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:

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      HPTLC, HPTLC-MS/MS and HPTLC-DPPH methods for analyses of flavonoids and their antioxidant activity in Cyclanthera pedata leaves, fruits and dietary supplement
      Francesca ORSINI, Irena VOVK*, Vesna GLAVNIK, Urska JUG, D. CORRADINI (*Department of Food Chemistry, National Institute of Chemistry, Hajdrihova 19, 1000 Ljubljana, Slovenia,

      J. Liq. Chromatogr. Relat. Technol. 32, 41-46 (2019). HPTLC of flavonoids apigenin, luteolin, chrysin, myricetin, prunin (or naringenin 7-O-glucoside), nicotiflorin (or kaempferol 3-O-rutinoside), rutin (or quercetin 3-O-rutinoside), quercetin 3-O-glucopyranoside, luteolin 7-O-glucoside, isovitexin (or apigenin-6-C-glucoside), apigenin-7-O-glucoside, naringenin, hesperetin, flavone, kaempferide, kaempferol, naringin, hesperidin, quercetin dihydrate and quercetin in Caigua (Cyclanthera pedata Scrabs) on silica gel (1) or RP-18 (2) with ethyl acetate - water - formic acid 17:3:2 for (1) or 5 % formic acid in methanol - water 7:3 for (2). Detection by heating at 110 ºC, followed by dipping into Natural product reagent for 2 min. Qualitative identification under UV light at 254 nm and 366 nm. Flavonoids were further analyzed by HPTLC–MS/(MSn). 

      Classification: 8a
      Microscopic and phytochemical comparison of the three Leonurus species L. cardiaca, L. japonicus, and L. sibiricus
      Anna PITSCHMANN, C. WASCHULIN, C. SYKORA, S. PUREVSUREN, S. GLASL* (*Department of Pharmacognosy, University of Vienna, Vienna, Austria;

      Planta Med. 83(14/15), 1233-1241 (2017). HPTLC of standards and methanolic extracts of L. cardiaca, L. japonicus and L. sibiricus (Lamiaceae) acidified with formic acid on silica gel with ethyl acetate – acetic acid – formic acid – water 100:11:11:26, in an automatic development chamber with 48 % humidity (20 min presaturation). Detection under white and UV light, before and after immersion in 1) anisaldehyde – sulphuric acid (followed by heating) for the detection of iridoids; 2) natural product reagent A for phenylpropanoids; 3) modified Dragendorff reagent (bismuth oxynitrate 0.17 %, sulfuric acid 3.5 %, glacial acetic acid 2 %, potassium iodide 4 %) for alkaloids. Ajugoside (hRF 29) and verbascoside (hRF 53) were found in L. cardiaca and L. sibiricus, but absent in L. japonicus. The opposite was true for leonurine (hRF 52), whereas stachydrine (hRF 14) was found in the three species. This method allows to distinguish L. japonicus from the other species, which have to be distinguished from each other through morphology.

      Classification: 32e, 22, 8
      Validated simultaneous High-Performance Thin-Layer Chromatographic analysis of ursolic acid, β-sitosterol, lupeol and quercetin in the methanolic fraction of Ichnocarpus frutescens
      J. DWIVEDI, A. GUPTA, S. VERMA, S. PALIWAL, A. RAWAT* (*Pharmacognosy & Ethnopharmacology Division, CSIR ‒ National Botanical Research Institute, Lucknow, India,

      J. Planar Chromatogr. 32, 103-108 (2019). HPTLC of ursolic acid (1), β-sitosterol (2), lupeol (3) and quercetin (4) in the aerial parts of Ichnocarpus frutescens on silica gel with toluene - ethyl acetate - formic acid 80:20:1. Quantitative determination by absorbance measurement at 500 nm for (1), 550 nm for (2), 650 nm for (3) and 310 nm for (4). The hRF values for (1) to (4) were 66, 70, 75 and 42, respectively. Linearity was between 100 and 600 ng/zone for (1) to (4). The intermediate precision was below 2 % (n=3). The LOD and LOQ were 60 and 182 ng for (1), 80 and 242 ng for (2), 50 and 151 ng for (3) and 45 and 137 ng for (4), respectivley. Recovery rate was between 96.9 and 100.1 % for (1) to (4).

