J. Chinese Trad. Patent Med. (Zhongchengyao) 27(5), 526-529 (2005). TLC of the extracts on silica gel with 1) ethyl acetate - formic acid - water 10:1:2; 2) cyclohexane - chloroform - methanol 10:6:1. Detection 1) by spraying with 10 % H2SO4 in ethanol followed by heating at 105 ºC until the spots are visualized; 2) by exposing to iodine vapor and inspection under UV 365 nm. Identification by fingerprint technique. Monitoring of the dosage limit of aconitine in the medicine by comparison with the standard. Quantification of tetrahydropalmatine by HPLC. The results are given for 10 batches of real life samples.

J. Chromatogr. A 1077 (2), 202-206 (2005). HPTLC of physcion, chrysophanol, emodin and chrysophanol glycoside in Rheum emodi on RP-18 with methanol - water - formic acid 80:19:1. Quantitative determination by absorbance measurement at 445 nm. The calibration curves were linear in the range of 20-100 ng for physcion, 80-400 ng for chrysophanol and emodin, and 200-1000 ng for chrysophanol glycoside. The method was found to be reproducible and convenient for quantitative analysis of anthraquinone derivatives in the methanolic extract of rhizomes of Rheum emodi collected from three different locations of Western Himalaya, India.

Planta Med. 70, 479-482 (2004). Analytical and preparative TLC of genistein and 7-O-alpha-rhamno(1-6)-beta-glucosylgenistein on silica gel with n-butanol - acetic acid - water 4:1:1, ethyl acetate - methanol - water 77:13:10, and ethyl acetate - methanol - acetic acid - water 13:3:4:3. Detection under UV at 254 nm and under 366 nm after spraying with 1 % methanolic diphenylboric acid beta-ethylamino ester (natural products reagent), followed by a 5 % ethanolic PEG 4000 solution.

J. Planar Chromatogr. 19, 62-67 (2006). TLC of erythromycin, troleandomycin, tylosin, rifamycin B, and rifampicin on RP18 with a wide range (from 0 to 100 %) of mixtures of alcohols with dimethyl sulfoxide or hexamethyldisiloxan in pre-saturated chambers. Visualization by spraying with a 1:4 mixture of concentrated sulfuric acid and methanol followed by heating in an incubator at 120 °C for 10 min.

Planta Med. 71, 364-365 (2005). Analytical TLC of surangin B on silica gel with chloroform - toluene 1:1 and toluene - acetone 9:1. Detection under UV light at 254 nm.

Planta Med. 71, 673-679 (2005). Analytical and preparative TLC of 18-(beta-D-glucopyranosyloxy)-28-oxoolean-12-en-3beta-yl 3-O-(beta-D-glucopyranosyl)-beta-D-glucopyranosiduronic acid methyl ester, achyranthoside C dimethyl ester, achyranthoside C butyl dimethyl ester, achyranthoside E dimethyl ester, achyranthoside E butyl methyl ester (and 10 known compounds) on silica gel and RP18 with chloroform - methanol - water 8:5:2 or methanol - water 1:1, respectively. Detection under UV light at 254 nm or by spraying with cerium sulfate - 10 % sulfuric acid 1:99.

Planta Med. 70, 1011-1014 (2004). TLC bioautography of bellidin, bellidifolin and the respective glucosides on silica gel with chloroform - methanol - water 50:10:1 with huperzine A, galanthamin HBr, and physostigmine as reference substances.

J. Planar Chromatogr. 19, 409-417 (2006). The chromatographic behavior of polyphenols (flavonoids and phenolic acids) has been investigated by RP-TLC to establish relationships between chromatographic data and selected ADME (absorption, distribution, metabolism, and elimination) data. -TLC of six flavones (flavone, chrysin, tectochrysin, apigenin, acacetin, luteolin), nine flavonols (galangin, kaempferol, kaempferide, morin, quercetin, rhamnetin, isorhamnetin, tamarixetin, myricetin), seven flavanones (flavanone, pinocembrine, pinostrobin, naringenin, sakuranetin, isosakuranetin, hesperitin), and eight phenolic acids (caffeic, ferulic, isoferulic, cinnamic, o-coumaric, m-coumaric, p-coumaric, and sinapic acid) on RP-18. Binary mobile phases were prepared from mixtures of methanol and phosphate buffer; ascending development was performed at room temperature in a saturated glass chamber. Detection at 254 nm.