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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      129 068
      Thai mango and pineapple puree and juice analyzed by high-performance thin-layer chromatography hyphenated with effect-directed assays
      (*Institute of Nutritional Science, and Interdisciplinary Research Centre for Biosystems, Land Use and Nutrition, Justus Liebig University Giessen, Giessen, Germany;

      Molecules, 26 (24), 7683 (2021). Samples were ultrasound-assisted extracts of fruit puree and juice (pre-treated with sulfur dioxide or ascorbic acid) of Ananas comosus (Bromeliaceae) and Mangifera indica (Anacardiaceae). HPTLC on silica gel with toluene – ethyl acetate – methanol – formic acid 120:90:35:3. Detection under white light, UV 254 nm and 366 nm, before and after  derivatization by immersion (2 s, 3 cm/s) into anisaldehyde sulfuric acid reagent and  diphenylamine aniline reagent, followed by heating at 110 °C for 5 min. Effect-directed analysis using automated immersion: A) for free radical (DPPH•) scavengers; B) for enzymatic inhibition (acetyl-cholinesterase, tyrosinase); C) for activity against Gram-negative (Aliivibrio fischeri bioluminescence assay) or Gram-positive bacteria (Bacillus subtilis bioassay). Active compounds were far more present in puree than in juice extracts, and differences were also seen between cultivars. Ascorbic acid (hRF 37), used as additive for the mango puree, was active as antioxidant and as transiently disruptive for A. fischeri metabolism and bioluminescence.

      Classification: 27, 32e, 35b
      100 183
      Quantitative ion-exchange TLC of p-hydroxybenzoic acid in the presence of preservatives
      A. MIRZAIE, A. JAMSHIDI, S.W. HUSAIN* (*Department of Chemistry, Faculty of Science, Science and Research Campus, Islamic Azad University. P. O. Box 14155-4933, Poonak-Hesarak, Tehran-14778-93855, Iran;

      J. Planar Chromatogr. 20, 303-306 (2007). TLC of p-hydroxybenzoic acid, methyl p-hydroxybenzoate, ethyl p-hydroxybenzoate, propyl p-hydroxybenzoate, benzoic acid, sodium benzoate, sorbic acid, potassium sorbate, salicylic acid, butylated hydroxyanisol, and butylated hydroxytoluene on stannic silicate with n-hexane - ethyl methyl ketone - acetic acid 80:20:3. Quantitation by scanning densitometry at 270 nm. The limit of detection and quantitation for p-hydroxybenzoic acid was 0.05 and 0.51 µg/zone, respectively.

      Classification: 35b
      61 260
      Thiomersal - Wie chemisch instabil ist dieses Konservierungsmittel? (On the chemical stability of the preservative Thiomersal)
      K. THOMA*, O.E. SCHUBERT, (*Inst. für Pharmazie u. Lebensmittelchemie der Ludwig-Maximillians- Universität München, Lehrstuhl für Pharm.Techn., Sophienstrasse 10, D-8000 München 2, F.R.G.)

      Dtsch. Apoth. Ztg. 127, 1867-1869 (1987). TLC of thiomersal, thiosalicylic acid, dithiosalicylic acid on silica with chloroform - methanol NH3 (25%) 60:30:10. Visualization with dithizon.

      Classification: 24, 35b
      80 155
      Determination of 8-hydroxyquinoline sulfate in tuberculin solution by planar and high-performance liquid chromatography
      D. AGBABA*, A. MIHAJLOVIC, P. BELJANSKI, D. ZIVANOV-STAKIC, S. VLADIMIROV, (*Dept. Pharm. Chem., Fac. Pharm., Vojvode Stepe 450, P.O. Box 146, Belgrade 11000, Serbia, Yugoslavia)

      Chromatographia 45, 145-148 (1997). TLC on silica with butylacetate - formic acid - 2-propanol 5:2:3. Quantification by densitometry at 250 nm. Comparison with HPLC method. Detection limit ca. 25 ng for both methods.

