Flavonoids from Chiococca braquiata (Rubiaceae)
نویسندگان
چکیده
منابع مشابه
Flavonoids from Chiococca braquiata (Rubiaceae)
The genus Chiococca (Rubiaceae) with 22 species is endemic of the American Continent, and occurs from North America to Brazil. Several Chiococca species have been traditionally used in these regions for the treatment of numerous human ailments including inflammation, antivirus, anti-edema and as aphrodisiac. Other plants belonging to the Rubiaceae family have yielded a number of interesting bio...
متن کاملSecondary metabolites from Rubiaceae species.
This study describes some characteristics of the Rubiaceae family pertaining to the occurrence and distribution of secondary metabolites in the main genera of this family. It reports the review of phytochemical studies addressing all species of Rubiaceae, published between 1990 and 2014. Iridoids, anthraquinones, triterpenes, indole alkaloids as well as other varying alkaloid subclasses, have s...
متن کاملGarjasmine unequivocally isolated from the Rubiaceae
1. Subject and source Kraussia floribunda Harv. (Rubiaceae; Ixoroideae) is a shrub or small tree occurring in Mozambique, Swaziland and South Africa. It is one of only four species in a genus restricted to southern and tropical Africa, and the adjacent island of Socotra (Bridson 1995). The leaves and stems of Kraussia floribunda were collected in Kloof, KwaZulu-Natal in March 2008 and a voucher...
متن کاملTwo New Prenylated Flavonoids From Paracalyx Scariosa
Two new prenylated flavonoids, named scariosin (1) and isorhynchospermin (2) were isolated from the leaves of paracalyx scariosa together with kaempferol, quercetin, kaempferol 3-O- rutinoside and rutin. The structures of (1) and (2) were characterized as 8-C- prenyl- taxifolin 7,3'-dimethylether and 6-C-prenylquercetin 7,4'-dimethylether by their chemical and spectra data, respectively.
متن کاملFlavonoids from Tephrosia aequilata.
From the roots of the plant Tephrosia aequilata Baker, five flavonoids were isolated of which, 3,4:8,9-dimethylenedioxypterocarpan is reported for the first time. Its structure and those of the already known flavonoids were established by physical and spectroscopic analysis. Application of 2D NMR techniques was useful for complete characterization of the new pterocarpan as well as the other kno...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Journal of the Brazilian Chemical Society
سال: 2004
ISSN: 0103-5053
DOI: 10.1590/s0103-50532004000400004