J. Chinese Trad. Patent Med. (Zhongchengyao) 25 (12), 970-974 (2004). TLC on silica gel with 1) ethyl acetate - methanol - water 6:1:3, 2) n-butanol - glacial acetic acid - water 4:1:5, 3) chloroform - methanol - water 28:10:1. Detection 1) by spraying with 1 % AICl3 and under UV 365 nm, 2) by spraying with 0.5 % ninhydrin in ethanol and heating at 105 ºC, 3) under UV 365 nm. Identification by fingerprint techniques. Quantitative determination of puerarin by HPLC.

Chinese J. Trad. Patent Med. (Zhongchengyao) 26 (5) 364-367, (2004). TLC of Bunao pill extracts on silica gel with 1) dichloromethane - methanol 10:1; 2) acetone - benzene - hydrochloric acid (3 mol/L) 80:30:1. Detection 1) by spraying with 5 % phosphomolybdic acid in ethanol and heating at 120 ºC ; 2) by spraying with hypo acetamide solution and heating at 80-100 ºC. Identification by fingerprint techniques. Quantification of tanshinone ll by HPLC with method validation.

Chinese J. Hosp. Pharm. (Zhongguo Yiyuan Yaoxue Zazhi) 24 (5), 315-316 (2004). TLC of matrine on silica gel with benzene - acetone - ethyl acetate - ammonia 10:15:20:1. Detection by spraying with 5 % potassium iodobismuthate and 0.05 mol/L sodium nitrite in ethanol. Identification by comparison with the standard. Quantification by densitometry at 500 nm. Validation of the method by investigation of the linearity range of the calibration curve (2.14-10.70 µg/spot, r=0.999), precision (RSD=1.71 %, n=5), reproducibility (RSD=2.22 %, n=5), recovery (99.58 %, RSD 1.01 %, n=5), and interferences.

Chinese J. Trad. Pat. Med. (Zhongchengyao) 27(2), 158-161 (2005). HPTLC on silica gel with 1) cyclo-hexane - ethyl acetate - methanol 4:5:1; 2) n-hexane - ethyl acetate 3:1; 3) n-hexane - ethyl acetate 9:1; 4) cyclohexane - ethyl acetate - diethylamine 45:20:3. Detection 1) under UV 365 nm; 2) by spraying with 10 % H2SO4 in ethanol and heating; 3) by spraying with diluted potassium iodobismuthate solution followed by spraying with sodium nitrite solution in ethanol. Identification by fingerprint technique. Semi-quantitative determination of aconitine by comparison with the standard. Quantification of strychnine by HPLC. The results for some real life samples are given.

Hosp. Pharm. (Zhongguo Yiyuan Yaoxue Zazhi) 25 (9), 894-896 (2005). TLC of the extracts on silica gel plates with acetone - ethanol - hydrochloric acid 10:6:1. Detection by spraying with potassium iodobismuthate solution. Identification by comparison with the standard. Quantification by densitometry at 510 nm. Validation of the method by investigation of linearity range (2.2 µg - 10.8 µg, r = 0.9994); precision (RSD = 1.05 %, n = 5); reproducibility of five time assay towards the same sample (RSD = 0.31 %); and standard addition recovery (98.1 %, RSD = 2.15 %, n = 5). The results for five real life samples are given.

J. Chinese Trad. Patent Med. (Zhongchengyao) 27 (6), 659-662 (2005). TLC of extracts of Yupingfeng oral liquid on silica gel with 1) cyclohexane - ethyl acetate 7:3. Detection by spraying with 5 % p-dimethylaminobenzaldehyde in H2SO4 - ethanol 1:9 and heating at 105 ºC until the spots are visualized. Identification by fingerprint techniques. Quantification of astragaloside by HPLC. The results for eight real life samples are given.

J. Chinese Trad. Patent Med. (Zhongchengyao) 29 (2), 217 0 221 (2007). TLC of the extracts of Anxinkang dropping pills on silica gel with 1) chloroform - methanol - ammonia 25:3:1; 2) petroleum ether (60 - 90 ºC) - ethyl acetate 20:1; 3) ethyl acetate - acetone - methanol 5:5:1. Detection 1) by spraying with 10 % potassium iodobismuthate solution; 2) by spraying with 5 % p-diethylaminobenzaldehyde in 10 % H2SO4 in ethanol, and heating at 105 °C for 10 min; 3) by spraying with 10 % H2SO4 in ethanol and heating at 105 °C. Identification by comparison with standard.

J.A.O.A.C. 67, 566-569 (1984). TLC of N4-gluco pyranosyl sulfamethazine and its degradation products on silica with ethyl acetate - methanol - water 4:1:0.1. Detection after hydrolysis with a modified Bratton-Marshall reagent.