      Classification: 14, 8a
      Validated High-Performance Thin-Layer Chromatographic method for the simultaneous determination of quercetin, rutin, and gallic acid in Amaranthus tricolor L.
      S. BISWAS, R. HARWANSH, A. KAR, P. MUKHERJEE* (*School of Natural Product Studies, Department of Pharmaceutical Technology, Jadavpur University, Kolkata 700032, India,

      J. Planar Chromatogr. 32, 121-126 (2019). HPTLC of quercetin (1), rutin (2), and
      gallic acid (3) in the aerial parts of Amaranthus tricolor on silica gel with toluene - ethyl acetate - formic acid 7:5:1. Quantitative determination by absorbance measurement at 254 nm. The hRF values for (1) to (3) were 49, 14 and 28, respectively. Linearity was between 200-800 ng for (1), 200-500 ng for (2) and 200-600 ng for (3). The intermediate precision was below 1 % (n=6). The LOD and LOQ  were 22 and 68 ng/zone for (1), 14 and 55 ng/zone for (2) and 16 and 52 ng/zone for (3), respectively. Recovery was between 99.0 and 99.9 % for (1), 98.4 and 99.3 % for (2) and 99.1 and 99.8 % for (3).

      Classification: 8a
      Pharmacognostical specification and validated High-Performance Thin-Layer Chromatographic method for the estimation of quercetin in Phoenix sylvestris root
      P. JAIN*, S. JAIN, S. SHARMA, S. PALIWAL (*Department of Pharmacy, Banasthali Vidyapith, Banasthali 304022, India,

      J. Planar Chromatogr. 32, 31-39 (2019). HPTLC of quercetin in the roots of Phoenix sylvestris on silica gel with toluene - ethyl acetate - formic acid 5:4:1. Quantitative determination by absorbance measurement at 254 nm. The hRF value of quercetin was 39. Linearity was between 50 and 250 ng/zone. The intermediate precision was below 2 % (n=5). The LOD and LOQ were 21 and 44 ng/zone, respectively. Recovery rate was 99.4 %.

      Classification: 8a
      Validated High-Performance Thin-Layer Chromatographic–Densitometric method for the isolation and standardization of ayapanin in Ayapana triplinervis
      S. BISWAS, P. MUKHERJEE* (*School of Natural Product Studies, Jadavpur University, Kolkata 700032, India:

      J. Planar Chromatogr. 32, 41-46 (2019). HPTLC of ayapanin in the leaves of Ayapana triplinervis on silica gel with ether - ethyl acetate 3:2. Quantitative determination by absorbance measurement at 254 nm. The hRF value of ayapanin was 56. Linearity was between 200 and 1000 ng/zone. The intermediate precision was below 0.8 % (n=6). The LOD and LOQ for ayapanin were 54 and 169 ng/zone, respectively. Recovery rate was 99.7 % for ayapanin.


      Classification: 8b
      117 053
      Marker compounds in Java tea characterized by HPTLC
      Tiên DO*, R. DE VAUMAS** (*CAMAG, Sonnenmattstrasse 11, 4132 Muttenz,
      Switzerland,, **Extrasynthese, Impasse Jacquard – CS
      30062, 69727 Genay Cedex, France,

      CBS 115, 13-15 (2015). HPTLC of Java tea (Orthosiphon species) and standards rhamnazin, apigenin-4,5,7-trimethylether, 6-methoxyluteolin, luteolin tetramethylether, scutellarein tetramethylether, tangeretin,
      eupatorin, eupatorin-5-methylether, and sinensetin on silica gel with toluene – ethyl acetate – methanol 1181 with chamber saturation for 20 min to the migration distance of 70 mm. Detection under UV 254 nm and 366 nm. Densitometric evaluation by absorbance measurement at 254 nm. Elution of zones with TLC-MS Interface into a single mass spectrometer. Together with the already established sinensetin, scutellarein tetramethylether, eupatorin, and eupatorin-5-methylether were determined as specific markers suitable for the identification of Orthosiphon aristatus (Blume) Miq. by HPTLC. The presence of these four markers in the flavonoid profile is specific for Java tea.

      Classification: 8
      52 031
      Constituents of Cryptomeria japonica D

      Don. Chem. Pharm. Bull. 31, 919-924 (1983). TLC of various amentoflavones on silica with a) ethyl acetate - methanol - acetic acid 210.2 and b) chloroform - methanol 31. Detection with 5 % FeCl3 and UV. Isolation of new biflavones by PLC.

      Classification: 8