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Flavonoid Constituents of Acacia catechu

Autor: Seong Su Hong, Joa Sub Oh, Yun-Hyeok Choi, Min-Jung Kang, Jung-Hye Shin, Hwa-Jin Suh, Oh-Oun Kwon

Publikováno v: Journal of Applied Biological Chemistry. 58:189-194

Ten compounds were isolated from the ethanolic extract of the leaves of Acacia catechu (Fabaceae), and their structures were identified as nine flavonoids ((+)-catechin (1), (-)- epicatechin (2), (+)-afzelechin (3), (�)-epiafzelechin (4), (+)- mesq

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::88594eaf0d553d38b365bbf3231090fc
https://doi.org/10.3839/jabc.2015.030

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Layered co-sensitization of gardenia and monascus for panchromatic light harvesting in dye-sensitized solar cells

Autor: Oh Oun Kwon, Sang-Wook Kim, Kyung-Hee Park, Tae-Young Kim, Jae-Wook Lee, Jung-Hun Kim, Hyo Jung Lee

Publikováno v: Photonics and Nanostructures - Fundamentals and Applications. 14:71-76

TiO 2 electrodes adsorbed with two natural dyes (gardenia yellow and monascus) were used as sensitizers to improve the conversion efficiency of cocktail dye-sensitized solar cells (CDSC) for light harvesting over a wide range of wavelength. Adsorptio

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::27d175ecf303c4a4e23611bcf019fa1a
https://doi.org/10.1016/j.photonics.2015.01.007

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Photovoltaic performance of TiO2 electrode adsorbed with gardenia yellow purified by nonionic polymeric sorbent in dye-sensitized solar cells

Autor: Sang Yook Kim, Tae-Young Kim, Kyung-Hee Park, Jae-Wook Lee, Jae Hyeok Lee, Hyo Jung Lee, Oh Oun Kwon, Eui Jin Kim, Hwa Jin Suh

Publikováno v: Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy. 136:1460-1466

To improve the photovoltaic conversion efficiency in dye-sensitized solar cells (DSSCs), TiO 2 electrode adsorbed with gardenia yellow purified by nonionic polymeric sorbent was successfully formulated on nanoporous TiO 2 surface. Adsorption and deso

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::cfaae50a2e801872ffe681ad1e7975dd
https://doi.org/10.1016/j.saa.2014.10.037

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Nrf2-mediated induction of phase 2 detoxifying enzymes by curled dock (Rumex crispus L.) seed extract

Autor: Oh Oun Kwon, Hwa-Jin Suh, Jong-Sang Kim, Hyo Jung Kim, Chae Lim Jung, In Sil Park

Publikováno v: Food Science and Biotechnology. 22:795-802

Curled dock (Rumex crispus L.) is known to have several health benefits including antioxidant, antifungal, and anti-inflammatory effects. The potential to induce phase 2 detoxifying enzymes of butanol extract of curled dock (BECD) seeds was investiga

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::7bccbccb99aafc6a6801da252799c011
https://doi.org/10.1007/s10068-013-0147-0

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Determination of singlet oxygen quenching and antioxidant activity of Bieckols isolated from the brown alga Eisenia bicyclis

Autor: Bong-Sik Yun, Dai-Il Hwang, Oh-Oun Kwon, Tae-Hyung Kwon, You-Jeong Kim, In-Kyoung Lee, Choong-Gon Kim, Min-Jeong Kim, Hwa-Jin Suh, Nyun-Ho Park, Tae Wan Kim

Publikováno v: European Food Research and Technology. 237:501-508

In this study, we determined 2,2-diphenyl-1-picrylhydrazyl (DPPH) and 2,2′-azino-bis (3-ethylbenzthiazoline-6-sulfonic acid) (ABTS) radical scavenging activities as well as the reducing power for screening of antioxidant activity of bieckols in Eis

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::bdcd53898a323d2e5f6ff1a9bd457f1f
https://doi.org/10.1007/s00217-013-2017-7

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Reactive oxygen species scavenging activities of naturally occurring colorants

Autor: Hye Ryung Kang, Jong-Sang Kim, Hyo Jung Kim, Hwa-Jin Suh, Kyung Sun Kim, Oh Oun Kwon

Publikováno v: Food Science and Biotechnology. 22:225-231

Twenty-five kinds of plant extract used as natural dyeing agents were tested for their reactive oxygen species (ROS) scavenging activities using several assay systems. Among plant extracts examined in this study the hot water extracts from logwood, w

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a4e28bb9dc0241af89134d71d652c472
https://doi.org/10.1007/s10068-013-0031-y

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Reaction of Sodium Cyanoaluminum Hydride with Selected Organic Compounds Containing Representative Functional Groups

Autor: Se Jin Yu, Min Young Roh, Jin Soon Cha, Ja Eun Yi, Seung Jin Park, Oh Oun Kwon

Publikováno v: Bulletin of the Korean Chemical Society. 29:2379-2382

Sodium cyanoaluminum hydride (SCAH) was prepared by the reaction of aluminum hydride and sodium cyanide in tetrahydrofuran at room temperature, and the approximate rates and stoichiometry of the reaction with selected organic compounds containing rep

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::cf3e9baf1747aa701e85482ec122ce6b
https://doi.org/10.5012/bkcs.2008.29.12.2379

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