded lignin materials. Lignin was characterized by oxidative degradation, cupric oxide being chosen as the most suitable oxydizing agent to produce simple lignin-derived phenols that are extracted with hexane and analyzed by capillary gas chromatography on fused silica columns, provides the high sensitivity and precision required for the identification and quantitation of trace levels of lignin in seawater. A suite of up to 8 phenols is produced that reflects the relative concentration and plant tissue sources of lignin present in the suspended material.
VOLATILE COMPOUNDS’ CHARACTERIZATION OF N-HEXANE EXTRACTS OF TERASA’S FOREST HONEY Aulia Winaldi; Alfian Noor; Firdaus Firdaus
Marina Chimica Acta Vol. 19 No. 1 (2018): Volume 19, No. 1 (2018)
Publisher : Hasanuddin University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (296.71 KB) | DOI: 10.20956/mca.v19i1.4206

Abstract

This study aims to identify volatile compounds that are characteristic of the honey of Terasa village of Sinjai regency of South Sulawesi, volatile honey extracted with n-hexane solvent then identified by Gas Chromatography Mass Spectroscopy (GCMS) method. The results obtained 59 volatile compounds derived from honey are grouped into compounds namely hydrocarbons, aldehydes, ketones, alcohols, esters, bensenoid and carboxylic acids. Based on comparative results with other honey regions it is known that volatile compounds that become characteristic of honey Terasa village that is compound Tetrasilaoktana
Co-Authors Aulia Winaldi Firdaus Firdaus Maming Maming Muhammad Lukman Rustiah, Wa Ode