Search Results - "Okuno, Shigenori"

Functional components in sweetpotato and their genetic improvement by Tanaka, Masaru, Ishiguro, Koji, Oki, Tomoyuki, Okuno, Shigenori

“…In addition to the nutritionally important components such as starches, vitamins and minerals, storage roots and leaves of sweetpotato (Ipomoea batatas)…”
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Single-laboratory validation for the determination of caffeic acid and seven caffeoylquinic acids in sweet potato leaves by Sasaki, Kazunori, Oki, Tomoyuki, Kobayashi, Toru, Kai, Yumi, Okuno, Shigenori

“…A single-laboratory validation study was conducted on an HPLC method for the detection and quantification of caffeic acid (CA) and seven species of…”
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Effect of repeated harvesting on the content of caffeic acid and seven species of caffeoylquinic acids in sweet potato leaves by Sasaki, Kazunori, Oki, Tomoyuki, Kai, Yumi, Nishiba, Yoichi, Okuno, Shigenori

“…The purpose of this study was to investigate the effect of repeated harvesting on the content of caffeic acid (CA) and seven species of caffeoylquinic acids…”
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Antimutagenicity of mono-, di-, and tricaffeoylquinic acid derivatives isolated from sweetpotato (Ipomoea batatas L.) leaf by Yoshimoto, M. (National Agricultural Research Center for Kyushu Okinawa Region, Nishigoshi, Kumamoto (Japan)), Yahara, S, Okuno, S, Islam, Md.S, Ishiguro, K, Yamakawa, O

“…The caffeoylquinic acid derivatives, 3-mono-O-caffeoylquinic acid (chlorogenic acid, ChA), 3,4-di-O-caffeoylquinic acid (3,4-diCQA), 3,5-di-O-caffeoylquinic…”
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Black Soybean Seed Coat Extract Prevents Hydrogen Peroxide-Mediated Cell Death via Extracellular Signal-Related Kinase Signalling in HepG2 Cells by HASHIMOTO, Naoto, OKI, Tomoyuki, SASAKI, Kazunori, SUDA, Ikuo, OKUNO, Shigenori

“…Oxidative stress reduces cell viability and contributes to disease processes. Flavonoids including anthocyanins and proanthocyanidins reportedly induce…”
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Identification and Characterization of Foliar Polyphenolic Composition in Sweetpotato (Ipomoea batatas L.) Genotypes by Islam, Md. Shahidul, Yoshimoto, Makoto, Yahara, Shoji, Okuno, Shigenori, Ishiguro, Koji, Yamakawa, Osamu

“…Trials over two years were conducted using 1389 sweetpotato (Ipomoea batatas L.) genotypes collected from all over the world to characterize the polyphenolic…”
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Antimutagenicity of deacylated anthocyanins in purple-fleshed sweetpotato by Yoshimoto, M. (Kyushu National Agricultural Experiment Station, Nishigoshi, Kumamoto (Japan)), Okuno, S, Yamaguchi, M, Yamakawa, O

“…The antimutagenicity of the 3-sophoroside-5-glucoside of cyanidin and 3-sophoroside-5-glucoside of peonidin, the anthocyanin derivatives deacylated from the…”
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Antimutagenicity of sweetpotato (Ipomoea batatas) roots by Yoshimoto, M. (Kyushu National Agricultural Experiment Station, Nishigoshi, Kumamoto (Japan)), Okuno, S, Yoshinaga, M, Yamakawa, O, Yamaguchi, M, Yamada, J

“…Antimutagenicity of the water extracts prepared from the storage roots of four varieties of sweetpotato with different flesh colors was investigated using…”
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Effect of Artificial Shading and Temperature on Radical Scavenging Activity and Polyphenolic Composition in Sweetpotato (Ipomoea batatas L.) Leaves by Islam, Md. Shahidul, Yoshimoto, Makoto, Ishiguro, Koji, Okuno, Shigenori, Yamakawa, Osamu

“…The phenolic content and the radical scavenging activity were compared in leaves of sweetpotato ( Ipomoea batatas L.) cultivars Shimon-1, Kyushu-119 and…”
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Synthesis of 6-substituted indolactams by microbial conversion by Irie, Kazuhiro, Iguchi, Maya, Oda, Tsuneyuki, Suzuki, Yoko, Okuno, Shigenori, Ohigashi, Hajime, Koshimizu, Koichi, Hayashi, Hideo, Arai, Motoo, Nishino, Hoyoku, Iwashima, Akio

“…New indolactam derivatives ( 2 2–4 7) with a fluorine, bromine, iodine or methyl group at position 6 of (−)-indolactam-V ( 1) were synthesized from…”
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Quantitative structure-activity studies on indole alkaloid tumor promoter indolactam congeners by Irie, K, Okuno, S, Kajiyama, S, Koshimizu, K, Nishino, H, Iwashima, A

“…Nine indolactam congeners with L-Abu, gamma,delta-delta-Nva, Nva, Phg, tert-Leu, Leu, Ile, allo-Ile, Nle, instead of L-Val in (--)-indolactam-Val, were…”
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Biological activities and cellular uptake studies of fluorescent derivatives of indole alkaloid tumor promoter teleocidin by Irie, K, Okuno, S, Koshimizu, K, Tokuda, H, Nishino, H, Iwashima, A

“…To investigate the interaction between tumor promoters and their cellular targets, 6 new fluorescent derivatives of indole alkaloid tumor promoter teleocidin…”
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Composition of phenolics and anthocyanins in a sweet potato cell suspension culture by Konczak-Islam, Izabela, Okuno, Shigenori, Yoshimoto, Makoto, Yamakawa, Osamu

“…Accumulation of selected phenolic acids and anthocyanins and changes in their compositions were monitored in a sweet potato cell line (PL) suspension culture…”
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Caffeoylquinic Acids Generated In Vitro in a High-Anthocyanin-Accumulating Sweet potato Cell Line by Konczak, Izabela, Okuno, Shigenori, Yoshimoto, Makoto, Yamakawa, Osamu

“…Accumulation of phenolic compounds has been monitored in a suspension culture of anthocyanin-accumulating sweet potato cell line grown under the conditions of…”
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Nutritional value and physiological functions of sweetpotato leaves by Yoshimoto, M, Kurata, R, Okuno, S, Ishiguro, K, Yamakawa, O, Tsubata, M, Mori, S, Takagaki, K

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New Teleocidin-Related Metabolites, (-)-7-Geranylindolactam-V and Blastmycetin F, from Streptoverticillium blastmyceticum by Irie, Kazuhiro, Kajiyama, Shin-ichiro, Okuno, Shigenori, Kondo, Masaru, Koshimizu, Koichi, Hayashi, Hideo, Arai, Motoo, Nishino, Hoyoku, Iwashima, Akio

“…Two new teleocidin-related metabolites, (-)-7-geranylindolactam-V [2] and blastmycetin F [3], were isolated from fermentation broths of the actinomycete…”
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Syntheses and biological activities of photolabile indolactam derivatives; new probes for the receptor analysis of tumor promoters by Okuno, S, Irie, K, Nishino, H, Iwashima, A, Koshimizu, K

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