著者

八木 康幸 Yasuyuki Yagi

出版者

関西学院大学史学会

雑誌

関西学院史学 (ISSN:04511263)

巻号頁・発行日

no.46, pp.1-36, 2019-03

著者

八木 康幸 Yasuyuki Yagi

雑誌

人文論究 (ISSN:02866773)

巻号頁・発行日

vol.34, no.3, pp.1-22, 1984-12-20

著者

八木 康幸 Yasuyuki Yagi

出版者

関西学院大学人文学会

雑誌

人文論究 (ISSN:02866773)

巻号頁・発行日

vol.67, no.3, pp.1-29, 2017-12

著者

Jun TAKEBAYASHI Yasuyuki YAGI Rie ISHII Shigeki ABE Kazuhiko YAMADA Akihiro TAI

出版者

Japan Society for Bioscience, Biotechnology, and Agrochemistry

雑誌

Bioscience, Biotechnology, and Biochemistry (ISSN:09168451)

巻号頁・発行日

vol.72, no.6, pp.1558-1563, 2008-06-23 (Released:2008-06-23)

参考文献数

25

被引用文献数

20

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The antioxidant activity of a provitamin C agent, 2-O-β-D-glucopyranosyl-L-ascorbic acid (AA-2βG), was compared to that of 2-O-α-D-glucopyranosyl-L-ascorbic acid (AA-2G) and ascorbic acid (AA) using four in vitro methods, 1,1-diphenyl-picrylhydrazyl (DPPH) radical-scavenging assay, 2,2′-azinobis(3-ethylbenzothiazoline-6-sulfonic acid) radical cation (ABTS•+)-scavenging assay, oxygen radical absorbance capacity (ORAC) assay, and 2,2′-azobis(2-amidinopropane) dihydrochloride (AAPH)-induced erythrocyte hemolysis inhibition assay. AA-2βG slowly and continuously scavenged DPPH radicals and ABTS•+ in roughly the same reaction profiles as AA-2G, whereas AA quenched these radicals immediately. In the ORAC assay and the hemolysis inhibition assay, AA-2βG showed similar overall activities to AA-2G and to AA, although the reactivity of AA-2βG against the peroxyl radical generated in both assays was lower than that of AA-2G and AA. These data indicate that AA-2βG had roughly the same radical-scavenging properties as AA-2G, and a comprehensive in vitro antioxidant activity of AA-2βG appeared to be comparable not only to that of AA-2G but also to that of AA.