pterosin/ailse

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AiltTrialacha cliniciúlaPaitinní

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10 torthaí

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

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Logáil Isteach / Cláraigh

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.

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Logáil Isteach / Cláraigh

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

(2S,3S)-sulfated pterosin C, a cytotoxic sesquiterpene from the Bangladeshi mangrove fern Acrostichum aureum.

Ní féidir ach le húsáideoirí cláraithe ailt a aistriú

Logáil Isteach / Cláraigh

Two new sesquiterpenes, (2R,3S)-sulfated pterosin C (1) and (2S,3S)-sulfated pterosin C (2), along with two known derivatives, (2S,3S)-pterosin C and (2R)-pterosin P, were isolated from a methanolic extract of the aerial parts of Acrostichum aureum. The structures of 1 and 2 were determined by the

Allyl-isothiocyanate ameliorates the pre-neoplastic changes induced by the fern Dryopteris nigropalaceae on experimental feeding in Guinea pigs.

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Logáil Isteach / Cláraigh

Enzootic bovine haematuria, caused by long-term ingestion of ferns, is a chronic disease of hill cattle characterized by neoplastic lesions in the urinary bladder. Objectives of this study were to investigate the toxicity potential of long-term feeding of the fern Dryopteris nigropalaceae and effect

Four New Pterosins from Pteris cretica and Their Cytotoxic Activities.

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Logáil Isteach / Cláraigh

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

Screening for Ptaquiloside in Ferns: Using Herbarium Specimens for Qualitative Mapping Purposes.

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Logáil Isteach / Cláraigh

BACKGROUND Ptaquiloside (PTA) is a noxious carcinogen found widespread in Bracken (Pteridium sp.) but with scattered and unresolved distribution outside the genus. The carcinogen causes Bovine Enzootic Haematuria among cattle all-over the World and is under suspicion of causing human

Fate of ptaquiloside-A bracken fern toxin-In cattle.

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Logáil Isteach / Cláraigh

Ptaquiloside is a natural toxin present in bracken ferns (Pteridium sp.). Cattle ingesting bracken may develop bladder tumours and excrete genotoxins in meat and milk. However, the fate of ptaquiloside in cattle and the link between ptaquiloside and cattle carcinogenesis is unresolved. Here, we

Cytotoxic diterpenoids and sesquiterpenoids from Pteris multifida.

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Logáil Isteach / Cláraigh

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.

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Logáil Isteach / Cláraigh

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

Carcinogenic effects of ptaquiloside in bracken fern and related compounds.

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Logáil Isteach / Cláraigh

Consumption of the bracken fern Pteridium aquilinum by cattle has been shown to induce bladder and intestinal carcinomas in cattle and to cause a number of diseases in other farm animals. An unstable glucoside named ptaquiloside, containing a reactive cyclopropane ring, has been isolated from the

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Herbal & Natural Medicine

An bunachar luibheanna míochaine is iomláine le tacaíocht ón eolaíocht

Oibreacha i 55 teanga
Leigheasanna luibhe le tacaíocht ón eolaíocht
Aitheantas luibheanna de réir íomhá
Léarscáil GPS idirghníomhach - clibeáil luibheanna ar an láthair (ag teacht go luath)
Léigh foilseacháin eolaíochta a bhaineann le do chuardach
Cuardaigh luibheanna míochaine de réir a n-éifeachtaí
Eagraigh do chuid spéiseanna agus fanacht suas chun dáta leis an taighde nuachta, trialacha cliniciúla agus paitinní

Clóscríobh symptom nó galar agus léigh faoi luibheanna a d’fhéadfadh cabhrú, luibh a chlóscríobh agus galair agus comharthaí a úsáidtear ina choinne a fheiceáil.
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