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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
biochemistry, genetics and molecular biology
Provisional biopharmaceutical classification of some common herbs used in western medicine
Molecular Pharmaceutics, Volume 9, No. 4, Year 2012
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Description
The aim of this study was to classify some markers of common herbs used in Western medicine according to the Biopharmaceutical Classification System (BCS). The BCS is a scientific approach to classify drug substances based upon their intestinal permeability and their solubility, at the highest single dose used, within the physiologically relevant pH ranges. Known marker components of twelve herbs were chosen from the USP Dietary Supplement Compendium Monographs. Different BCS parameters such as intestinal permeability (P eff) and solubility (C s) were predicted using the ADMET Predictor, which is a software program to estimate biopharmaceutical relevant molecular descriptors. The dose number (D 0) was calculated when information from the literature was available to identify an upper dose for individual markers. In these cases the herbs were classified according to the traditional BCS parameters using P eff and D 0. When no upper dose could be determined, then the amount of a marker that is just soluble in 250 mL of water was calculated. This value, M x, defines when a marker is changing from highly soluble to poorly soluble according to BCS criteria. This biopharmaceutically relevant value can be a useful tool for marker selection. The present study showed that a provisional BCS classification of herbs is possible but some special considerations need to be included into the classification strategy. The BCS classification can be used to choose appropriate quality control tests for products containing these markers. A provisional BCS classification of twelve common herbs and their 35 marker compounds is presented. © 2012 American Chemical Society.
Authors & Co-Authors
Waldmann, Sarah
Canada, Edmonton
University of Alberta
Almukainzi, May
Canada, Edmonton
University of Alberta
Bou-Chacra, Nadia Araci
Brazil, Sao Paulo
Universidade de São Paulo
Amidon, Gordon Lewis
United States, Ann Arbor
University of Michigan, Ann Arbor
Lee, Beom Jin
South Korea, Chuncheon
Kangwon National University
South Korea, Suwon
Ajou University
Feng, Jianfang
China, Shanghai
Shanghai University of Traditional Chinese Medicine
Kanfer, Isadore
South Africa, Grahamstown
Rhodes University
Zuo, Zhong
Hong Kong, Hong Kong
Chinese University of Hong Kong
Wei, Hai
China, Shanghai
Shanghai University of Traditional Chinese Medicine
Bolger, Michael B.
United States, Lancaster
Simulations Plus Inc
Löbenberg, Raimar
Canada, Edmonton
University of Alberta
Statistics
Citations: 46
Authors: 11
Affiliations: 9
Identifiers
Doi:
10.1021/mp200162b
ISSN:
15438384
e-ISSN:
15438392
Research Areas
Environmental
Health System And Policy