pterosin/pteridium esculentum

Bağlantı panoya kaydedilir

NesneKlinik denemelerPatentler

Sıralama türünü seçin

15 Sonuçlar

Fast LC-MS quantification of ptesculentoside, caudatoside, ptaquiloside and corresponding pterosins in bracken ferns.

Sadece kayıtlı kullanıcılar makaleleri çevirebilir

Giriş yapmak kayıt olmak

Ptaquiloside (PTA) is an illudane glycoside partly responsible for the carcinogenicity of bracken ferns (Pteridium sp.). The PTA analogues ptesculentoside (PTE) and caudatoside (CAU) have similar biochemical reactivity. However, both compounds are highly under-investigated due to the lack of

Dissipation of pterosin B in acid soils - Tracking the fate of the bracken fern carcinogen ptaquiloside.

Sadece kayıtlı kullanıcılar makaleleri çevirebilir

Giriş yapmak kayıt olmak

Bracken ferns (Pteridium spp.) are well-known for their carcinogenic properties, which are ascribed to the content of ptaquiloside and ptaquiloside-like substances. Ptaquiloside leach from the ferns and may cause contamination of drinking water. Pterosin B is formed by hydrolysis of ptaquiloside. In

Influence of bracken fern (Pteridium caudatum L. Maxon) pre-treatment on extraction yield of illudane glycosides and pterosins.

Sadece kayıtlı kullanıcılar makaleleri çevirebilir

Giriş yapmak kayıt olmak

BACKGROUND Bracken (Pteridium spp) illudane glycosidess are labile biologically active terpenoids that undergo decomposition in mild alkali or acid, heat and enzymatic reactions. Hypothetically, quantitation of these weakly chromophoric carcinogens may be challenged by plant sample preparation

Chemical and toxicological studies on bracken fern, Pteridium aquilinum var. latiusculum. VIII. The inability of bracken extracts containing pterosins to cause cattle bracken poisoning.

Sadece kayıtlı kullanıcılar makaleleri çevirebilir

Giriş yapmak kayıt olmak

Methanol extracts of bracken frond and rhizomes prepared using a metallic extraction vessel, were proved incapable of producing bracken poisoning in calves. Nevertheless, they contained appreciable quantities of pterosins and pterosides. Thus the poisonous principle(s) in bracken responsible for the

Chemical and toxicological studies on bracken fern, Pteridium aquilinum var. latiusculum II. Structures of pterosins, sesquiterpenes having 1-indanone skeleton.

Sadece kayıtlı kullanıcılar makaleleri çevirebilir

Giriş yapmak kayıt olmak

Norsesquiterpene glycosides in bracken ferns (Pteridium esculentum and Pteridium aquilinum subsp. wightianum) from Eastern Australia: reassessed poisoning risk to animals.

Sadece kayıtlı kullanıcılar makaleleri çevirebilir

Giriş yapmak kayıt olmak

Austral bracken Pteridium esculentum contains three unstable norsesquiterpene glycosides: ptaquiloside, ptesculentoside, and caudatoside, in variable proportions. The concentration of each of the glycosides was determined in this study as their respective degradation products, pterosin B, pterosin G

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

Sadece kayıtlı kullanıcılar makaleleri çevirebilir

Giriş yapmak kayıt olmak

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

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

Sadece kayıtlı kullanıcılar makaleleri çevirebilir

Giriş yapmak kayıt olmak

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. esculentum that delivered 1.8 mg of

Quantification of ptaquiloside and pterosin B in soil and groundwater using liquid chromatography-tandem mass spectrometry (LC-MS/MS).

Sadece kayıtlı kullanıcılar makaleleri çevirebilir

Giriş yapmak kayıt olmak

The carcinogenic compound ptaquiloside is produced by bracken fern (Pteridium aquilinum L.). Ptaquiloside can enter the soil matrix and potentially leach to the aquatic environment, and methods for characterizing ptaquiloside content and fate in soil and groundwater are needed. A sensitive detection

Determination of ptaquiloside and pterosin B derived from bracken (Pteridium aquilinum) in cattle plasma, urine and milk.

Sadece kayıtlı kullanıcılar makaleleri çevirebilir

Giriş yapmak kayıt olmak

Ptaquiloside (PTA) is a toxin from bracken fern (Pteridium sp.) with genotoxic effects. Hydrolysis of PTA leads to the non-toxic and aromatised indanone, pterosin B (PTB). Here we present a sensitive, fast, simple and direct method, using SPE cartridges to clean and pre-concentrate PTA and PTB in

Carcinogenic effects of ptaquiloside in bracken fern and related compounds.

Sadece kayıtlı kullanıcılar makaleleri çevirebilir

Giriş yapmak kayıt olmak

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

A new facile synthesis of d₄-pterosin B and d₄-bromopterosin, deuterated analogues of ptaquiloside.

Sadece kayıtlı kullanıcılar makaleleri çevirebilir

Giriş yapmak kayıt olmak

Ptaquiloside (Pta) is a potent carcinogen present in bracken fern and in soil matrices, that can potentially leach to the aquatic environment. More recently its presence in the milk of different farm animals has been reported. Pterosin B (Ptb) and bromopterosin (BrPt) represent the most convenient

Isolation of 5-hydroxypyrrolidin-2-one and other constituents from the young fronds of Pteridium aquilinum.

Sadece kayıtlı kullanıcılar makaleleri çevirebilir

Giriş yapmak kayıt olmak

5-Hydroxypyrrolidin-2-one, along with (2R)-pterosin B, shikimic acid, kaempferol-3-O-beta-D-glucopyranoside, transtiliroside, beta-sitosterol, daucosterol, glycerol 1-stearate and benzoic acid, were isolated from the young fronds of the bracken fern Pteridium aquilinum. 5-Hydroxypyrrolidin-2-one,

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

Sadece kayıtlı kullanıcılar makaleleri çevirebilir

Giriş yapmak kayıt olmak

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

Hemorrhagic diathesis in cattle due to consumption of Adiantopsis chlorophylla (Swartz) Fée (Pteridaceae)

Sadece kayıtlı kullanıcılar makaleleri çevirebilir

Giriş yapmak kayıt olmak

An outbreak of acute febrile syndrome associated with coagulopathy and severe pancytopenia occurred in cattle grazing in paddocks with high infestation by Adiantopsis chlorophylla. The administration of the plant to a calf reproduced the same signs and lesions seen in spontaneous cases.

Facebook sayfamıza katılın

Herbal & Natural Medicine

Bilim tarafından desteklenen en eksiksiz şifalı otlar veritabanı

55 dilde çalışır
Bilim destekli bitkisel kürler
Görüntüye göre bitki tanıma
Etkileşimli GPS haritası - bölgedeki bitkileri etiketleyin (yakında)
Aramanızla ilgili bilimsel yayınları okuyun
Şifalı bitkileri etkilerine göre arayın
İlgi alanlarınızı düzenleyin ve haber araştırmaları, klinik denemeler ve patentlerle güncel kalın

Bir belirti veya hastalık yazın ve yardımcı olabilecek bitkiler hakkında bilgi edinin, bir bitki yazın ve karşı kullanıldığı hastalıkları ve semptomları görün.
* Tüm bilgiler yayınlanmış bilimsel araştırmalara dayanmaktadır