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. 2011 Feb 1;16(2):1336–1348. doi: 10.3390/molecules16021336

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© 2011 by the authors;

licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution license (http://creativecommons.org/licenses/by/3.0/).

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HPLC elution profiles of five prenylflavonoids and their intestinal metabolites as following sequence: duodenum, jejunum, ileum and colon. A(baohuoside I), B(icariin), C(epimedin A), D(epimedin B), E(epimedin C). Testosterone was used as an internal standard (IS).

HPLC elution profiles of five prenylflavonoids and their intestinal metabolites as following sequence: duodenum, jejunum, ileum and colon. A(baohuoside I), B(icariin), C(epimedin A), D(epimedin B), E(epimedin C). Testosterone was used as an internal standard (IS).