Antagonists

Caffeine
Catalog No: CFN99004

Caffeine has anxiolytic-like activity, can have both positive and negative effects on anxiety. It inhibits glucose transport by binding at the GLUT1 nucleotide-binding site.
Galanolactone
Catalog No: CFN99258

Galanolactone has anti-5-HT effect, a diterpenoid isolated from ginger, is related to antagonism of 5-HT3 receptors, it has inhibit nitric oxide production with IC(50) values ranging from 5.5 to 28.5 μM. Galanolactone exerts anti-obesity effect through down regulation of adipogenic transcription factors and adipogenic marker genes.Galanolactone also shows cytotoxic activity .
alpha-Yohimbine
Catalog No: CFN99400

Alpha-Yohimbine is a 5-HT1A receptor agonist, it is strong selective 2-adrenoceptor antagonist. Alpha-Yohimbine possess aphrodisiac effect.
Dendrobine
Catalog No: CFN99133

Dendrobine is an antagonist of β-alanine, taurine and of presynaptic inhibition in the frog spinal cord. Dendrobine has antiviral, and antitumor activities; it can inhibit the growth of A549 cells through inducing apoptosis, which is partially dependent on mitochondrial-mediated pathway; dendrobine treatment decreased mitochondrial membrane potential (MMP), improved the expression of Bax and inhibited the expression of Bcl-2.
Yohimbine Hydrochloride
Catalog No: CFN99511

Yohimbine hydrochloride is an alpha 2-adrenoreceptor antagonist, blocking the pre- and postsynaptic alpha-2 adrenoreceptors and causing an increased release of noradrenaline and dopamine.It is an antagonist to xylazine hydrochloride-ketamine hydrochloride immobilization of white-tailed deer. Yohimbine has been used as a mydriatic and in the treatment of impotence. It is also alleged to be an aphrodisiac.