Scientific Papers_Licorice

HPLC analysis of ammonium glycyrrhizate listed in the European, United States, and Japanese Pharmacopoeias under reported and modifed　conditions: revision of the peak assignment for 18α‑glycyrrhizin in the European and United States Pharmacopoeias

【2022】

Kazuaki Kamata1,3 · Jin Tatsuzaki1· Tsutomu Ishikawa1 · Ryoko Arai2
· Takashi Hakamatsuka2,4 · Nahoko Uchiyama2

1) Tokiwa Phytochemical Co., Ltd
2) National Institute of Health Sciences
3) Present Address: Gunma University Center for Food Science and Wellness

4) Present Address: Department of Pharmaceutical Sciences,

Nihon Pharmaceutical University

Journal of Natural Medicines

77:202-206 (2023)

Is 18α-Glycyrrhizin a real natural product? Improved preparation of 18α-Glycyrrhizin from 18β-Glycyrrhizin as a positive standard for HPLC analysis of licorice extracts

【2022】

Allylic Hydroxylation Activity Is a Source of Saponin Chemodiversity in the Genus Glycyrrhiza (2021)

【2021】

Much Z Fanani 1, Satoru Sawai 1,2,3,4 , Hikaru Seki 1,2 , Masato Ishimori 3 , Kiyoshi Ohyama 2,5 , Ery O Fukushima 1,6 , Hiroshi Sudo 4 , Kazuki Saito 2,3 , Toshiya Muranaka 1,2

1 Osaka University
2 RIKEN Center for Sustainable Resource Science
3 Chiba University
4 Tokiwa Phytochemical Co., Ltd
5 Tokyo Institute of Technology
6 Universidad Regional Amazónica IKIAM

Plant and Cell Physiology (2021), pcaa173
URL:https://academic.oup.com/pcp/article/62/2/262/6094417

Isolation and characterization of antimutagenic components of Glyctrrhiza aspera against N-methyl-N-nitrosourea(2017)

【2017】

Keiko Inami 1, Yusuke Mine 1, Jin Tatsuzaki 2, Chihiro Mori 2, and Masataka Mochizuki 1

1 Faculty of Pharmaceutical Sciences, Tokyo University of Science
2 Tokiwa Phytochemical Co. Ltd.,

Genes and Environment (2017), 39: 5

Antimutagenicity Screening of Extracts from Medicinal and Edible Plants against N-Methyl-N-nitrosourea by the Ames Assay (2014)

【2014】

Jin Tatsuzaki, Yang Jinwei, Yukiko Kojo, Yusuke Mine, Satoko Ishikawa, Masataka Mochizuki, Keiko Inami
TOKIWA Phytochemical Co., Ltd.、Kyoritsu College of Pharmacy、Tokyo University of Science、Keio University
Genes and Environment Vol. 36 (2014) No. 2 p. 39-46

Unique Coordination Mode of Potassium Ions to Glycyrrhizin：X-ray Crystal Structure of Glycyrrhizin Dipotassium Salt (2009)

【2009】

Yasuko In, Masaru Uchida, Masamichi Watanabe, Norio Aimi, and Toshimasa Ishida
Osaka University of Pharmaceutical Sciences, Tokiwa Phytochemical Co., Ltd, Chiba University
Chemistry Letters Vol.38, No.11

Economic importance of licorice (2009)

【2009】

Hiroaki Hayashi, Hiroshi Sudo
Gifu Pharmaceutical University, TOKIWA Phytochemical Co., Ltd.
Plant Biotechnol, 26, 101-104. (2009)

Expressed sequence tags from rhizomes of Glycyrrhiza uralensis (2009)

【2009】

Hiroshi Sudo, Hikaru Sek, Nozomu Sakurai, Hideyuki Suzuki, Daisuke Shibata, Atsushi Toyoda, Yasushi Totoki, Yoshiyuki Sakaki, Osamu Iida, Toshiro Shibata, Mareshige Kojoma, Toshiya Muranaka, Kazuki Saito.
Plant Biotechnol, 26, 105-107. (2009)

Licorice beta-amyrin 11-oxidase, a cytochrome P450 with a key role in the biosynthesis of the triterpene sweetener glycyrrhizin. (2008)

【2008】

Seki H, Ohyama K, Sawai S, Mizutani M, Ohnishi T, Sudo H, Akashi T, Aoki T, Saito K, Muranaka T.
Proc Natl Acad Sci U S A. , 105(37), 14204-14209. (2008)