J. Planar Chromatogr. 24, 72-76 (2011). HPTLC of sennoside A and B and gallic acid on silica gel with toluene - ethy acetate - formic acid - methanol 8:8:4:5. Quantitative analysis by densitometry at 270 nm. Linearity was between 114-427 ng/zone for sennosides A and B and 100-375 ng/zone for gallic acid. For sennosides A and B and gallic acid, hRf values were 26, 21 and 80, correlation coefficients were 0.95, 0.998, and 0.997, method precisions (%RSD, n = 6) were 1.1, 1.1 and 0.9 %, recoveries were 96.3-97.2 %, 98.1-100.8 % and 97.1-98.1 %, respectively. LOD andLOQ was 30 and 25 ng/zone for sennoside A, 20 and 99 ng/zone for sennoside B, and 66 and 82 ng/zone for gallic acid.

J. of Integrated Modern Trad. Chinese & Western Med. 20(13), 1634-1636 (2011). TLC of the extracts of Yinlishuang lotion on silica gel 1) for Phellodendron with chloroform - methanol - ammonia 50:10:1, detection under UV 365 nm; 2) for radix Sophorae flavescentis, with toluene - acetone - methanol 8:3:1, detection by spraying with diluted potassium iodobismuthate; 3) for fructus Cnidii, with toluene - ethyl acetate - n-hexane 3:3:2, detection under UV 365 nm. Identification by comparison of the fingerprint with the standards of the individual drug components.

J. of Qilu Med. & Pharm. 31 (2), 75-78 (2012). Pudilan Xiaojan oral liquid is a herbal TCM preparation effective in clearing heat and removing toxicity, because of its antiinflammatory activity it is used to cure swelling caused by furuncles, pharyngitis, lymphadenitis and tonsillitis. Dandelion is the key component drug of the preparation. Analysis of the components of dandelion in the preparation by TLC on silica gel with chloroform – methanol – formic acid 18:2:1, detection under UV 366 nm.

J. of Shandong Inst. of Commerce & Vocational Technol. 12 (1), 93-94 (2012). Description of a procedure for determination of picroside-l in Picrorhiza scrophulariiflora Pennell by TLC of its root extracts on silica gel with chloroform – methanol – ethyl acetate 7:3:5. Detection at UV 254 nm. Quantification of picroside-l by densitometry in absorbance mode at 282 nm. Validation of the procedure by investigation of the linearity range (0.6-3.0 µg/zone, R = 0.999, n = 5); of the stability (%RSD = 1.5, n = 5 in 90 min); of the precision (%RSD = 0.6, n = 5 within plate); and of the standard addition recovery (98.4 %, %RSD = 1.9, n = 5).

Chinese J. of Trad. Chinese Med. for Emerg. 21 (5), 738-739 (2012). Ningxin pills are a TCM preparation with special efficiency on promoting blood circulation, removing blood stasis, relieving pain and are prescribed clinically to treat coronary disease and angina pectoris. For quality control, TLC of the extracts on silica gel 1) for Panax Notoginseng (Burk.) F.H.Chen, Radix Ginseng rubra, with the lower phase of chloroform – ethyl acetate – methanol – water 15:40:22:10, detection by spraying with 10 % sulfuric acid in ethanol and heating at 105 °C, viewing in daylight; 2) for Rhizoma Corydalis, with toluene – acetone 9:2, detection by exposure to iodine vapors and evaluation at UV 366 nm; 3) for borneol, with petroleum ether (30-60 ºC) – ethyl acetate – chloroform 11:1:3, detection by spraying with 1 % vanillin in sulfuric acid – ethanol 1:4 and heating at 105 °C, viewing in daylight.

J. of China Pharm. 21 (4), 30-31 (2012). Shenqixinjikang compound oral liquid, as a TCM preparation is specially effective for invigorating the circulation of blood, inducing resuscitation, relieving pain, and is prescribed clinically to cure cardiopalmus and angina pectoris. For quality control, TLC of the extracts of the medicine 1) for Rhizoma Polygoni Cuspidati, on silica gel with petroleum ether ( 60-90 ºC) – formyl acetate – formic acid 15:5:1, detection at UV 366 nm; 2) for Leguminosae, on silica gel with n-butanol – acetic acid – water 5:1:4, detection by spraying with 10 % sulfuric acid in ethanol and heating at 105 °C for 5 min followed by evaluation under daylight or UV 366 nm; 3) for Rehmannia, on silica gel with chloroform – methanol – water 14:6:1, detection by spraying with 3 % vanillin in ethanol – sulfuric acid 100:1 and heating at 105 °C followed by evaluation under daylight.

Chinese J. of Lishizhen Trad. Med. & Pharm. 22 (5), 1045-1048 (2011). Dieda Zhitong microemulsion spray is a traditional Chinese medicine effective in invigorate the circulation of blood, relieving blood stagnate, subsidence of a swelling, stop bleeding and relieving pain caused by injuries from falls, fractures, contusions, strains and traumatic injuries. For quality control, TLC of the extracts of the medicine 1) for Cnidium monnieri L. Cuss and Doubleteeth Pubescent Angelica root, on silica gel with petroleum ether (30-60 ºC) – ethyl acetate 9:1, detection by spraying with 10 % sulfuric acid in ethanol and heating at 105 °C until the zones were visible, viewing under UV 366 nm; 2) for Ligusticum wallichii and Rheum officinale on silica gel with petroleum ether (30-60 ºC) – ethyl acetate 9:1, detection under UV 254 nm; 3) for Oleum Ocimi gratissimi on silica gel with cyclohexane – ethyl acetate 4:1, detection by spraying with 10 % ferric chloride in ethanol and heating at 105 °C until the zones were visible; 4) for Oleum Anisi stellati on silica gel with petroleum ether (60-90 ºC) – ethyl acetate 19:1, detection by spraying with 5 % vanillin in ethanol and heating at 105 °C until the zones were visible; 5) for Oleum Eucalypti on silica gel with cyclohexane – diethyl ether - ethyl acetate 16:3:1, detection by spraying with 5 % vanillin in ethanol and heating at 105 °C until the zones were visible.

Chinese J. of Lishizhen Trad. Med. & Pharm. 22 (3), 677-680 (2011). Chinese Goldthread is a traditional Chinese medicinal herbal drug, the dry rhizome of Coptis chinensis Franch, Coptis dehoidea C.Y. Cheng et Hsiao and Coptis teeta Wal. is widely used as key component in preparations effective for clearing heat, eliminating dampness, purging intense heat and relieve internal heat or fever. Presentation of a TLC method for simultaneous determination of five varieties of alkaloids in Chinese Goldthread rhizome and identification of the characteristic component of Evodia rutaecarpa (Juss.) in the preparation Yuhuanglian. TLC of the extracts of Chinese Goldthread rhizome on silica gel with cyclohexane - ethyl acetate – isopropanol – methanol – water – triethylamine 6:7:2:3:1:2 after saturation for 20 min, detection under UV 366 nm, identification of jatrorrhizine hydrochloride, palmatine hydrochloride, berberine hydrochloride, epiberberine hydrochloride, and coptisine hydrochloride by comparison with the standards. TLC of the extracts of Yuhuanglian on silica gel with petroleum ether (60-90 ºC) – chloroform – acetone – methanol – diethylamine 25:10:10:5:1, detection by spraying with 2 % vanillin in ethanol - sulfuric acid 200:1 and heating at 105 °C until the zones were visible, identification of evodine by comparison with the standard.