Results 151 to 160 of about 1,475 (176)

Characterization and antitumor activities of a polysaccharide from the rhizoma of Menispermum dauricum

International Journal of Biological Macromolecules, 2013
The rhizome of Menispermum dauricum DC (Menispermaceae) is one of the most commonly used traditional Chinese medicines officially listed in Chinese Pharmacopeia. In present study, we purified a water-soluble polysaccharide (WMDP) from this plant and investigated its physicochemical properties.
Mei, Lin, Bairong, Xia, Meng, Yang, Shu, Gao, Yanqiu, Huo, Ge, Lou   +5 more
openaire   +2 more sources

Chlorinated Alkaloids in Menispermum dauricum DC. Root Culture

The Journal of Organic Chemistry, 2001
Feeding experiments using (36)Cl showed that Menispermum dauricum root culture produces four alkaloids containing chlorine. They included the novel alkaloids dauricumine and dauricumidine as well as the known alkaloids acutumine and acutumidine. The structures of novel alkaloids were established by spectroscopic, crystallographic, and chemical methods.
Y, Sugimoto, H A, Babiker, T, Saisho, T, Furumoto, S, Inanaga, M, Kato   +5 more
openaire   +2 more sources

Early Steps of Dauricine Biosynthesis in Cultured Roots ofMenispermum dauricum

Bioscience, Biotechnology, and Biochemistry, 1996
Cultured roots of Menispermum dauricum, a rich source of the bisbenzylisoquinoline alkaloid dauricine (1), were fed with l-[U-(14)C] tyrosine, L-[3-(13)C] tyrosine, and [2-(13)C] tvramine independently, and the incorporation of possible early precursors into 1 was studied.
Y, Sugimoto, S, Uchida, S, Inanaga, Y, Kimura, M, Hashimoto, A, Isogai   +5 more
openaire   +2 more sources

Genetic and alkaloid analysis of Menispermum Dauricum DC. by RAPD and HPLC

Phytochemical Analysis, 2007
AbstractThe aim of the present work was to determine whether dauricine could be used as a taxonomic marker for Menispermum dauricum DC., and to explore the correlation among RAPD, ecological markers and chemical markers. To this end, the chemical and genetic differences of 173 individual samples of M.
Jue, Zhou, Fan, Qu, Rui, Nan
openaire   +2 more sources

(+)-Strigol, a witchweed seed germination stimulant, from Menispermum dauricum root culture

Phytochemistry, 2003
(+)-Strigol was isolated from Menispermum dauricum root culture filtrate. Its identity was confirmed by HPLC, 1H NMR, UV and MS, and on the basis of its CD spectrum. This is the first report on isolation of strigolactone from aseptic plant culture.
Norifumi, Yasuda, Yukihiro, Sugimoto, Masako, Kato, Shinobu, Inanaga, Koichi, Yoneyama   +4 more
openaire   +2 more sources

[A new alkaloid of Menispermum dauricum DC--dauriciline].

Yao xue xue bao = Acta pharmaceutica Sinica, 1992
A new phenolic dauricine-type alkaloid, named "dauriciline", was isolated from the rhizome of Menispermum dauricum DC. It is a pale yellow powder. Based on spectrometric analysis (UV.FAB-MS and 1HNMR) and chemical reaction the structure of the new alkaloid was elucidated as RR,7,7'-demethyldauricine (VI).
X P, Pang, Y W, Chen, X J, Li, J G, Long
openaire   +1 more source

ChemInform Abstract: Dechloroacutumine from Cultured Roots of Menispermum dauricum.

ChemInform, 1999
AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable via the “References” option.
Yukihiro Sugimoto, Shinobu Inanaga, Masako Kato, Toshiyuki Shimizu, Toshio Hakoshima, Akira Isogai   +5 more
openaire   +1 more source

Cytotoxic Oxoisoaporphine Alkaloids from Menispermum dauricum

Journal of Natural Products, 2001
Four new oxoisoaporphine alkaloids, daurioxoisoporphines A-D (1-4), were isolated from the rhizomes of Menispermum dauricum. The structures of these alkaloids were established by spectroscopic methods. The cytotoxic evaluation of 1 and 2 is reported against four cancer cell lines.
B W, Yu, L H, Meng, J Y, Chen, T X, Zhou, K F, Cheng, J, Ding, G W, Qin   +6 more
openaire   +2 more sources

[Effect of phenolic alkaloids of Menispermum dauricum on thrombosis and platelet aggregation].

Yao xue xue bao = Acta pharmaceutica Sinica, 2007
To observe the effect of phenolic alkaloids of Menispermum dauricum (PAMD) on thrombosis and platelet aggregation, and to explore its mechanism of action.Thrombosis was observed with arteriovenous shunt thrombus model in rat; platelet aggregation was determined by Born's method; ultrastructure of platelet was observed by transmission electron ...
Xiang-Ying, Kong, Pei-Li, Gong
openaire   +1 more source

Three new alkaloids from Menispermum dauricum

Journal of Asian Natural Products Research, 2020
Yun-Bao Liu, Jing Qu
exaly