Results 161 to 170 of about 6,779 (214)
Some of the next articles are maybe not open access.
Chromosome characteristics of three Coptis species
China Journal of Chinese Materia Medica, 2010In the present paper, three Coptis species, collected from Sichuan and Chongqing, China, were used for karyotypic analyses. The results indicated that both C. chinensis and C. omeinensis were diploid with chromosome 2n = 2x = 18, and C. deltoidea was an autotriploid with chromosomes 2n = 3x = 27, which explained why this species was morphologically so ...
Gang, Xiang, Tihua, Fu, Qiaojia, Fan
openaire +2 more sources
AChE inhibitory alkaloids from Coptis chinensis
Fitoterapia, 2020Coptis chinensis is a widely used traditional Chinese herbal medicine. In this work, 6 new alkaloids (coptisine A-F, 1-6) and 26 known alkaloids (7-32) were isolated from the chloroform extract of the rhizomes of C. chinensis. Compounds 1-3 are α-carbonylated benzylisoquinolines, and 4-6 are berberidic acid type alkaloids.
Yan, Lin +9 more
openaire +2 more sources
Coumarin derivatives in Coptis trifolia
Phytochemistry, 1992Abstract Known compounds, epiberberine, groenlandicine, scopoletin and β-sitosterol were characterized in the whole plants of Coptis trifolia . By means of spectral analysis, the structures of two new compounds were determined to be glycosides of a 10-hydroxygeranyl residue which is linked with scopoletin (7-hydroxy-6-methoxycoumarin) through an ...
Mizuo Mizuno +4 more
openaire +1 more source
The Corpus dei Manoscritti Copti Letterari
Computers and the Humanities, 1990The Corpus dei Manoscritti Copti Letterari is a project whose original aim was to reconstruct the Coptic codices from the White Monastery in Upper Egypt. The project was later expanded to include all Coptic literature. In 1980 a new project was launched to transfer the data into machine-readable form and make the information available, in as generic a ...
openaire +1 more source
2011
Overview of the Coptic section of the Borgia collection of the Vatican Library, coming from the Library of Propaganda Fide: its historical importance, statistics and bibliography.
openaire +1 more source
Overview of the Coptic section of the Borgia collection of the Vatican Library, coming from the Library of Propaganda Fide: its historical importance, statistics and bibliography.
openaire +1 more source
[Research development of Coptis chinensis].
Zhongguo yi xue ke xue yuan xue bao. Acta Academiae Medicinae Sinicae, 2006To summarize the research and application of ecological planting technique for Coptis chinensis, and describe the recent development of its chemical components, pharmacological effects and clinical applications.
Jin-Tang, Xu, Li-Qun, Wang, Bei, Xu
openaire +1 more source
Investigation and protection for endangered Coptis deltoidea
China Journal of Chinese Materia Medica, 2011OBJECTIVE To investigate the history of the medicinal uses, resources, distribution, habitat and population characteristic of Coptis deltoidea, and provide basis for the protection and rational development and utilization of Radix Coptidis Deltoideae.
openaire +1 more source
ALKALOIDS OFCOPTIS GROENLANDICA
Planta Medica, 1970S F, Cooper, J A, Mockle, J, Beliveau
openaire +2 more sources
Chemical Constituents of Coptis chinensis
Chemistry of Natural Compounds, 2022Yu Sun, Benzheng Su
openaire +1 more source