Planta Med. 71, 1036-1039 (2005). Preparative TLC of ent-18-hydroxytrachyloban-3beta-ol on silica gel with toluene - ethyl acetate - acetonitrile 5:2:3 and 40:9:1. Visualization by spraying with anisaldehyde - sulfuric acid reagent followed by heating at 105 °C for 5 min.

Planta Med. 72, 358-363 (2006). Preparative TLC of isorobustin, robustin, robustic acid, 4-hydroxy-3-(3’,4’-methylenedioxyphenyl)-5-methoxy-6-(3,3-dimethylallyl-2’’,2’’-dimethylpyrano-(5’’,6’’:8,7)coumarin, 4-hydroxy-3-(3’-hydroxy-4’-methoxyphenyl)-5-methoxy-6-(3,3-dimethylallyl-2’’,2’’-dimethylpyrano-(5’’,6’’:8,7)coumarin, 4-hydroxy-3-(3’-hydroxy-4’-methoxyphenyl)-5-methoxy-6-(3,3-dimethylallyl-2’’,2’’-dimethylpyrano-(5’’,6’’:6,7)coumarin, 4-hydroxy-3-[4’-O-(3’-hydroxy-4’-methoxyphenyl)-5-methoxy-6-(3,3-dimethylallylphenyl]-5-methoxy-2’’,2’’-dimethylpyrano-(5’’,6’’:6,7)coumarin on silica gel with n-hexane - ethyl acetate 7:3 and 3:1, n-hexane - dichloromethane - ethyl acetate 3:1:1 and 9:1:4. Detection under UV light at 254 or 366 nm, and by derivatization with an ethanolic solution of anisaldehyde - sulfuric acid - acetic acid 90:5:1, followed by heating.

Planta Med. 71, 1068-1070 (2005). Preparative TLC of 21,22-diangeloyl-24-hydroxy-R1-barrigenol on silica gel with chloroform - methanol 15:1. Detection under UV light at 254 nm.

Planta Med. 72, 187-189 (2006). Preparative TLC of shinpherocarpin, 7,4’-dihydroxy-2’,5’-dimethoxyisoflav-3-ene, and 7-hydroxy-4’-methoxy-3’-prenylisoflavone (5-deoxy-3’-prenylbiochanin A) on silica gel with hexane - dichloromethane 3:7 (multiple development). Detection under UV light at 254 nm.

J. Chinese Trad. Patent Med. (Zhongchengyao) 27(7), 864-867 (2005). TLC of extracts of Ruyi Jinhuang Tie ointment on silica gel with 1) n-butanol - glacial acetic acid - water 7:1:2; 2) petroleum ether (30 - 60 ºC) - ethyl formate - formic acid 15:5:1; 3) toluene - ethyl acetate - acetic acid 13:9:1; 4) chloroform - methanol - formic acid 96:3:1; 5) ethyl acetate - methanol - water 100:17:3 and toluene - ethyl acetate - formic acid water 20:10:1; 6) n-hexane - benzene - ethyl acetate 14:3:3. Detection under UV 365 nm and by spraying with 1 % FeCl3 solution in ethanol or with a solution of 5 % p-dimethylaminobenzaldehyde 10 % ethanolic H2SO4 followed by heating at 80 ºC. Identification of the fingerprint. Quantitative determination of berberine chloride by HPLC. The results of three batches of real life samples are given.

J. Chinese Trad. Patent Med. (Zhongchengyao), 29 (3), 386-389 (2007). TLC of Fengshi Gutong tincture on silica gel with 1) chloroform - methanol - ammonia 80:20:3; 2) n-hexane - ethyl acetate - 4:1; 3) benzene - ethyl acetate - methanol 6:4:1; 4) benzene - ethyl acetate - methanol - isopropanol - water 60:15:15:10:3. Detection 1) by spraying with reagent of FeCl3 - K3Fe(CN)6; 2) under UV 365 nm; 3) by spraying with 10 % H2SO4 in ethanol and heating at 105 °C.

J. Chinese Trad. Patent Med. (Zhongchengyao), 29 (2), 235-237 (2007) TLC of the extracts of the title Chinese traditional patent medicine on silica gel with 1) toluene - ethyl acetate 15:1; 2) chloroform - methanol - concentrated ammonia water 20:5:0.5. Detection 1) under UV 365 nm; 2) 5% nynhydrin solution and heating at 105 ºC till the spots visualized. Identification by standard comparison, also by GC fingerprint techniques. Quantification of strychnine by HPLC. Discussion of application of the procedures for the quality control of the medicine.

J. Planar Chromatogr. 20, 53-56 (2007). HPTLC of flavonoids (quercetin glucuronide, hyperoside, isoquercitrin, quercetin galloyl galactoside, quercitrin) on silica gel with ethyl acetate - formic acid - water 136:5:6 in a horizontal chamber. Densitometric quantitfication of flavonoids at 350 nm.