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Palmatine

Palmatine is one of the main four protoberberine alkaloids (alongside Berberine) and is commonly found in plants that confer berberine, such as Berberis Aristata and Tinospora cordifolia.

Our evidence-based analysis on palmatine features 4 unique references to scientific papers.

Research analysis led by Kamal Patel.
All content reviewed by the Examine.com Team. Published: Aug 10, 2013
Last Updated:

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Scientific Research on Palmatine

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Palmatine, along with Berberine and a few others, are compounds known as 'Protoberberine alkaloids' found in various plant species.

Palmatine has been shown to enhance the efficacy of Nerve Growth Factor (NGF) in neurons, by increasing the output of neurite from PC12 neurons exposed to an NGF stimuli.[1] These effects were also seen with Berberine and coptisine, with berberine being more effective than coptisine being more effective than palmatine. Protoberberine compounds also suppress catecholamine synthesis in neurons[2][3] with palmatine having a lower IC50 value. These suppressive effects are more potent with palmatine, and at least in regards to dopamine are not seen with coptisine.[4] These effects were seen through direction inhibition of the tyrosine hydroxylase enzyme.