Gas-Liquid Chromatography and Mass Spectrometry of Quinoxalines Derived from Various Homoglucans by Alkaline o-Phenylenediamine Method
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概要
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Quinoxalines derived from various homoglucans by the alkaline OPD method were subjected to GLC and GC-MS analyses. The main quinoxalines derived from amylose and curdlan were identified as 2-hydroxymethyl-3-(2, 3-dihydroxypropyl) quinoxaline (M- 1) and 2-(2, 3, 4-trihydroxybutyl) quinoxaline (G-1), respectively, using a 2% OV-210 column after trimethylsilylation. Two quinoxalines M-1 and G-1 were formed from barley glucan and lichenan, and the approximate molar ratios of the 1, 4- to 1, 3-linkage in both glucans were estimated to be 1.6 and 2.2, respectively. From scleroglucan, G-1 and 2-(2, 3-dihydroxy-4-D-glucopyranosyl) quinoxaline were produced, reflecting a 1, 3- and branched 1, 6-linkage in the glucan. The ratios of the 1, 4- to 1, 3-linkage of barley glucan and lichenan, or the 1, 6- to 1, 3-linkage of scleroglucan estimated from the formed quinoxalines were in accordance with those obtained by conventional methylation analysis.
- 社団法人 日本農芸化学会の論文
著者
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MIYANO Keiichi
Osaka Prefectural Institute of Public Health
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Morita Naofumi
Laboratory Of Applied Microbiology College Of Agriculture:(present Address)department Of Pharmacolog
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Takagi Masanosuke
Laboratory Of Biophysical Chemistry College Of Agriculture
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HAYASHI Katsumi
Laboratory of Food Chemistry, Department of Agricultural Chemistry, College of Agriculture, Universi
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HAYASHI Katsumi
Laboratory of Food Chemistry, Department of Agricultural Chemistry, College of Agriculture, University of Osaka Prefecture
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