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
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Registered users can create a tailor made PDF of selected articles throughout CCBS search – simply use the cart icon on the right hand of each abstract to create your individual selection of abstracts. The saved items can be printed to PDF using the print function of your web browser.

      Method validation and simultaneous quantification of five triterpenoids from Codonopsis ovata by High-Performance Thin-Layer Chromatography
      A. DAR*, P. SANGWAN, N. SINGH, A. KUMAR (*Bioorganic Chemistry Division, CSIR ‒ Indian, Institute of Integrative Medicine, Canal Road Jammu Tawi 180001, India, alamgirdar@skuastkashmir.ac.in)

      J. Planar Chromatogr. 32, 251-256 (2019). HPTLC of taraxerol (1), 3β-hydroxyoleanane-12-one (2), betulinic acid (3), ursolic acid (4), and oleanolic acid (5) in Codonopsis ovata on silica gel with n-hexane - ethyl acetate - formic acid 20:5:1. Detection by dipping into a ceric ammonium sulfate reagent, followed by heating at 105-110 ºC for 5 min. Quantitative determination by absorbance measurement at 366 nm. The hRF values for (1) to (5) were 74, 64, 51, 44 and 22, respectively. Linearity was between 100 and 600 ng/zone for (1) to (5). The intermediate precision was below 5 % (n=3). The LOD and LOQ were 30 and 60 ng/zone for (1) and (4), 60 and 90 ng/zone for (2), 60 and 100 ng/zone for (3) and 30 and 70 ng/zone for (5), respectively. Recovery rate ranged between 85.7 and 97.2 % for (1) to (5).

      Classification: 14
      Chemotaxonomic differentiation of Clerodendrum species based on High-Performance Thin-Layer Chromatographic fingerprinting of key secondary metabolites and chemometric data analysis
      M. SRIVASTAVA, P. MISHRA, N. KUMAR, K. SHANKER* (*Analytical Chemistry Department, CSIR-Central Institute of Medicinal and Aromatic Plants, Lucknow 226015, India, kspklko@yahoo.com)

      J. Planar Chromatogr. 32, 211-222 (2019). HPTLC of 24β-ethylcholesta-5,22E,25-triene-3β-O-D-glucoside (1), clerodinin-A (2), 24β-ethylcholesta-5,22E,25-triene-3β-ol (3), and lupeol (4) in three closely related Clerodendrum species (C. inerme, C. multiforum, and C. viscosum) on silica gel with toluene - ethyl - acetate - methanol - acetic acid 13:6:2:1. Detection by dipping into anisaldehyde - sulfuric acid - acetic acid 1:5:95, followed by air drying for 10 min and heating at 135 °C for 7 min. Quantitative determination by absorbance measurement at 560 nm. The hRF values for (1) to (4) were 35, 82, 89 and 96, respectively. Linearity was between 100 and 500 ng/zone for (1) to (4). The intermediate precision was below 3 % (n=9). The LOD and LOQ were 20 and 70 ng/zone for (1), 40 and 150 ng/zone for (2), 40 and 120 ng/zone for (3) and 50 and 150 ng/zone for (4), respectivley. Recovery rate was between 99.0 and 101.0 % for (1) to (4).

      Classification: 14
      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, pharmacognosy1@rediffmail.com)

      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
      A fast isolation method for glycyrrhizic acid, the bioactive marker of Glycyrrhiza glabra, and its quantitative evaluation in some single and multiherbal formulations using High-Performance Thin-Layer Chromatography
      U. MALLAVADHANI*, Y. APARNA, S. MOHAPATRA, D. MANE (*Centre for Natural Products & Traditional Knowledge, CSIR ‒ Indian Institute of Chemical Technology, Hyderabad 500007, India, mallavadhani@iict.res.in)

      J. Planar Chromatogr. 32, 81-87 (2019). HPTLC of glycyrrhizic acid in Glycyrrhiza glabra on silica gel with n-butanol - acetic acid - water 7:2:1. Quantitative determination by absorbance measurement at 260 nm. The hRF value of glycyrrhizic acid was 33. Linearity was between 0.2 and 2.5 µg/zone. The intermediate precision was below 6 % (n=3). The LOD and LOQ were 160 and 487 ng/zone. Recovery rate was 98.8 %.

