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Yohimbine (/ j oʊ ˈ h ɪ m b iː n /), [2] also known as quebrachine, is an indole alkaloid derived from the bark of the African tree Pausinystalia johimbe; also from the bark of the unrelated South American tree Aspidosperma quebracho-blanco. Yohimbine is an α 2-adrenergic receptor antagonist, and has been used in a variety of research ...
[2] [3] Yohimbe bark and extract are used in manufactured dietary supplements, but there is no scientific evidence they have any effect, and yohimbine levels may vary substantially among supplement products. [2] [3] Although proposed as a potential treatment for erectile dysfunction in humans, there are concerns about its safety or effectiveness.
Ajmalicine, also known as δ-yohimbine or raubasine, is an antihypertensive drug used in the treatment of high blood pressure. [1] It has been marketed under numerous brand names including Card-Lamuran , Circolene , Cristanyl , Duxil , Duxor , Hydroxysarpon , Iskedyl , Isosarpan , Isquebral , Lamuran , Melanex , Raunatin , Saltucin Co ...
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The Centers for Disease Control and Prevention updated its COVID-19 vaccine recommendations for those over 65 and people who are immunocompromised. ... for those over 65 years old and/or ...
As a San Antonio, Texas-based swimming coach, 65-year-old Ingraham continues to crush her personal goals. She says that at 63, she swam in a four-day staged open water swim, without a wetsuit, in ...
Corynanthine acts as an α 1-adrenergic and α 2-adrenergic receptor antagonist with approximately 10-fold selectivity for the former site over the latter. [3] [4] This is in contrast to yohimbine and rauwolscine which have around 30-fold higher affinity for the α 2-adrenergic receptor over the α 1-adrenergic receptor.
Akuammine (vincamajoridine [2]) is an indole alkaloid.It is the most abundant alkaloid found in the seeds from the tree Picralima nitida, [3] commonly known as akuamma, comprising 0.56% of the dried powder.