Determination of hamamelitannin, catechins and gallic acid in witch hazel bark, twig and leaf by HPLC

Author: Wang H.   Provan G.J.   Helliwell K.  

Publisher: Elsevier

ISSN: 0731-7085

Source: Journal of Pharmaceutical and Biomedical Analysis, Vol.33, Iss.4, 2003-11, pp. : 539-544

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Abstract