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Solid-state NMR characterization of triacylglycerol and polysaccharides in coffee beans
http://hdl.handle.net/10131/00012514
http://hdl.handle.net/10131/000125140a4b4c71-edaa-43a4-8e3b-2a02c132b12f
名前 / ファイル | ライセンス | アクション |
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20190103_BBB_IK.pdf (3.0 MB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2019-05-29 | |||||
タイトル | ||||||
タイトル | Solid-state NMR characterization of triacylglycerol and polysaccharides in coffee beans | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
主題 | Coffee, triacylglycerol, linoleic acid, polysaccharide, biodiesel | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
著者 |
Kanai, Noriko
× Kanai, Noriko× Yoshihara, Naoki× Kawamura, Izuru |
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著者所属 | ||||||
Department of Chemistry, Chemical Engineering, and Life Science, College of Engineering Science, Yokohama National University | ||||||
著者所属 | ||||||
Instrumental Analysis Center, Yokohama National University | ||||||
著者所属 | ||||||
Department of Chemistry, Chemical Engineering, and Life Science, College of Engineering Science, Yokohama National University | ||||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | It is important to understand the structural characteristics of triacylglycerol (TAG), polysaccharides and trace elements in coffee beans, so that residues can be reutilized in applications including biodiesel oils. Here, we performed 1H and 13C solid-state NMR measurements on Indonesian green beans, roasted beans, and spent coffee grounds (SCGs). In the NMR spectra, there were liquid-like TAG containing linoleic acids based on observed signals of -CH=CH-CH2-CH=CH- group in an acyl chain, which play a role in decreasing TAG’s melting point. We found TAG was still abundant in the SCGs from NMR spectra. After lipids were removed from SCGs, the intensity of the TAG signal decreased considerably, with approximately 64% of the TAG was successfully extracted. We described the chemical structure of TAG in coffee beans and demonstrated that it is possible quantify the amount of extracted TAG using solid-state NMR. Triacylglycerol as a source of biodiesel fuel in spent coffee grounds, green and roasted coffee beans was thoroughly characterized by 1H and 13C solid-state NMR spectroscopy. |
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書誌情報 |
Bioscience, Biotechnology, and Biochemistry 巻 83, 号 5, p. 803-809, 発行日 2019-01-29 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 09168451 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA10824164 | |||||
DOI | ||||||
関連タイプ | isVersionOf | |||||
識別子タイプ | DOI | |||||
関連識別子 | https://doi.org/10.1080/09168451.2019.1571899 | |||||
著者版フラグ | ||||||
出版タイプ | AM | |||||
出版タイプResource | http://purl.org/coar/version/c_ab4af688f83e57aa | |||||
出版者 | ||||||
出版者 | Taylor & Francis |