ephedra gerardiana/tyrosine

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Simultaneous determination of Ephedra sinica and Citrus aurantium var. amara alkaloids by ion-pair chromatography.

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Ephedra sinica (Ma Huang) preparations have recently gained a lot of attention because of serious side effects associated with their prolonged consumption. Citrus aurantium var. amara is now used as an alternative, despite the fact that similar side effects are suspected. We have developed and

Characterization of aromatic aminotransferases from Ephedra sinica Stapf.

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Ephedra sinica Stapf (Ephedraceae) is a broom-like shrub cultivated in arid regions of China, Korea and Japan. This plant accumulates large amounts of the ephedrine alkaloids in its aerial tissues. These analogs of amphetamine mimic the actions of adrenaline and stimulate the sympathetic nervous

The Pharmacological Actions of Ephedrine Alkaloids-free Ephreda Herb Extract and Preparation for Clinical Application.

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Ephedra Herb is defined in the 17th edition of the Japanese Pharmacopoeia as the terrestrial stem of Ephedra sinica STAPF., Ephedra intermedia SCHRENK et C.A. MEYER, or Ephedra equisetina BUNGE (Ephedraceae) which contains more than 0.7% ephedrine alkaloids (ephedrine and pseudoephedrine). The

Inhibitory effect of ephedrannins A and B from roots of Ephedra sinica STAPF on melanogenesis.

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BACKGROUND Melanogenesis, a process producing the pigment melanin in human skin, eyes and hair, is a major physiological response against various environmental stresses, in particular exposure to ultraviolet radiation, and its pathway is regulated by a key enzyme, tyrosinase. In this study, we

Mao (Ephedra sinica Stapf) protects against D-galactosamine and lipopolysaccharide-induced hepatic failure.

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Mao is one component of various traditional herbal medicines. We examined the effects of Mao on an acute liver failure model treated with d-galactosamine (GalN) and lipopolysaccharide (LPS). The lethality of mice administrated Mao with GalN/LPS was significantly decreased compared with that in mice

Ephedrine alkaloids-free Ephedra Herb extract: a safer alternative to ephedra with comparable analgesic, anticancer, and anti-influenza activities.

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It is generally accepted that the primary pharmacological activities and adverse effects of Ephedra Herb are caused by ephedrine alkaloids. Interestingly, our research shows that Ephedra Herb also has ephedrine alkaloid-independent pharmacological actions, such as c-MET inhibitory activity. This

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