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Paper Information

Journal:   IRANIAN JOURNAL OF WOOD AND PAPER SCIENCE RESEARCH   spring 2018 , Volume 33 , Number 1 (62) ; Page(s) 1 To 11.

A study on the possibility of identification and comparison of chemical components in Alnus Subcordata and Alnus Glotinosa wood using GC-MS methods

Author(s):  VAYSI R.*, Yosofi f.
* Chalous Azad University, Iran
The aim of this study was to investigate the identification and comparison of chemical compounds in Alnus subcordata and Alnus glotinosa wood. For this purpose, the samples were chosen randomly from Alnus subcordata and Alnus glotinosa wood in Nowshahr's forest region. First, flour and acetone extractives were prepared using TAPPI standard test methods. Then, extractives were transferred to glass vial and was added BSTFA reactive agent was added. Then, samples were injected to the GC/MS device for analysis. Identification of compounds was based on retention time of each compound, calculation of Quats index and Adams table. The result of GC-MS showed that there exist 99 compounds in Alnus subcordata, including dibutyl phthalate (9. 15%), 2, 2-oxybis-ethanol (6. 62%), 1, 2-benzendicarboxylic acid (2. 63%) and squalene (0. 48%) were important compounds. In Alnus glotinosa, among 127 indentified compounds, butanedioic, monomethyl ester (10. 88%), isopropenoxypropan-2-ol (8. 82%), 3, 5-dioxaundecane (7. 73%), gamma-sitosterol (3. 53%) and vanillin (0. 39%) were important compounds. Comparison of chromatograms of the samples showed that there are 12 common components in Alnus subcordata and Alnus glotinosa, consisting of tetradecane, hexadecane, heptadecane, isopropenoxypropan-2-ol and bis (2-ethylhexyl) phthalate were important components. Some of these compounds can very important in durability and consumption Alnus subcordata and Alnus glotinosa wood.
Keyword(s): Alnus subcordata and Alnus glotinosa,mass spectrometry,gas chromatography,organic compounds
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