Chinese J. of Clin. Res. on Trad. Chinese Med. 4 (9), 34-35 (2012). Langchuang pills are a herbal TCM preparation for clearing heat, removing toxicity and invigorating the circulation of blood. For quality control, TLC of the extracts of the preparations on silica gel 1) for the root of red-rooted salvia, with chloroform – benzene 5:1, detection by viewing in daylight; 2) for Radices Rehmanniae, with chloroform – methanol 8:1, detection by spraying with a saturated solution of 2,4-dinitrophenylhydrazine in ethanol and viewing in daylight; 3) for the rhizome of Chinese Goldthread, with benzene – chloroform – ammonia 5:3:1, detection at UV 366 nm.

Chinese J. of Today’s Pharm. 22 (11), 690-692 (2012). Qufengjiangu tablets are a herbal TCM for the treatment of waist and knee pain and rheumatic arthralgia. For quality control, TLC on silica gel 1) for Radix Angelicae Pubescentis, with cyclohexane – ethyl acetate – formic acid – glacial acetic acid 70:20:2:3, detection under UV 366 nm; 2) for Radix Notoginseng and Radix Dipsaci, with n-butanol – ethyl acetate – 10 % diluted ammonia 4:1:5, detection by spraying with 10 % sulfuric acid in ethanol and heating at 105 °C, viewing in daylight; 3) Herba Taxilli, with toluene saturated with water – ethyl formate – formic acid 5:4:1, detection by spraying with 5 % aluminium chloride in ethanol and heating at 105 °C, viewing under UV 366 nm. Quantification of osthole by HPLC.

J. of China Pharm. 21 (14), 57-58 (2012). Weikang granule is a herbal TCM preparation for curing chronic atrophic gastritis. For quality control, TLC on silica gel 1) for Fructus Aurantii with the upper phase of ethyl acetate – methanol – water 6:3: 1, detection by spraying with 1 % aluminium chloride in ethanol and viewing under UV 366 nm; 2) for Rhizoma Corydalis with cyclohexane – acetone 7:3, detection by spraying with aqueous potassium iodobismuthate 5 % – HCl 200:1 and viewing in daylight; 3) for Coptis chinensis with n-butanol – glacial acetic acid – water 7:1:2, detection under UV 366 nm.

Chinese J. of Lishizhen Trad. Med. & Pharm. 22 (8), 2001-2002 (2011). Monkshood and Radix Aconiti agrestis, as traditional Chinese herbal drugs, are usually processed into small pieces ready for decoction and are clinically effective for relieving rheumatic pains. However, in the market some processed drugs were found to be mixed with counterfeits. Presentation of an assay method to investigate the situation of adulteration of these drugs. TLC of the extracts of the drugs 1) for alkaloids, on silica gel with n-hexane – ethyl acetate – methanol 32:18:5 with chamber saturation with ammonia vapors for 20 min, detection by spraying with 5 % potassium iodobismuthate solution. Identification a) by fingerprint comparison with the individual standard component drug; b) by microscopy distinguishing the cluster crystal of calcium oxalate consisted in the thin-wall cells of the drug; 2) for peoniflorin, on silica gel with chloroform – ethyl acetate – methanol – formic acid 40:5:10:1, detection by spraying with 5 % vanillin in sulfuric acid – ethanol 1:4 and heating at 105 °C.

Chinese J. of Northern Pharm. 10 (2), 2-3 (2013). Xiaoer Danzhen granules are a herbal TCM for treating children with focal accumulation of heat, aphthae, hot urination, chicken pox, influenza fever, etc. For quality control, TLC on silica gel 1) for Radix Scutellariae and the standard astragaloside A, with n-butanone – glacial acetic acid – water 7:1:2, detection by spraying with 2 % ferric chloride in 2N HCl – water 1:100, and heating at 105 °C, viewing in daylight; 2) for Fructus Gardeniae and the standard gardenoside, with the lower phase of chloroform – methanol – water 13:7:2, detection by spraying with 10 % sulfuric acid in ethanol, and heating at 105 °C, viewing in daylight; 3) for Radix Angelicae Sinensis, with n-hexane – ethyl acetate – formic acid 45:5:1, detection under UV 366 nm.

J. Strait Pharm. 24 (11), 16-18 (2012). Yangyin Qingfei compound oral liquid is a herbal TCM preparation for treating cough, sore throat, tonsillitis, etc. For quality control, TLC on silica gel 1) for Rehmannia, with chloroform – methanol – water 14:6:1, detection by immersion into vanillin – sulfuric acid – acetic acid 1:10:1000 and heating at 105 °C, viewing in daylight; 2) for Radix Ophiopogonis, with toluene – methanol – glacial acetic acid 800:50:1, detection under UV 254 nm. Quantification of catalpol by HPLC.

J. of Inform. on Trad. Chinese Med. 30 (3), 61-63 (2013). Naodesheng Koufuye oral liquid is a herbal TCM preparation for treatment of cerebral arteriosclerosis and ischemic stroke. For quality control, TLC on silica gel 1) for Flos Carthami, with cyclohexane – ethyl acetate 11:6, detection by exposure to ammonia vapors and viewing under UV 366 nm; 2) for Radix Puerariae and the standard puerarin, with chloroform – ethyl acetate – methanol – water 15:40:22:10, detection under UV 366 nm; 3) for Rhizoma Ligustici Chuanxiong and the standard ferulic acid, with benzene – chloroform – methanol 2:2:1, detection under UV 254 nm. Quantification of ginsenoside Rb, ginsenoside Rg and notoginsenoside R by HPLC.

J. of Modern Trad. Chinese Med. 15 (4), 320-323 (2013). Leifengshi Jiaonang capsules are a herbal TCM preparation for the treatment of rheumatism, ankylosing spondylitis, and lupus erythematosus. For quality control, TLC on silica gel 1) for Astragalus membranaceus (Fisch.) Bunge and the standard astragaloside A, with chloroform – methanol – water 13:7:2, detection by spraying with 10 % sulfuric acid in ethanol, heating at 105 °C and viewing in daylight and under UV 366 nm; 2) for Angelica sinensis, with petroleum ether (60-90 °C ) – diethyl ether – acetic acid 20:20:1, detection under UV 366 nm 3) for Epimedium sagittatum, with ethyl acetate – formic acid – butanone – water 10:1:1:1, detection under UV 366 nm. Quantification of ferulic acid by HPLC.