Amostras de Ephedra tweediana Fisch & C.A. Meyer, coletadas de populações nativas da Reserva Biológica do Lami José Lutzenberger (Porto Alegre, RS, Brasil), e amostras de Ephedra triandra Tul., obtidas de plantas cultivadas em Porto Alegre/RS, foram extraídas com acetona, derivatizadas com ciclohexanona e analisadas por CG/EM. Para verifi cação da efi ciência da metodologia, além das amostras de Ephedra tweediana e E. triandra, foram analisadas cinco amostras comerciais de Ephedra, de procedências distintas, cedidas por farmácias de manipulação locais. Os resultados encontrados indicam a ausência de efedrinas em Ephedra tweediana e E. triandra e presença de efedrina e/ou pseudoefedrina nas amostras comerciais.Samples of Ephedra tweediana, c...
A method for accurate determination of ephedrine (E) alkaloids in natural health products (NHP) is d...
Growing worldwide, the genus Ephedra (family Ephedraceae) had a medicinal, ecological, and economic ...
this article describes the properties of ephedrine alkaloids isolated from plants of the ephedra fam...
Amostras de Ephedra tweediana Fisch & C.A. Meyer, coletadas de populações nativas da Reserva Biológi...
Ephedra alata is an important Egyptian medicinal plant with enormous applications in pharmaceutical ...
Abstract: The aerial part of Ephedra foliata Family Ephedraceae have long been used in traditi...
In the present paper, a fast and economical HPLC method [on a Phenomenex Polar-RP column with a solu...
The preliminary phytochemical analysis of Ephedra alata indicated the presence of cardiac glycoside...
金沢大学医薬保健研究域薬学系Wild Ephedra plants growing near the Tibetan border of Yunnan and Sichuan Provinces an...
Wild Ephedra plants growing near the Tibetan border of Yunnan and Sichuan Provinces and north-centra...
Se realizó un estudio fitoquímico en seis especies argentinas de Ephedra acerca de la distribución e...
El propósito de este trabajo fue estudiar la presencia de taninos condensados (proantocianidinas) e...
In this study a pentafluorophenylpropyl (PFPP) stationary phase was applied to the fast and reliable...
<div><p><i>Ephedra</i> is a dioecious shrub that belongs to the Ephedraceae family of gymnosperms. A...
Progression of the desertification in northern China has been causing damage to wild Ephedra plants ...
A method for accurate determination of ephedrine (E) alkaloids in natural health products (NHP) is d...
Growing worldwide, the genus Ephedra (family Ephedraceae) had a medicinal, ecological, and economic ...
this article describes the properties of ephedrine alkaloids isolated from plants of the ephedra fam...
Amostras de Ephedra tweediana Fisch & C.A. Meyer, coletadas de populações nativas da Reserva Biológi...
Ephedra alata is an important Egyptian medicinal plant with enormous applications in pharmaceutical ...
Abstract: The aerial part of Ephedra foliata Family Ephedraceae have long been used in traditi...
In the present paper, a fast and economical HPLC method [on a Phenomenex Polar-RP column with a solu...
The preliminary phytochemical analysis of Ephedra alata indicated the presence of cardiac glycoside...
金沢大学医薬保健研究域薬学系Wild Ephedra plants growing near the Tibetan border of Yunnan and Sichuan Provinces an...
Wild Ephedra plants growing near the Tibetan border of Yunnan and Sichuan Provinces and north-centra...
Se realizó un estudio fitoquímico en seis especies argentinas de Ephedra acerca de la distribución e...
El propósito de este trabajo fue estudiar la presencia de taninos condensados (proantocianidinas) e...
In this study a pentafluorophenylpropyl (PFPP) stationary phase was applied to the fast and reliable...
<div><p><i>Ephedra</i> is a dioecious shrub that belongs to the Ephedraceae family of gymnosperms. A...
Progression of the desertification in northern China has been causing damage to wild Ephedra plants ...
A method for accurate determination of ephedrine (E) alkaloids in natural health products (NHP) is d...
Growing worldwide, the genus Ephedra (family Ephedraceae) had a medicinal, ecological, and economic ...
this article describes the properties of ephedrine alkaloids isolated from plants of the ephedra fam...