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. 2018 Nov 15;9:1304. doi: 10.3389/fphar.2018.01304

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Copyright © 2018 Huang, Yao, Leung, Wang, Kong, Wang, Dong, Chen and Tsim.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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HPLC profiles of herbal extracts from the 15 collected herbs. The fingerprints were obtained with an Agilent HPLC 1200 series system (Agilent, Waldbronn, Germany) and a Waters Symmetry C18 column (4.5 mm × 250 mm, 5 μm i.d.). The mobile phase was composed of acetonitrile and water, and the wavelength of UV detector was set to 254 nm with full spectral scanning from 190 to 400 nm. The extracting solvents are indicated. The extracts from 3 batches of herbs were subjected to analysis, a representative profile was shown. a, Codonopsis Radix; b, Atractylodis Macrocephalae Rhizoma; c, Angelicae Sinensis Radix; d, Astragali Radix; e, Jujubae Fructus; f, Ginseng Radix; g, Amomi Fructus; h, Aucklandiae Radix; i, Areca Catechu; j, Dioscoreae Ahizoma; k, Lablab Semen Album; l, Poria Cocos; m, Nelumbinis Semen; n, Coicis Semen; o, Crataegi Fructus.