Cumulative CAMAG Bibliography Service CCBS
Our CCBS database includes more than 11,000 abstracts of publications. Perform your own detailed search of TLC/HPTLC literature and find relevant information.
The Cumulative CAMAG Bibliography Service CCBS contains all abstracts of CBS issues beginning with CBS 51. The database is updated after the publication of every other CBS edition. Currently the Cumulative CAMAG Bibliography Service includes more than 11'000 abstracts of publications between 1983 and today. With the online version you can perform your own detailed TLC/HPTLC literature search:
- Full text search: Enter a keyword, e.g. an author's name, a substance, a technique, a reagent or a term and see all related publications
- Browse and search by CBS classification: Select one of the 38 CBS classification categories where you want to search by a keyword
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Pharmacophore 1(2), 103-111 (2010). HPTLC of wedelolactone in powdered dried aerial parts of Eclipta alba Hassk, extracted with methanol, on silica gel with toluene – ethyl acetate – formic acid 50:50:1. Quantitative determination by absorbance measurement at 351 nm.
62nd Indian Pharmaceutical Congress Abstract No. F-265 (2010). TLC of cholesterol on silica gel with carbon tetra chloride – methanol – formic acid 270:30:11. The hRf value was 55. Quantitative determination by absorbance measurement at 366 nm. The method was linear in the range of 100-600 ng/band.
Planta Med. 75, 711-718 (2009). For many decades, planar chromatography has been used for the analysis of plants, in particular today in its most advanced form of HPTLC. The technique is e. g. used for the identification of medicinal plants and dietary supplements, and for the detection of adulteration and quantitative determination of marker substances. Reliable qualitative and quantitative results can be achieved based on suitable instrumentation and adequate methodological concepts. The manageability of the entire planar chromatographic process has improved. Integration of biological detection systems as well as hyphenation to mass spectroscopy has widened the applicability of planar chromatography as an important analytical technique. The introduction is followed by explanation of HPTLC, use of HPTLC in plant analysis, limitations, applications (identification, detection of adulteration and quantitation), and instrumentation (chromatogram development, documentation, detection and evaluation).
J. of Qilu Med. & Pharm., 30 (2), 91-93 (2011). TLC of the extracts of Wuyangbuxin capsules 1) for Polygonium multiflorum, on silica gel with the upper phase of toluene - ethyl acetate - formic acid 10:1:1, detection under UV 365 nm; 2) for Licorice, on silica gel with petroleum ether (60-90 °C) - toluene - ethyl acetate - glacial acetic acid 20:40:14:1, detection by spraying with 10 % sulfuric acid in ethanol and heating until zones were detected; 3) for Milkvetch root, on silica gel with the lower phase of chloroform - methanol - water 13:6:2 at 10 °C, detection by spraying with 10 % sulfuric acid in ethanol and heating at 105 °C until zones were detected; 4) for Epimedium herb on silica gel with ethyl acetate - butanone - formic acid - water 10:1:1:1, detection by spraying with AlCl3 reagent, heating at 105 °C until zones were detected and viewing under UV 365 nm. Identification by fingerprint comparison with the standards of the individual drug components.
J. Planar Chromatogr. 24, 57-59 (2011). HPTLC of piperine on silica gel with toluene - ethyl acetate - diethyl ether 6:3:1 in a saturated twin trough chamber. The hRf of piperine was 40. Quantitative determination by densitometry at 337 nm. Linearity was between 15 and 75 ng/zone. LOD and LOQ was 5 and 15 ng/zone, respectively. The recovery was 94.5 %. The instrumental precision, repeatability, intra-day and inter-day precision (%RSD, n = 6) was 0.6 %, 0.8 %, 0.9 and 0.8 %, respectively.
Chinese J. of Northwest Pharm. 26 (5), 324-327 (2011). TLC of the extracts of Kelu Oral Liquid on silica gel 1) for Ephedrae herba, with chloroform - methanol - concentrated ammonia 40:7:1, detection by spraying with 5 % ninhydrin in ethanol and heating at 105 °C, identification by fingerprint comparison with ephedrine/pseudoephedrine hydrochloride; 2) for Scutellariae radix, with ethyl acetate - butanone - formic acid - water 5:3:1:1, detection by spraying with 10 % FeCl3 in ethanol and heating at 105 °C, identification by fingerprint comparison with astragaloside IV; 3) for menthol and Tatarian Aster root, with petroleum ether (60-90 °C) - ethyl acetate 9:1, detection by spraying with 10 % sulfuric acid in ethanol and heating at 105 °C, identification by fingerprint comparison menthol and shionone; 4) for Glycyrrhizae radix, with ethyl acetate - formic acid - glacial acetic acid - water 15:1:1:2, detection under UV 365 nm after spraying with 10 % sulfuric acid in ethanol and heating at 105 °C, identification by fingerprint comparison with glycyrrhizic acid ammonium salt; 5) for Loquat leaf, with cyclohexane - chloroform - ethyl acetate - glacial acetic acid 40:10:16:1, detection by spraying with 20 % phosphomolybdic acid in ethanol and heating at 105 °C, identification by fingerprint comparison with ursolic acid; 6) for Fritillaria cirrhosa D. Don, with ethyl acetate - methanol - concentrated ammonia 18:2:1, detection by spraying with 5 % potassium iodobismuthate and 0.2 % sodium nitrite solution, identification by fingerprint comparison with peiminine.
J. Planar Chromatogr. 24, 172-175 (2011). HPTLC of arjunolic acid on silica gel, prewashed with methanol, with chloroform - toluene - ethanol 4:4:1 in a twin-trough chamber saturated with mobile phase for 15 min. Detection by spraying with anisaldehyde reagent followed by heating at 110 °C for 5-7 min. Quantitative determination by densitometry at 600 nm. Linearity was between 50 and 500 ng/band. The hRf value was 28. The inter-day, intra-day, and inter-analyst precision was (%RSD, n = 6) 0.2-0.5, 0.3-0.4, 0.2-0.9 %, respectively. The recovery was in the range of 98.1-101.8 %. The robustness (%RSD, n = 3) was 0.2-2.1 %. LOD and LOQ were 18 and 50 ng/band, respectively.
J. of Fujian Univ. of TCM 21(4), 38-40 (2011). TLC of Radix Serratulae Chinensis extracts on silica gel with chloroform - methanol 4:1. Detection under UV 254 nm. Identification of ecdysterone by comparison with the standard (hRf 42). The method was suitable for simple and reproducible quality control of Radix Serratulae Chinensis.