(n.) An alkaloid obtained, as a bitter, yellow substance, from the root of the barberry, gold thread, and other plants.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). berberine. Retrieved October 1, 2026, from http://smartdefine.org/berberine/definitions/1979625 |
| Chicago | Webster's. 2011. "berberine" http://smartdefine.org/berberine/definitions/1979625 (accessed October 1, 2026). |
| Harvard | Webster's 2011, berberine, Smart Define, viewed 1 October, 2026, <http://smartdefine.org/berberine/definitions/1979625>. |
| MLA | Webster's. "berberine" 27 May 2011. Web. 1 October 2026. <http://smartdefine.org/berberine/definitions/1979625> |