UHPLC/MS and NMR-Based Metabolomic Analysis of Dried Water Extract of Citrus-Type Crude Drugs
Tsujimoto, Takashi, Arai, Ryoko, Yoshitomi, Taichi, Yamamoto, Yutaka, Ozeki, Yoshihiro, Hakamatsuka, Takashi, Uchiyama, Nahoko
Published in Chemical & pharmaceutical bulletin (01.08.2021)
Published in Chemical & pharmaceutical bulletin (01.08.2021)
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N-Nitrosodimethylamine (NDMA) Formation from Ranitidine Impurities: Possible Root Causes of the Presence of NDMA in Ranitidine Hydrochloride
Yokoo, Hidetomo, Yamamoto, Eiichi, Masada, Sayaka, Uchiyama, Nahoko, Tsuji, Genichiro, Hakamatsuka, Takashi, Demizu, Yosuke, Izutsu, Ken-ichi, Goda, Yukihiro
Published in Chemical & pharmaceutical bulletin (01.09.2021)
Published in Chemical & pharmaceutical bulletin (01.09.2021)
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Chemical analysis of a benzofuran derivative, 2-(2-ethylaminopropyl)benzofuran (2-EAPB), eight synthetic cannabinoids, five cathinone derivatives, and five other designer drugs newly detected in illegal products
Uchiyama, Nahoko, Shimokawa, Yoshihiko, Kawamura, Maiko, Kikura-Hanajiri, Ruri, Hakamatsuka, Takashi
Published in Forensic toxicology (01.08.2014)
Published in Forensic toxicology (01.08.2014)
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Facile Synthesis of Kwakhurin, a Marker Compound of Pueraria mirifica and Its Quantitative NMR Analysis for Standardization as a Reagent
Tsuji, Genichiro, Yusa, Masaaki, Masada, Sayaka, Yokoo, Hidetomo, Hosoe, Junko, Hakamatsuka, Takashi, Demizu, Yosuke, Uchiyama, Nahoko
Published in Chemical & pharmaceutical bulletin (01.08.2020)
Published in Chemical & pharmaceutical bulletin (01.08.2020)
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Journal Article
Structural Analysis of Polygalaxanthones, C-Glucosyl Xanthones of Polygala tenuifolia Roots
Tsujimoto, Takashi, Nishihara, Masakazu, Osumi, Yuko, Hakamatsuka, Takashi, Goda, Yukihiro, Uchiyama, Nahoko, Ozeki, Yoshihiro
Published in Chemical & pharmaceutical bulletin (01.11.2019)
Published in Chemical & pharmaceutical bulletin (01.11.2019)
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Journal Article
Overlooked switch from transient sedation to sustained excitement in the Biphasic effects of Ephedra Herb extract administered orally to mice
Huang, Xuedan, Hyuga, Sumiko, Amakura, Yoshiaki, Hyuga, Masashi, Uchiyama, Nahoko, Hakamatsuka, Takashi, Goda, Yukihiro, Odaguchi, Hiroshi, Hanawa, Toshihiko, Kobayashi, Yoshinori
Published in Journal of ethnopharmacology (30.01.2023)
Published in Journal of ethnopharmacology (30.01.2023)
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HPLC analysis of ammonium glycyrrhizate listed in the European, United States, and Japanese Pharmacopoeias under reported and modified conditions: revision of the peak assignment for 18α-glycyrrhizin in the European and United States Pharmacopoeias
Kamata, Kazuaki, Tatsuzaki, Jin, Ishikawa, Tsutomu, Arai, Ryoko, Hakamatsuka, Takashi, Uchiyama, Nahoko
Published in Journal of natural medicines (2023)
Published in Journal of natural medicines (2023)
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Analysis of an Impurity, N-Nitrosodimethylamine, in Valsartan Drug Substances and Associated Products Using GC-MS
Tsutsumi, Tomoaki, Akiyama, Hiroshi, Demizu, Yosuke, Uchiyama, Nahoko, Masada, Sayaka, Tsuji, Genichiro, Arai, Ryoko, Abe, Yasuhiro, Hakamatsuka, Takashi, Izutsu, Ken-ichi, Goda, Yukihiro, Okuda, Haruhiro
Published in Biological & pharmaceutical bulletin (01.04.2019)
Published in Biological & pharmaceutical bulletin (01.04.2019)
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Miroestrol Quantification in Pueraria mirifica Crude Drugs and Products by Single-Reference UPLC/PDA/MS Using Relative Molar Sensitivities to Kwakhurin
Masada, Sayaka, Hosoe, Junko, Arai, Ryoko, Demizu, Yosuke, Hakamatsuka, Takashi, Goda, Yukihiro, Uchiyama, Nahoko
Published in Chemical & pharmaceutical bulletin (01.06.2021)
Published in Chemical & pharmaceutical bulletin (01.06.2021)
