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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      105 005
      The frustrated reviewer - recurrant failures in manuscripts describing validation of quantitative TLC/HPTLC procedures for analysis of pharmaceuticals
      K. FERENCZI-FODOR, B. RENGER*, Z. VÉGH (*Vetter Pharma-Fertigung GmbH & Co. KG, Schuetzenstrasse 87, 88212 Ravensburg, Germany; bernd.renger@vetter-pharma.com)

      J. Planar Chromatogr. 23, 173-179 (2010). Many manuscripts and already published articles on analytical procedures to be used in pharmaceutical quality control are characterized by several typical methodological failures and misconceptions. The autors present a collection of typical failures, misconceptions, and misleading data from articles published over the last two years in seven well-known chromatographic publications and provide at the same time a list of references describing optimum approaches to validation of specific TLC/HPTLC procedures. In particular, method specificity, linearity, accuracy, and precision very often are not determined properly and in accordance with best practise.

      Classification: 2f
      105 067
      Phytochemical screening and evaluation by TLC and UV spectrophotometer of polyherbal tablets
      S. DWIVEDI*, J. BORKAR, A. SAOJI, P. YEOLE (*Institute of Pharmaceutical Education and Research, Wardha, Maharashtra, India)

      Abstract No. C-495, 61st IPC (2009). Screening of different phytoconstituents in a polyherbal tablet formulation. TLC of n-hexane, chloroform and methanol extracts of the tablets on silica gel with n-hexane - ethyl acetate 7:3; chloroform-methanol 9:1, and chloroform - glacial acetic acid - methanol - water 8:40:15:10. Evaluation under UV 254 nm as well as under UV 366 nm after spraying with different reagents: 20 % sulfuric acid, aniline-hydrogen phthalate reagent, anisaldehyde-sulfuric acid reagent, and vanillin-sulfuric acid reagent for the detection of piperine and andrographide, the active constituents present in formulations like Tefroliv Forte tablets. Other constituents (tannins etc) were analyzed by UV spectrophotometry.

      Classification: 32e
      105 095
      Estimation of ellagic acid in Eugenia jambolana Lam seed alcoholic extract by HPTLC method
      N. PATEL*, D. MODI, B. SHAH, P. RACHH (*Vidyabharati Trust College of Pharmacy, Surat, Gujarat, India)

      Abstract No. C-497, 61st IPC (2009). HPTLC of ellagic acid in seeds of Eugenia jambolana Lam on silica gel with ethyl acetate - glacial acetic acid - formic acid - water 100:11:11:27. Densitometric evaluation at 254 nm. The method was linear in the range of 200-1200 ng/band. The alcoholic seed extract contained 11.03 % of ellagic acid and 21 % of total tannin (measured by chemical method).

      Classification: 32e
      105 126
      Resolution of beta blocker enantiomers by TLC with vancomycin as impregnating agent or as chiral mobil phase additive
      R. BUSHAN*, C. AGARWAL (*Department of Chemistry, Indian Istitute of Technology, Roorkee-247667, India; rbushfcy@iitr.ernet.in)

      J. Planar Chromatogr. 23, 7-13 (2010). TLC of the enantiomers of racemic atenolol, metoprolol, propanolol, and labetalol on silica gel using vancomycin as chiral impregnating agent or as chiral phase additive. With vancomycin as impregnating agent, resolution of the enantiomers of atenolol, metoprolol, propanolol, and labetalol was achieved with acetonitrile - methanol - water - dichloromethane 7:1:1:1, acetonitrile - methanol - water 6:1:1, acetonitrile - methanol - water - dichloromethane - glacial acetic acid 14:2:2:2:1, and acetonitrile - methanol - water 15:1:1. With vancomycin as mobile phase additive, resolution of the enantiomers of metoprolol, propanolol, and labetalol was achieved using acetonitrile - methanol - 0.56 mM aqueous vancomycin (pH 5.5) 15:1:2, and acetonitrile - methanol - 0.56 mM aqueous vancomycin (pH 5.5) - dichloromethane 18:2:3:2, respectively. Chromatograms were developed in glass chambers previously equilibrated with the mobile phase at 16 +/- 2 °C for 10-15 min. Detection by exposure to iodine vapor. The detection limits were 1.3, 1.2, 1.5. and 1.4 µg for each enantiomer of atenolol, metoprolol, propanolol, and labetalol, respectively.

