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Sesquiterpenes and Flavonoid Aglycones from a Hungarian Taxon of the Achillea millefolium Group
TLDR
The investigation of a dichloromethane extract of flower heads of a Hungarian taxon of the Achillea millefolium group led to the isolation of three flavonoid aglycones, one triterpene, one germacranolide and five guaianolides, which are reported here for the first time. Expand
TLC and HPLC characteristics of desacetylmatricarin, leucodin, achillin and their 8alpha-angeloxy-derivatives.
TLDR
Five guaianolides, including two pairs of isomers, from a Hungarian taxon of the Achillea millefolium group were characterized analytically and their TLC and HPLC fingerprints are compared to those of proazulene containing species and are relevant for quality control. Expand
Flavonoid C- and O-glycosides from the Mongolian medicinal plant Dianthus versicolor Fisch.
TLDR
Eighteen flavonoids were identified from an aqueous extract of the aerial parts of Dianthus versicolor, a plant used in traditional Mongolian medicine against liver diseases, with a high glycosylation pattern rare within the genus Dianthus. Expand
Phenolic and terpenoid compounds from Chione venosa (sw.) urban var. venosa (Bois Bandé).
The Caribbean island of Grenada furnishes the popular aphrodisiac drug Bois Bandé, which consists of the stem bark and the roots of Chione venosa (sw.) URBAN var. venosa (Rubiaceae), a native treeExpand
Sesquiterpenes from Achillea pannonica Scheele
Abstract From dichloromethane extracts of flowerheads of Achillea pannonica Scheele three sesquiterpenes were isolated and identified: 11,13-dehydrodesacetylmatricarin, (6E)-5-tigloxy-Expand
Highly hydroxylated guaianolides of Achillea asiatica and Middle European Achillea species.
From flower heads of Achillea asiatica (L.) Serg., three new guaianolides were isolated by repeated column chromatography and HPLC. The constitution and the stereochemistry of these new, labileExpand
Morphological, chemical and functional analysis of catuaba preparations.
TLDR
Neither aqueous nor methanolic extracts of the Trichilia catigua reference material nor alkaloid-enriched fractions of commercial samples showed any effect on the rabbit corpus cavernosum in an in vitro test. Expand
Combination of chromatographic and spectroscopic methods for the isolation and characterization of polar guaianolides from Achillea asiatica.
TLDR
Four polar guaianolides, isolated from Achillea asiatica and characterized by TLC, MS, IR, HPLC and diode array detection are identified and compared to those of the proazulene 8alpha-tigloxy-artabsin which shows antiinflammatory effects. Expand
Sesquiterpenes and Phenolic Compounds from Achillea clypeolata Sesquiterpenes and Phenolic Compounds from Achillea clypeolata
The investigation of a dichloromethane extract of flower heads of Achillea clypeolata collected in Bulgaria led to the isolation of one guaiane (4,10,11-trihydroxy-guaiane, 1), four eudesmanesExpand
Two proazulenes from Achillea ceretanica Sennen
Abstract From flower heads of a tetraploid clone of Achillea ceretanica two further guaianolides were isolated by repeated column chromatography and HPLC. The constitution and the stereochemistry ofExpand
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