Structural Analyses of Carbon Chains in 5-Alk(en)ylresorcinols of Rye and Wheat Whole Flour by Tandem Mass Spectrometry
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概要
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The locations of double bonds and the linearity of each carbon chain in 5-alk(en)ylresorcinols present in rye and wheat whole flour were determined from collision-activated dissociation (CAD) spectra by tandem mass spectrometry. Among the determined alk(en)ylresorcinols, eleven alkenylresorcinols (C_<17> to C_<23>) and four alkadienylresorcinols (C_<19> to C_<25>) had not been previously identified. In this study, we found that identification of a radical-anion fragment peak due to a simple allylic cleavage on the methyl side was essential for determining the locations of double bonds in positionally isomeric alkenylresorcinols. In addition, an analysis of the CAD spectra of lithium-adduct cations as precursor ions was useful for determining the locations of the homoconjugated (Z, Z)-diene group in alkadienylresorcinols.
- 社団法人日本農芸化学会の論文
- 1997-03-23
著者
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KONO Yoshiki
The Institute of Physical and Chemical Research
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SAKURAI Akira
The Institute of Physical and Chemical Research
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Uramoto M
Riken (the Institute Of Physical And Chemical Research)
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Uramoto M
Tamagawa Univ. Tokyo Jpn
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Uramoto M
Department Of Applied Biological Chemistry Tamagawa University
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KONO Yoshiki
School of Agriculture, Ibaraki University
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Kono Y
Ibaraki Univ. Ibaraki Jpn
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Ueki Masashi
Riken Institute
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Sakurai A
Inst. Physical And Chemical Res. (riken) Saitama Jpn
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Sakurai A
The Institute Of Physical And Chemical Research (riken)
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Sakurai Akira
The Inst. Of Phys. And Chem. Res.
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Sakurai Akira
Inst. Phys. Chem. Res. (riken)
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ESUMI Yasuaki
The Institute of Physical and Chemical Research, RIKEN
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URAMOTO Masakazu
The Institute of Physical and Chemical Research
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SUZUKI Yoshikatsu
The Institute of Physical and Chemical Research (RIKEN)
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URAMOTO Masakazu
Tamagawa University
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Suzuki Yoshihito
Dep. Of Applied Biological Chemistry Univ. Of Tokyo
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Suzuki Y
Department Of Global Epidemiology Hokkaido University Research Center For Zoonosis Control
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Uramoto Masakazu
Riken (the Institute Of Physical And Chemical Research)
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Suzuki Yoshihito
Department Of Applied Biological Chemistry The University Of Tokyo
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Suzuki Yoshihito
The Institute Of Enology And Viticulture Yamanashi University
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Suzuki Y
Research Institute For Bioresources Okayama University
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Esumi Y
Riken (the Institute Of Physical And Chemical Research)
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Esumi Yasuaki
The Institute Of Physical And Chemical Research (riken)
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Esumi Yasuaki
The Institute Of Physical And Chemical Research
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SUZUKI Yoshikatsu
The Institute of Physical and Chemical Research
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