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Esterified carotenoids are synthesized in petals of carnation (Dianthus caryophyllus) and accumulate in differentiated chromoplasts
Iijima, Luna, Kishimoto, Sanae, Ohmiya, Akemi, Yagi, Masafumi, Okamoto, Emi, Miyahara, Taira, Tsujimoto, Takashi, Ozeki, Yoshihiro, Uchiyama, Nahoko, Hakamatsuka, Takashi, Kouno, Takanobu, Cano, Emilio A, Shimizu, Motoki, Nishihara, Masahiro
Published in Scientific reports (16.09.2020)
Published in Scientific reports (16.09.2020)
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Rapid and efficient high-performance liquid chromatography analysis of N-nitrosodimethylamine impurity in valsartan drug substance and its products
Masada, Sayaka, Tsuji, Genichiro, Arai, Ryoko, Uchiyama, Nahoko, Demizu, Yosuke, Tsutsumi, Tomoaki, Abe, Yasuhiro, Akiyama, Hiroshi, Hakamatsuka, Takashi, Izutsu, Ken-Ichi, Goda, Yukihiro, Okuda, Haruhiro
Published in Scientific reports (14.08.2019)
Published in Scientific reports (14.08.2019)
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Quality Assessment of Medicinal Product and Dietary Supplements Containing Vitex agnus-castus by HPLC Fingerprint and Quantitative Analyses
Sogame, Mami, Naraki, Yoko, Sasaki, Takahiro, Seki, Masaharu, Yokota, Kazuyoshi, Masada, Sayaka, Hakamatsuka, Takashi
Published in Chemical & pharmaceutical bulletin (01.06.2019)
Published in Chemical & pharmaceutical bulletin (01.06.2019)
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Journal Article
Temperature-Dependent Formation of N-Nitrosodimethylamine during the Storage of Ranitidine Reagent Powders and Tablets
Abe, Yasuhiro, Yamamoto, Eiichi, Yoshida, Hiroyuki, Usui, Akiko, Tomita, Naomi, Kanno, Hitomi, Masada, Sayaka, Yokoo, Hidetomo, Tsuji, Genichiro, Uchiyama, Nahoko, Hakamatsuka, Takashi, Demizu, Yosuke, Izutsu, Ken-ichi, Goda, Yukihiro, Okuda, Haruhiro
Published in Chemical & pharmaceutical bulletin (01.10.2020)
Published in Chemical & pharmaceutical bulletin (01.10.2020)
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Journal Article
Quality Evaluation and Characterization of Fractions with Biological Activity from Ephedra Herb Extract and Ephedrine Alkaloids-Free Ephedra Herb Extract
Yoshimura, Morio, Amakura, Yoshiaki, Hyuga, Sumiko, Hyuga, Masashi, Nakamori, Shunsuke, Maruyama, Takuro, Oshima, Naohiro, Uchiyama, Nahoko, Yang, Jinwei, Oka, Hideki, Ito, Hideyuki, Kobayashi, Yoshinori, Odaguchi, Hiroshi, Hakamatsuka, Takashi, Hanawa, Toshihiko, Goda, Yukihiro
Published in Chemical & pharmaceutical bulletin (01.02.2020)
Published in Chemical & pharmaceutical bulletin (01.02.2020)
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Journal Article
Characterization of UV-Sensitive Marker Constituents of Polygala Root for TLC: Applications in Quality Control of Single Crude Drug Extract Preparations
Uchikura, Takashi, Sugiwaki, Hidemi, Yoshimura, Morio, Mitsuhashi, Hiromi, Fuchino, Hiroyuki, Kawahara, Nobuo, Hakamatsuka, Takashi, Amakura, Yoshiaki
Published in Chemical & pharmaceutical bulletin (01.12.2018)
Published in Chemical & pharmaceutical bulletin (01.12.2018)
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Miroestrol Quantification in Pueraria mirifica Crude Drugs and Products by Single-Reference UPLC / PDA / MS Using Relative Molar Sensitivities to Kwakhurin
Sayaka Masada, Junko Hosoe, Ryoko Arai, Yosuke Demizu, Takashi Hakamatsuka, Yukihiro Goda, Nahoko Uchiyama
Published in Chemical and Pharmaceutical Bulletin (01.06.2021)
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Published in Chemical and Pharmaceutical Bulletin (01.06.2021)
Journal Article
Analgesic Effects of Ephedra Herb Extract, Ephedrine Alkaloids–Free Ephedra Herb Extract, Ephedrine, and Pseudoephedrine on Formalin-Induced Pain
Nakamori, Shunsuke, Takahashi, Jun, Hyuga, Sumiko, Yang, Jinwei, Takemoto, Hiroaki, Maruyama, Takuro, Oshima, Naohiro, Uchiyama, Nahoko, Amakura, Yoshiaki, Hyuga, Masashi, Hakamatsuka, Takashi, Goda, Yukihiro, Odaguchi, Hiroshi, Hanawa, Toshihiko, Kobayashi, Yoshinori
Published in Biological & pharmaceutical bulletin (01.09.2019)
Published in Biological & pharmaceutical bulletin (01.09.2019)
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