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All Journal Indonesian Journal of Chemistry
M. Amzad Hossain
Chemistry Division, Atomic Energy Centre, GPO Box 164, Ramna, Dhaka-1000
Chemical Engineering, Chemistry & Bioengineering Chemistry

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SEPARATION AND IDENTIFICATION OF NORMAL HYDROCARBON, NONADECANE IN THE CABBAGE VEGETABLES SAMPLES (Brassica oleracea VAR. CAPITATA F. ALBA) BY GAS CHROMATOGRAPHY–MASS SPECTROMETRY M. Amzad Hossain; S. M. Salehuddin; M. J. Kabir
Indonesian Journal of Chemistry Vol 8, No 3 (2008)
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (2143.169 KB) | DOI: 10.22146/ijc.21593

Abstract

Toxic normal hydrocarbon (NH), nonadecane in the methanolic extract of the whole of cabbage samples collected from different districts of Bangladesh was analyzed by GC-MS. It was observed that NH deposition on the samples takes place in different morphological parts of the biological materials. The NH, nonadecane, was found in the cabbage samples collected from the highway road side by the extraction of methanol. The identification and quantification of the title compounds have not been reported previously in the cabbage sample.
IDENTIFICATION OF SOME CARCINOGENIC POLYCYCLIC AROMATIC HYDROCARBONS IN BANGLADESHI VEHICLES EXHAUST TAR BY GAS CHROMATOGRAPHY-MASS SPECTROPHOTOMETER M. Amzad Hossain; S. M. Salehuddin
Indonesian Journal of Chemistry Vol 8, No 3 (2008)
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (915.041 KB) | DOI: 10.22146/ijc.21608

Abstract

A more sensitive GC-MS method has been established for the determination of some carcinogenic polycyclic aromatic hydrocarbons (PAHs) in vehicles exhaust tar samples. The tar samples were extracted using dichloromethane (DMC): n-hexane solvent mixture. A multi-layer clean-up (silica gel/sodium sulphate) column was used, followed by glass fiber filter (GFF) paper. The method was successfully applied to determine a number of PAHs present in exhaust tar sample of different vehicles of the Atomic Energy Centre, Dhaka, Bangladesh.
TOXIC NORMAL HYDROCARBONS (NHs) IN THE FISH SAMPLES FROM DIFFERENT PARTS OF BANGLADESH M. Amzad Hossain; S. M. Salehuddin
Indonesian Journal of Chemistry Vol 8, No 2 (2008)
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (270.224 KB) | DOI: 10.22146/ijc.21615

Abstract

Toxic normal hydrocarbon (NH), nonadecane in the dichloromethane-hexane crude extract of the flesh of fish samples collected from the different districts of Bangladesh was analyzed by GC-MS/MS. It was observed that NH deposition on the samples takes place in different morphological parts of the biological materials. The NH, nonadecane, was found in the fish samples collected from the roadside by the extraction of dichloromethane-hexane mixture solvents.
PHYTOCHEMICAL STUDY ON THE ETHYLACETATE EXTRACT OF THE LEAVES OF Mesua ferrea LINN S. M. Mizanur Rahman; Swati Shabnom; M. Abdul Quader; M. Amzad Hossain
Indonesian Journal of Chemistry Vol 8, No 2 (2008)
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (57.818 KB) | DOI: 10.22146/ijc.21637

Abstract

Furano-napthyl-hydroxy cyclohexyl type of compound was isolated first times in plant from the ethyl extracts of the leaves of Mesua ferrea. The structure of the compound has been established by the modern spectroscopic techniques such as UV, IR, 1H-NMR, 13C-NMR and mass spectroscopy and identified as 12, 13-furano-8-hydroxy napthyl-6-0-b-2',3',4',6' tetrahydroxy-5',5' dimethyl cyclohexyl ether.
A NEW PRENYLATED FLAVANONE FROM THE ARIAL PART OF Orthosiphon stamineus M. Amzad Hossain; Atiqur Rahman; Sun Chul Kang
Indonesian Journal of Chemistry Vol 8, No 1 (2008)
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1253.685 KB) | DOI: 10.22146/ijc.21661

Abstract

Phytochemical investigations on the chloroform extract of the arial part of Orthosiphon stamineus resulted in isolation of one new prenylated compound 5,7-dimethoxy-3,4′-dihydroxy-3′,8-di-C-prenylflavanone together with four known flavonoids compounds, sinensetin, eupatorin, 5,6,7,4¢-tetramethoxyflavone and 3-hydroxy-5,6,7,4¢-tetramethoxyflavone. The structures were deduced on basis of different analytical methods such as UV, IR, 1H-NMR, 13C-NMR, DEPT, COSY, HMBQ and GC-MS. The prenylated compound is reported for the first time from this plant.
Co-Authors Atiqur Rahman M. Abdul Quader M. J. Kabir S. M. Mizanur Rahman S. M. Salehuddin Sun Chul Kang Swati Shabnom