Chemical constituents of Taraxacum formosanum.

  title={Chemical constituents of Taraxacum formosanum.},
  author={Y. L. Leu and Li-Shian Shi and Amooru Gangaiah Damu},
  journal={Chemical \& pharmaceutical bulletin},
  volume={51 5},
Three new compounds, taraxacine-A (1), taraxacine-B (2) and taraxafolin (3) together with twenty-five known compounds, which include two beta-carboline alkaloids, two indole alkaloids, two chlorophylls, two flavonoids, one coumarin, two triterpenoids, one monoterpenoid, one ionone, four steroids and eight benzenoids, were isolated and characterized from the fresh aerial parts of Taraxacum formosanum. Structures of new compounds were determined by spectral analysis. 
Chemical constituents from roots of Taraxacum formosanum.
Two new compounds, taraxafolide (1) and (+)-taraxafolin-B (2) together with eighteen known compounds, which include one sesquiterpene, thirteen benzenoids, two indole alkaloids, one pyridine
Sesquiterpenoids and phenolics from Taraxacum hondoense.
Eleven sesquiterpene lactones, including the new guaianolide 11beta-hydroxydeacetylmatricarin-8-O-beta-glucopyranoside, along with four known phenolic glucosides were isolated from Taraxacum
Taraxacum--a review on its phytochemical and pharmacological profile.
This contribution provides a comprehensive review of the pharmacologically relevant compounds of Taraxacum characterized so far and of the studies supporting its use as a medicinal plant.
Flavonoids as chemosystematic markers in the tribe Cichorieae of the Asteraceae
This review summarizes reports on flavonoids from the Cichorieae (Lactuceae) tribe of the Asteraceae family and the distribution of the various classes of flavonoid is analyzed with regards to data from the current molecular-based reassessment of the systematics of the tribe.
Phytochemical Investigations on Chemical Constituents of Taraxacum bessarabicum (Hornem.) Hand.-Mazz. subsp. bessarabicum (Hornem.) Hand.-Mazz.
  • A. Sarı, Z. Keçeci
  • Chemistry, Medicine
    Iranian journal of pharmaceutical research : IJPR
  • 2019
This is the first report of the isolation of compound 5 from the genus Taraxacum, and the presence of these compounds has been shown for the first time from this species.
Taraxacum officinale and related species-An ethnopharmacological review and its potential as a commercial medicinal plant.
A current review of developments and trends in research on the Taraxacum genus, with a focus on traditional uses and pharmacological properties is provided, to shed light on the potential of this plant as an attractive commercial herbal medicine.
Quinic acid derivatives from Pimpinella brachycarpa exert anti-neuroinflammatory activity in lipopolysaccharide-induced microglia.
Five new quinic acid derivatives (1-5) were isolated from the MeOH extract of Pimpinella brachycarpa (Umbelliferae) and their structures were established on the basis of spectroscopic analyses including extensive 2D NMR studies (COSY, HMQC and HMBC).
The inhibition of superoxide anion generation in human neutrophils by Viscum coloratum.
One new 1,3-diphenylpropane, viscolin (1), and one new flavanone, (2S)-7,4'-dihydroxy-5,3'-dimethoxyflavanone (2), together with thirty-nine known compounds, which included eleven known flavanones,
N-Carboxamido-staurosporine and Selina-4(14),7(11)-diene-8,9-diol, New Metabolites from a Marine Streptomyces sp. †
In our screening of micro-organisms for novel bioactive natural products, a new staurosporinone, N-carboxamido-staurosporine (1c), and a new sesquiterpene,
New Flavones, a 2-(2-Phenylethyl)-4H-chromen-4-one Derivative, and Anti-Inflammatory Constituents from the Stem Barks of Aquilaria sinensis
This investigation reveals bioactive isolates could be further developed as potential candidates for the treatment or prevention of various inflammatory diseases.


Further sesquiterpenoids and phenolics from Taraxacum officinale.
Five germacrane- and guaiane-type sesquiterpene lactones, including two previously described taraxinic acid derivatives, were isolated from the roots of Taraxacum officinale, together with benzyl
Constituents from the stem and root of Aristolochia kaempferi.
Three new phenanthrene derivatives, aristoliukine-C, aristofolin-E and aristolochic acid-Ia methyl ester, and one new sesquiterpene, madolin-P, together with 58 known compounds were isolated from the
Glycosides and acylated glycosides of isoetin from european species of Hypochoeris
Abstract A chemical investigation of the leaves of Hypochoeris spp. yielded four new isoetin (5,7,2′,4′,5′-pentahydroxyflavone) derivatives: isoetin 2′-xyloside, isoetin 7-glucoside-2′-xyloside and
The Constituents of the Leaves of Aristolochia heterophylla HEMSL.
Investigation of the fresh leaves of Aristolochia heterophylla resulted in the isolation of three new compounds, madolin-N (1), madolin-O (2) and aristophyll-C(3), together with 42 known compounds.
Acylated triterpene glycoside from roots of Dipsacus asper
The structure of the acylated triterpene glycoside was elucidated as the 4′- O -acetate of akebia saponin D by spectroscopic methods.
A sesquiterpene lactone glucoside from Ixeris denticulata f. pinnatipartita.
An extract from the entire Ixeris denticulata f. pinnatipartita plant afforded the guaianolide sesquiterpene lactone glucoside, 8 beta,15-dihydroxy-1(10),3,11(13)-guaiatrien-12,6-olide-15-O-
Phenolic and polyketide metabolites of the aspen blue stain fungus Ophiostoma crassivaginata
4-Ethyl-2H-pyran-2-one-6-carboxylic acid is found for the first time as a natural product in liquid culture by the blue stain fungus Ophiostoma crassivaginata.
Chemistry and biochemistry of Chinese drugs. VII. Cytostatic pheophytins from silkworm excreta, and derived photocytotoxic pheophorbides.
Four chlorophyll derivatives (pheophytins) were isolated from silkworm excreta by column and thin-layer chromatography and their structures were elucidated by spectroscopy, showing cytotoxic effects towards the tumor cells under illumination.
Inhibition of adenosine 3',5'-cyclic monophosphate phosphodiesterase by alkaloids. II.
Major alkaloids among the three groups of congeners in Picrasma quassioides and Ailanthus altissima showed the most potent inhibitory activity, equal to or greater than that of papaverine used as a reference.
Anti-carcinogenic activity of Taraxacum plant. II.
1 showed a remarkable inhibitory effect on mouse spontaneous mammary tumors using C3H/OuJ mouse, which strongly suggested that taraxasterol (1) could be a valuable chemopreventive agent.