      Classification: 38
      106 033
      HPTLC method for quantitative determination of quercetin in hydroalcoholic extract of dried flower of Nymphaea stellata willd
      S. RAKESH*, P. PATIL, V. SALUNKHE, P. DHABALE, K. BURADE (*Govt. College of Pharmacy, Vidyanagar, Tal. Karad 415124, Dist. Satara, M.S., India, sachinrakesh@rediffmail.com)

      International Journal of ChemTech Research 1(4), 931-936, (2009). TLC of quercetin in hydroalcoholic extracts of dried flower of Nymphaea stellata (Nymphaceae). Separation on silica gel with toluene - ethyl acetate - formic acid 25:20:1. The hRf value was 26. Densitometric evaluation at 380 nm. The method was linear in the range of 20-200 ng/band. The average recovery was 99.3 %.

      Classification: 8b
      106 060
      A validated stability indicating HPTLC method for simultaneous estimation of ramipril and telmisartan
      L. POTALE, Mrinalini DAMLE*, A. KHODKE, K. BOTHARA (*AISSIMS College of Pharmacy, Kennedy Rd., Near RTO Pune 411001, M.S., India, mcdamle@rediffmail.com)

      International Journal of Pharmaceutical Sciences Review and Research 2(2), 35-39 (2010). TLC on silica gel with methanol - chloroform 1:6. The hRf value was 38 and 68 for ramipril and telmisartan respectively. Densitometric evaluation at 210 nm. The method was linear in the range of 300-3000 ng/band and 500-4000 ng/band for ramipril and telmisartan respectively. The recovery was 98-102 %. The sample was subjected to different stress conditions (acid, base, oxidative, heat, photolytic) and all the degradation products were well separated from drug.

      Classification: 11a
      106 083
      A validated HPTLC method for simultaneous analysis of eugenol and piperine in a Siddha formulation
      K.C. PATRA*, K.J. KUMAR (*Institute of Pharmaceutical Sciences, Guru Ghasidas Viswavidyalaya (Central University), Bilaspur 495009, India, herbalkartik@gmail.com)

      J. Planar Chromatogr. 23, 293-297 (2010). TLC of eugenol and piperine on silica gel with toluene - ethyl acetate 9:3 with chamber saturation for 15 min at room temperature. The hRf value of eugenol was 73 and of piperine 28. Linearity was between 1 and 12 µg/band for both eugenol and piperine. A good linear relationship with r2 = 0.9979 and 0.9980 for eugenol and piperine was obtained. The limit of detection was 0.1 ng/band for eugenol and 10 ng/band for piperine. Recovery of eugenol and piperine was above 97 %. The recovery (measured at different concentration levels) of eugenol was 95.9- 97.5 % and of piperine 91.8-96.6 %. For eugenol the robustness of the method (% RSD, n = 3) was 0.74 % (12 ng/band) and 0.69 % (25 ng/band) for toluene - ethyl acetete 9:3 and 0.79 % (12 ng/band) and 0.88 % (25 ng/band) for toluene - ethyl acetate 9:2. For piperine the robustness of the method (% RSD, n = 3) was 0.74 % (5 ng/band) and 0.89 % (10 ng/band) for toluene - ethyl acetate 9:3 and 0.72 % (5 ng/band) and 0.73 % (10 ng/band) for toluene - ethyl acetate 9:2.

      Classification: 15
      106 111
      HPTLC method for the simultaneous estimation of etophylline and theophylline in tablet dosage form
      V. VENKATESH*, A. PRABHAKAR, P. SURESH, U. MAHESHWARI, N. RAO (*Dept. of Pharmaceutical Analysis, Chalapathi Institute of Pharmaceutical Sciences, Vhalapathi Nagar, Lam, Guntur 522034, India, vedullapalli.pharma@gmail.com)

      Asian Journal of Chemistry 23(1), 309-311 (2011). TLC on silica gel with toluene - isopropyl alcohol - acetic acid 12:12:1. The hRf values was 63 for etophylline and 75 for theophylline. Densitometric evaluation at 261 nm. The method was linear in the range of 200-400 ng/band for etophylline and 60-80 ng/band for theophylline.

      Classification: 21a
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