Results 61 to 70 of about 543 (149)

Cytotoxic Natural Products Isolated from Cryptogramma crispa (L.) R. Br. [PDF]

Molecules, 2023
Diaz AEC, Herfindal L, Andersen HL, Fossen T.   +3 more
europepmc   +1 more source

Ptaquiloside from bracken in stream water at base flow and during storm events

, 2016
The bracken fern (Pteridium spp.) densely populates both open and woodland vegetation types around the globe. Bracken is toxic to livestock when consumed, and a group of potent illudane-type carcinogens have been identified, of which the compound ...
Ramwell, Carmel, Hansen, Hans Chr. Bruun, Clauson-Kaas, Frederik, Strobel, Bjarne W.   +3 more
core   +1 more source

H-ras activation is an early event in the ptaquiloside-induced carcinogenesis: Comparison of acute and chronic toxicity in rats

, 1998
Bracken fern (Pteridium spp.) produces cancer of the urinary bladder and oesophagus in grazing animals and is a suspected human carcinogen, The carcinogenic principle ptaquiloside (PT), when activated to a dienone (APT), forms DNA adducts which ...
Shahin, M., Prakash, A. S., Shahin, M, Worrall, S, Worrall, S., Smith, B. L., Seawright, A. A., Moore, M. R., Seawright, AA, Moore, MR, Smith, BL, Prakash, AS   +11 more
core   +1 more source

Simple synthesis of deuterated pterosines

, 2008
Ptaquiloside, a potent carcinogen present in bracken fern, a plant consumed by farm animals, may be detected in traces by converting it into the bromopterosine.
BONADIES, Francesco, COSTI, Roberta, Gaetano Miele, Rosario Nicoletti   +3 more
core   +1 more source

Residue potential of norsesquiterpene glycosides in tissues of cattle fed austral bracken (Pteridium esculentum)

, 2011
Austral bracken, Pteridium esculentum, occurs widely in Australian grazing lands and contains both the known carcinogen ptaquiloside and its hydroxy analogue, ptesculentoside, with untested carcinogenic potential. Calves were fed a diet containing 19% P.
Ian J. Brock, McKenzie, Ross A., Reichmann, Keith G., Blaney, Barry J., Keith G. Reichmann, Ross A. McKenzie, Brock, Ian J., Blaney, G.J., Reichmann, K.G., McKenzie, R.A., Fletcher, M.T., Fletcher, Mary T., Mary T. Fletcher, Barry J. Blaney, Brock, I.J.   +14 more
core   +1 more source

Characterization of toxin from cheilanthes fern and its effect on lymphocyte proliferation and DNA fragmentation

, 2001
1065-1067Thin layer chromatography of aqueous extract of whole Cheilanthes farinosa fern indicated the presence of ptaquiloside or ptaquiloside like compound, coinciding Rf values with that of Pterosin B standard.
Kataria, M, Somvanshi, R, Kumar, Satish, Saini, Mohini, Kumar, K Aswani   +4 more
core  

Selenium reverses Pteridium aquilinum-induced immunotoxic effects

, 2011
We have previously shown that bracken fern (Pteridium aquilinum) has immunomodulatory effects on mouse natural killer (NK) cells by reducing cytotoxicity. Alternatively, it has been demonstrated that selenium can enhance NK cell activity.
HARAGUCHI, M., GORNIAK, S. L., LATORRE, A. O., WYSOCKI JR., H. L., CANICEIRO, B. D., GARDNER, D. R.   +5 more
core   +1 more source

Milk Quality Parameters of Raw Milk in Ecuador between 2010 and 2020: A Systematic Literature Review and Meta-Analysis. [PDF]

Foods, 2022
Puga-Torres B, Aragón Vásquez E, Ron L, Álvarez V, Bonilla S, Guzmán A, Lara D, De la Torre D.   +7 more
europepmc   +1 more source

Ptaquiloside - Molecule of the Month February 1999 [Archived version]

, 2017
This is the Molecule of the Month entry for February 1999 about ptaquiloside. It is a pdf archive version of the HTML webpage.
openaire   +1 more source

Food-Borne Chemical Carcinogens and the Evidence for Human Cancer Risk. [PDF]

Foods, 2022
Kobets T, Smith BPC, Williams GM.
europepmc   +1 more source