      Classification: 14
      Assessment of environmental quantitative variation of diosgenin in Fenugreek seeds via High-Performance Thin-Layer Chromatography method
      A. FOUDAH, P. ALAM, A. AL FURAIH, M. SALKINI, M. ABDEL-KADER* (*Department of Pharmacognosy, College of Pharmacy, Prince Sattam Bin Abdulaziz University, P.O. Box 173, Al-Kharj 11942, Saudi Arabia, mpharm101@hotmail.com)

      J. Planar Chromatogr. 32, 89-93 (2019). HPTLC of diosgenin in the seeds of Fenugreek (Trigonella foenum-graecum) on silica gel with hexane - acetone 4:1. Detection by dipping into an anisaldehyde–sulfuric acid reagent, followed by heating at 105 °C for 10 min. Quantitative determination by absorbance measurement at 430 nm. The hRF value of diosgenin was 30. Linearity was between 50 and 400 ng/zone. The intermediate precision was below 2 % (n=6). The LOD and LOQ for diosgenin were 9 and 19 ng/zone. Recovery was between 98.0 and 99.2 %.

      Classification: 14
      High-Performance Thin-Layer Chromatographic– Densitometric determination of the major triterpene saponins and their aglycones from Centella asiatica

      J. Planar Chromatogr. 32, 25-30 (2019). HPTLC of asiaticoside (1) and madecassoside (2) in Centella asiatica on silica gel with chloroform - methanol - water 5:4:1. Quantitative determination by absorbance measurement at 202 nm. The hRF values for (1) and (2) were 72 and 47, respectively. Linearity was between 100 and 1500 ng/zone for both (1) and (2). The intermediate precision was below 4.3 % (n=3). The LOD and LOQ for (1) and (2) were 14 and 60 as well as 37 and 82 ng, respectively. Recovery rate was 103.3 % for (1) and 95.8 % for (2).

      Classification: 14
      100 038
      TLC-densitometric investigations of phenylpropanoid glycosides in black horehound (Ballota nigra L
      G. JANICSÁK*, E. TÓTH, I. MÁTHÉ (*Institute of Ecology and Botany of the Hungarian Academy of Sciences, Vácrátót, Alkotmány út, H-2163, Hungary; janicsak@botanika.hu)

      ). J. Planar Chromatogr. 20, 443-446 (2007). TLC of caffeoylmalic acid, forsythoside, and verbascoside on silica gel in an unsaturated chamber with formic acid - acetic acid - water - ethyl acetate 151536134. Detection by dipping into a 1 % methanolic solution of natural products reagent and heating for 10 min at 40 °C. The dried plates were subsequently dipped into a 5 % methanolic solution of polyethyleneglycol 400 and then heated as before. Quantitation by densitometry at 395 nm ??? in fluorescence mode.

      Classification: 14
      113 033
      Novel thin-layer chromatographic–densitometric method
      for the quantification of betulinic acid in nagod (Vitex negundo L
      R. PATEL*, J. PATEL, P. TRIVEDI (*Department of Pharmaceutical Analysis, K. B. Institute of Pharmaceutical Education and Research, Gandhinagar, Gujarat, India, rajukpatel2006@gmail.com)

      ) and its herbal formulations. J. Planar Chromatogr. 27, 102-106 (2014). HPTLC of betulinic acid in the leaves of Vitex negundo on silica gel with toluene - acetone - formic acid 1732. Detection by spraying with anisaldehyde sulfuric acid reagent, followed by heating at 105 ºC for 5 min. Quantitative determination by absorbance measurement at 445 nm. The hRf value for betulinic acid was 42. Linearity was in the range of 200-1200 ng/zone. The intermediate/interday/intra-day precisions were below 1.3 % (n=3). The LOD and LOQ were 6 and 18 ng/zone, respectively. Recovery was in the range of 99.7-101.5 %.

      Keywords:
      Classification: 14