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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      99 051
      Diterpenoid alkaloids from the roots of Aconitum cochleare
      A. H. MERICLI*, S. SUEZGEC, L. BITIS, F. MERICLI, H. OEZCELIK, J. ZAPP, H. BECKER (*Istanbul University, Faculty of Pharmacy, Department of Pharmacognosy, 34116 Beyazit, Istanbul, Turkey; alimer@istanbul.edu.tr)

      Pharmazie 61, 483-485 (2006). Preparative and analytical TLC of talatisamine, 14-O-acetyltalatisamine, senbusine C, and condelphine on silica gel with toluene - ethyl acetate - diethylamine 9:2:1, and 7:2:1; and chloroform - methanol - ammonia 5:3:1, detection under UV light.

      Classification: 22
      103 027
      Investigation of Symphytum cordatum alkaloids by liquid–liquid partitioning, thin-layer chromatography and liquid chromatography - ion trap mass spectrometry
      T. MROCZEK*, Karine NDJOKO-IOSET, K. GLOWNIAK, Agnieszka MIETKIEWICZ-CAPALA, K. HOSTETTMANN (*Department of Pharmacognosy with Medicinal Plants Laboratory, Medical University, 1 Chodzki St., 20-093 Lublin, Poland)

      Anal. Chim. Acta 566 (2), 157-166 (2006). Extraction of pyrrolizidine alkaloids from the alkalised crude extract of Symphytum cordatum (L.) W.K. roots as free tertiary bases and polar N-oxides by one-step liquid–liquid partitioning and pre-fractionation by preparative multiple-development TLC on silica gel with chloroform – methanol – 25 % ammonia 50:5:1. Three alkaloid fractions of different polarities were obtained which showed different retention on silica gel: the most polar N-oxides had the highest retention, the tertiary bases had medium retention, and diesterified N-oxides had the lowest retention. Purification of the former fraction, which was reduced into free bases by sodium hydrosulfite, by liquid-liquid partitioning on Extrelut-NT3 cartridge. Further analysis by HPLC – ion-trap MS.

      Keywords: preparative TLC
      Classification: 4d, 22
      109 052
      Development and validation of TLC densitometric method to determine the berberine content in plant extract and herbal formulation
      T. TAJUDDIN*, H. RAHMAN, K. CHESTER, NAFIS, S. AHMAD (*Dept of Pharmacology & Phytochemistry, Faculty of Pharmacy, Jamia Hamdard, New Delhi, SBS College of Pharmacy Patti, Amritsar, Punjab, India)

      26th IPGA Annual conference, 12 (2010). TLC of berberine in plant extracts and methanolic solutions of a commercially available herbal formulation on silica gel with n-butanol - acetic acid - water 14:3:4. Densitometric evaluation at 435 nm. The method was found to be linear in the range of 8.1-26.9 ng/band. The proposed method was applied to the analysis of different formulations using berberine as chemical marker.

      Classification: 22
      117 094
      Quantification of nicotine in liquids for electronic cigarettes
      Tiên DO (CAMAG, Sonnenmattstrasse 11, 4132 Muttenz, Switzerland, tien.do@camag.com)

      CBS 116, 13-15 (2016). HPTLC of nicotine in e-liquids on silica gel with chamber saturation (with filter paper) for 20 min with toluene – acetone –diethylamine 10:10:1 to the migration distance of 70 mm. Detection under UV 254 nm. Quantitative determination by absorbance measurement at 260 nm. Elution of the zones with methanol (with 0.1 % formic acid) into a single quadrupole MS and detection in positive ionization mode. The hRf value of nicotine was 56 and separation from other ingredients (propylene glycol, glycerol, flavors) was good. Visual evaluation of the samples for presence of nicotine was confirmed with MS and UV spectra.

      Classification: 22
      119 075
      Separation of a mixture of eleven alkaloids by 2D-TLC on multi-K CS5 plates and identification of analytes in Thalictrum foetidum root extract by TLC and HPLC–DAD
      T. TUZIMSKI*, Anna PETRUCZYNIK, Justyna MISIUREK (*Department of Physical Chemistry, Chair of Chemistry, Medical University in Lublin, 4a, Chodzki Street, 20-093 Lublin, Poland, tomasz.tuzimski@umlub.pl)

      J. Planar Chromatogr. 30, 142-147 (2017). 2D-HPTLC of eleven alkaloids: allocryptopine (1), berberine (2), boldine (3), chelidonine (4), glaucine (5), papaverine (6), emetine (7), columbamine (8), magnoflorine (9), palmatine (10), and coptisine (11) on bilayer Multi-K CS5 with methanol – water 4:1 containing 0.05 mL (volume not clear) diethylamine in the first dimension, followed by drying at 110 ºC for 40 min and developing in the second dimension with methanol – acetone – diisopropyl ether – ammonia 18:18:63:1. Quantitative determination at UV 366 nm. The LOD and LOQ were 25 and 63 μg/zone for (2), 14 and 42 μg/zone for (9).

      Classification: 22
      51 095
      Alstolenine, 19,20-dihydropolyneuridine and other minor alkaloids of the leaves of Alstonia venenata
      P. MAJUMDER, A. BASU

      Phytochemistry 21, 2389-2392 (1982). TLC of various indole alkaloids on silica with ethyl acetate - chloroform - methanol 5:1:1 or ethyl acetate - ethanol 3:1. Detection with ceric ammonium sulfate or with Dragendorff reagent. Also PLC and column chromatography.

      Keywords:
      Classification: 22
      53 120
      N-demethylation of morphine alkaloids, II
      S. HOSZTAFI, S. MAKLEIT, Z. MISKOLCZI

      Codeine isomers. Acta Chimica 114, 63-68 (1983). TLC of codeine isomers (iso-, pseudo- and allopseudo codeine) on silica with a) benzene - methanol 6:2 or 1:1, b) chloroform - acetone - diethylamine 5:4:1. Detection with Dragendorff reagent.

      Keywords:
      Classification: 22
      56 100
      Conversions of tosyl and mesyl derivatives of the morphine group, XXIII
      S. BERENYI, S. MAKLEIT, L. SZILAGYI

      Preparation of new 6-substituted-6-demethoxy-thebaine derivatives. Acta Chimica 117, 307-312 (1984). TLC study of new 6-substituted derivatives obtained as unexpected products in the nucleophilic substitution reactions: 14-chlorocodeine, 6-o-tosyl-codeine, 6-o-tosyl-14-bromocodeine, 6-chloro-demethoxythebaine, 6-tosyloxy-deme-thoxythebaine on silica with benzene - methanol 8:2. Detection with Dragendorff reagent.

      Classification: 22