The pharmacological actions of Uncaria alkaloids, rhynchophylline and isorhynchophylline extracted from Uncaria rhynchophylla Miq Jacks were reviewed. The alkaloids mainly act on cardiovascular system and central nervous system including the hypotension, brachycardia, antiarrhythmia, and protection
Uncaria rhynchophylla is one of the major components included in Traditional Chinese Medicine prescriptions for hypertensive treatment. Previous studies have suggested that U. rhynchophylla might contain vasodilation-mediating active compounds, especially indole alkaloids. Hence, this study was
Villocarines A-D (1-4), four new indole alkaloids have been isolated from the leaves of Uncaria villosa (Rubiaceae) and their structures were elucidated by 2D NMR methods and chemical correlations. Villocarine A (1) showed vasorelaxation activity against rat aortic ring and showed inhibition effect
Hypertension, one of the famous "silent killers" that can attack people at any age, is a current hot topic among scientists due to multiple syndromic behavior and concomitant diseases. The new scientific-based Traditional Chinese Medicine (TCM) formulation approach was used in a previous study by
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