Biochemical Systematics and Ecology 23, 183-200 (1995). TLC of K 3-glucoside, Q 3-glucoside, K 3-rhamnoside, Q 3-glucuronide, K 3-rutinoside, Q 3-rutinoside and K 3-sophoroside on cellulose with 2D-TLC with butanol - acetic acid 4:1:5 (upper phase) for the first direction and acetic acid 15% for the second.

Biochemical Systematics and Ecology 24, 237-242 (1996). TLC of limonoid aglycones (limonin, nomilin, abocunone, deacetylnomilin) and limonoid glucosides (limonim 17-beta-D-glucopyranoside, nimilin glucopyranoside) with cyclohexane - ethyl acetate 2:1, chloroform - methanol 49:1, ethyl acetate - dichloromethane 2:1.

J. Planar Chromatogr. 10, 362-367 (1997). HPTLC of flavonoids (i. a. isoorientin, orientin, vitexin, saponarina) on silica with ethyl acetate - formic acid - water 9:1:1 (3 developments). Detection by immersion into 5% aluminium chloride or 1% NPR (diphenylboryloxyethylamine) solution, drying, then dipping in a solution of PEG 4000 in dichloromethane for 6 s to increase the detection sensitivity. Quantification by densitometry at 313 and 366 nm. This improved TLC procedure enables the identification of at least ten major substances. Most of these have not yet been identified.

Part I. J. Planar Chromatogr. 12, 135-139 (1999). TLC of 21 coumarins and flavonoids on polyamide 11 and alumina with water - modifier 1:9; modifier: 1) methanol, 2) 2-propanol, 3) acetonitrile, 4) tetrahydrofuran, 5) dioxane in a horizontal sandwich chamber. Detection under UV 254 nm. Discussion of the selectivity of the systems, the adsorptive properties of the polyamide and the alumina, and the influence of different organic modifiers.

Chinese J. Pharm. Anal. (Yaowu Fenxi Zazhi) 20 (2), 121-124 (2000). TLC of 14 kinds of flavonoid drugs on polyamide film with 6 kinds of SDS / butanol - hexane - water micro-emulsions as the mobile phase. Detection by spraying with 1% AlCl3 in ethanol and under UV 365 nm. Identification of the flavonoid compositions in rutin, quercetin and scutellarin by fingerprint. Comparison of the results with those obtained with normal mobile phase, showing advantages of present method. Optimal mobile phase was a micro-emulsion containing 75% water - formic acid 19:1.

J. Planar Chromatogr. 15, 4-10, (2002). HPTLC of flavones and flavanones (myricetin, luteolin, apigenin, acacetin, hyperoside, quercetin, rutin, quercitrin, astragalin, kaempferol, isoquercitrin, naringenin, naringin, hesperitin, hesperidin) and phenolic acids (caffeic, ferulic, and chlorogenic acid) on CN-(cyanopropyl)-modified silica gel with e.g. 60% acetone in n-hexane for the development in the first direction and 50% methanol in water for the development in the second direction. Visualization with poly(ethylene glycol) 400 and 2-(diphenylboryoxo)ethylamine. Documentation at 366 nm.

J. Agric. Food Chem. 50, 1700-1705 (2002). TLC of (-)-epicatechin-(4b-8)-epicatechin and (-)-epicatechin-(4b-6)-epicatechin on cellulose with 6% aqueous acetic acid. Visualization by spraying with 5% vanillin solution in 10% hydrochloric acid in ethanol followed by heating.

J. Planar Chromatogr. 17, 459-463 (2004). TLC of standard solutions of nine flavonoids and six phenolic acids (cinnamic, o-coumaric, m-coumaric, p-coumaric, caffeic, ferulic acid, galangin, quercetin, pinocembrin, naringenin, apigenin, chrysin, kaempferol, morin, acacetin) on silica gel in pre-saturated developing chambers with 1) n-hexane - ethyl acetate - glacial acetic acid 31:14:5, or 2) chloroform - methanol - formic acid 88:7:5. After drying, bands were visualized under short- and long-wavelenghth UV light. Detection by spraying with 1 % aluminium trichloride solution and evaluation under long-wavelength UV light. Standards were chromatographed again with a propolis extract. First, plates were developed with mobile phase 1 (or 2), the eluent was evaporated, standard solutions were applied again, and the plate was rotated through 90 ° and chromatographed again with mobile phase 2 (or 1). The presence (or absence) of all standards was determined according to their Rf values and fluorescence colors. Quantitative determination by absorbance measurement at 254 and 366 nm.