      Classification: 35b
      104 241
      Lipophilicity of some preservatives estimated by RP-TLC using stationary phases with different polarity
      Dorina CASONI*, C. SARBU (*Department of Analytical Chemistry, Faculty of Chemistry and Chemical Engineering, Babes-Bolyai University, Arany Janos Str. No 11, 400028 Cluj-Napoca, Romania)

      Chromatographia 70 (7-8), 1277-1282 (2009). HPTLC of preservatives on three stationary phases of different polarity: RP-18, RP-18W and cyano phase, with methanol – water mixtures in different volume proportions. The resulting RM values showed a linear decrease with increasing methanol concentration of the mobile phase (determination coefficients for all stationary phases were >0.98). The retention behavior of the preservatives on RP phase is in good agreement with their polarity. Principal component analysis showed that for all three stationary phases the same lipophilic interactions take place.

      Classification: 35b
      62 121
      Thin-layer chromatography of amine antioxidants and antiozonants used in elastomers
      C.B. AIRAUDO, A. GAYLE-SORBIER, P. AUJOULAT, V. MERCIER (Lab. Bromotol. Diet. et Anal. Appl. Expert., Fac. Pharm., 27 Boulevard Jean-Moulin 13385 Marseille Cedex 5, and Pharm. Cent. Hosp. Sepc. Valvert, Boulevard Liberat., 13391 Marseille Cedex 11, France)

      J. Chromatogr. 437, 59-82 (1988). TLC of 54 amines on silica with benzene and benzene - ethyl acetate - acetone 100:5:1. Detection by spraying with N-chloro-2,6-dichloro-P-benzoquinone monoimine in buffered alkaline medium. Identification of several imprecisely defined products. Establishment of theoretical correlations between chemical structures, Rf values and colors of spots.

      Classification: 2c, 17a, 35b
      80 156
      Determination of butylated hydroxytoluene (BHT) in gum base by quantitative thin-layer chromatography
      N. MARIJAN*, M. ANZULOVIC, (*Pliva d.d., Quality Assurance, B. Filipovica 25, Zagreb, Croatia)

      J. Planar Chromatogr. 10, 463-464 (1997). TLC on silica with hexane (12 cm), and, after drying - in the same direction - with petrol ether (10 cm). Detection by spraying with 20% ethanolic phosphomolybdic acid and heating at 105°C. Quantification by densitometry at 600 nm.

      Classification: 35b
      106 179
      Chromatographic behavior of food additives on thin layers of titanium(IV) silicate ion-exchanger
      V. GHOULIPOUR, S. AMINI, A. HAGHSHENAS, S. WAQIF-HUSAIN* (*Chemistry Department, Faculty of Science, Science and Research Branch, Islamic Azad University, P. O. Box 14515-775, Poonak-Hesarak, Teheran, Iran;

      J. Planar Chromatogr. 23, 250-254 (2010). TLC of 30 food additives (aldehydes, organic acids, esters and alcohols, and various sodium salts) on titanium(IV)silicate ion-exchanger with 10 different mobile phases: e. g. methanol, heptane - diethylether 4:1, aqueous ammonia - methanol - ethyl acetate 1:3:6, methanol - aqueous ammonia 9:1, methanol - ethanol 17:3, 0.5 M ammonium sulfate solution, 0.25 M, 0.5 M and 0.1 M potassium bromide solution, and phosphate buffer pH 2.5 in a twin-trough chamber without chamber saturation. Detection by spraying with 1 % iron chloride solution, 0.5 % potassium permanganate and 3 % barium chloride solution 1:1, 1 % ninhydrin in ethanol, 2 % phosphomolybdic acid in ethanol, and 5 % potassium dichromate in concentrated sulfuric acid. The study shows that the quality of separation depends to a large extent on the mobile phase, and selectivity is achieved by varying the composition of the mobile phase.

      Classification: 35b