pterosin/pteris

Linkul este salvat în clipboard

ArticoleStudii cliniceBrevete

Alegeți tipul de sortare

15 rezultate

New benzoyl glucosides and cytotoxic pterosin sesquiterpenes from Pteris ensiformis Burm.

Numai utilizatorii înregistrați pot traduce articole

Three new compounds: 2R,3R-pterosin L 3-O-beta-D-glucopyranoside (1), beta-D-xylopyranosyl(1-->2)-7-O-benzoyl-beta-D-glucopyranoside (2) and 4-O-benzoyl-beta-D-xylo-pyranosyl(1-->2)-7-O-benzoyl-beta-D-glucopyranoside (3), together with nine known compounds, were isolated from the ethyl acetate

New pterosin sesquiterpenes and antitubercular constituents from Pteris ensiformis.

Numai utilizatorii înregistrați pot traduce articole

Two new pterosin sesquiterpenes, (2S)-13-hydroxypterosin A (1) and (2S,3S)-12-hydroxypterosin Q (2), were isolated from the whole plants of Pteris ensiformis, together with six known compounds. The structures of 1 and 2 were determined through extensive 1D/2D-NMR and MS analyses. Compound 2

Cytotoxic pterosins from Pteris multifida roots against HCT116 human colon cancer cells.

Numai utilizatorii înregistrați pot traduce articole

Two new pterosin glycosides, (2S,3S)-pterosin C 3-O-β-d-(4'-(E)-caffeoyl)-glucopyranoside (1) and (2S,3S)-pterosin C 3-O-β-d-(6'-(E)-p-coumaroyl)-glucopyranoside (2), were isolated from Pteris multifida (Pteridaceae) roots along with ten known pterosin compounds (3-12). The chemical structures of

Pterosins from Pteris multifida.

Numai utilizatorii înregistrați pot traduce articole

A new C(14) pterosin sesquiterpenoid, named (2R)-pterosin P (1), and a new natural product, named dehydropterosin B (3), were isolated from the aerial parts of Pteris multifida Poir., along with nine known compounds (2, 4-11). By chiral HPLC, compounds 1 and 2 were isolated as a pair of enantiomeric

Two new pterosin dimers from Pteris mutifida Poir.

Numai utilizatorii înregistrați pot traduce articole

Two new C₁₄ pterosin dimers, which are a pair of isomers named as bimutipterosins A (1) and B (2), were isolated from the whole plant of Pteris multifida. Their structures have been elucidated on the basis of NMR and MS data. From a biogenetic point of view, these compounds including a cyclobutane

Three novel pterosin dimers form Pteris obtusiloba

Numai utilizatorii înregistrați pot traduce articole

Three novel pterosin dimmers, named as obtupterosin A (1), B (2) and C (3), together with eight known pterosins (4-11) were isolated from Pteris obtusiloba. Their structures were elucidated on the basis of ESI-MS, 1D and 2D NMR spectral data, CD, X-ray and literature comparisons. Compounds 1 and 2

Four New Pterosins from Pteris cretica and Their Cytotoxic Activities.

Numai utilizatorii înregistrați pot traduce articole

Phytochemical investigation of the aerial parts of Pteris cretica led to the isolation and elucidation of nine pterosins, including four new pterosins, creticolacton A (1), 13-hydroxy-2(R),3(R)-pterosin L (2), creticoside A (3), and spelosin

Pterosin Sesquiterpenoids from Pteris cretica as Hypolipidemic Agents via Activating Liver X Receptors.

Numai utilizatorii înregistrați pot traduce articole

Four new pterosin sesquiterpenoids (1-4), a new ent-kaurane diterpenoid (17), and 18 known compounds were isolated from the aerial parts of Pteris cretica L. The structures of the isolates were elucidated based on spectroscopic data analysis, and their absolute configurations were determined by

Chemical and biologically active constituents of Pteris multifida.

Numai utilizatorii înregistrați pot traduce articole

A new compound, 4-caffeoyl quinic acid 5-O-methyl ether (2), together with 12 known compounds--identified as (2R,3R)-pterosin L 3-O-beta-D-glucopyrannoside (3), beta-sitosterol beta-D-glucopyranoside (4), apigenin 7-O-beta-D-glucopyranoside (5), luteolin 7-O-beta-D-glucopyranoside (6), sucrose (7),

[Studies on chemical constituents from Pteris multifida].

Numai utilizatorii înregistrați pot traduce articole

OBJECTIVE To investigate the chemical constituents of Pteris multifida. METHODS All compounds were isolated and purified by normal column chromatography, paper thin layer chromatography and sephadex chromatography. The chemical structures were mainly elucidated by ESI mass and NMR

[Quality standard study on Pteris multifida].

Numai utilizatorii înregistrați pot traduce articole

The quality control method and standard were established to control the quality of Pteris multifida in this paper. The tests of water content, total ash, acid-unsoluble ash and ethanol-soluble extractives of P. multifida were carried out according to the methods recorded in appendix of Chinese

[Chemical constituents from Pteris multifida and cytotoxic activity].

Numai utilizatorii înregistrați pot traduce articole

The materials were extracted by 95% ethanol, and the extracting solution was isolated by kinds of chromatographic columns including polyamide, MCI, preparative MPLC, and preparative HPLC. Eight diterpenes and two sesquiterpenes were isolated from the plant. On analysis of ESI-MS and NMR

Cytotoxic diterpenoids and sesquiterpenoids from Pteris multifida.

Numai utilizatorii înregistrați pot traduce articole

Three new ent-kaurane diterpenoids, named pterokaurane M 1-M 3 ( 1- 3) and three new C 14 pterosin-sesquiterpenoids, named multifidoside A-C ( 4- 6), along with 18 known compounds, were isolated from the whole plants of Pteris multifida . The structures of 1- 6 were established using spectroscopic

Bovine enzootic haematuria from consumption of Pteris deflexa and Pteris plumula in northwestern Argentina.

Numai utilizatorii înregistrați pot traduce articole

Bovine enzootic haematuria (BEH) is caused by prolonged ingestion of toxic principles of bracken fern, essentially by Pteridium spp. In northwestern Argentina, this disease has a great economic impact ant it is attributed a chronic consumption to Pteridium arachnoideum. This paper describes two

Survey of ferns and clinico-pathological studies on the field cases of Enzootic bovine haematuria in Himachal Pradesh, a north-western Himalayan state of India.

Numai utilizatorii înregistrați pot traduce articole

Enzootic bovine haematuria (EBH) in cattle occurs in upland areas of the world. In India, the disease is present in isolated pockets in the Himalayas and in the Nilgiri Hills. The variation in the disease incidence has been attributed to different environmental conditions and animal rearing

Alăturați-vă paginii
noastre de facebook

Herbal & Natural Medicine

Cea mai completă bază de date cu plante medicinale susținută de știință

Funcționează în 55 de limbi
Cure pe bază de plante susținute de știință
Recunoașterea ierburilor după imagine
Harta GPS interactivă - etichetați ierburile în locație (în curând)
Citiți publicațiile științifice legate de căutarea dvs.
Căutați plante medicinale după efectele lor
Organizați-vă interesele și rămâneți la curent cu noutățile de cercetare, studiile clinice și brevetele

Tastați un simptom sau o boală și citiți despre plante care ar putea ajuta, tastați o plantă și vedeți boli și simptome împotriva cărora este folosit.
* Toate informațiile se bazează pe cercetări științifice publicate