Today we are making tincture of Mahonia aquifolium or Oregon Grape Root.
Constituents of Mahonia aquifolium include berberine, columbamine, hydrastine, jatrorrhizine, oxyacanthine, tannins.
To ensure a high quality extract Mahonia aquifolium root has to be ground very finely and then (with the appropriate alcohol concentration) undergo slow percolation.
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