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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      105 001
      High-performance thin-layer chromatography in food analysis
      P.K. JAISWAL (Central Agmark Laboratory, Govt. of India, North Ambazari Road, Nagpur 440 010, India)

      CBS Publishers & Distributors Pvt Ltd, New Dehli, 2010. Short review on planar chromatography in food analysis. Certain well-known applications are mentioned but important publications and recent scientific data is lacking.

      Keywords: food analysis HPTLC
      Classification: 1a
      106 029
      Quantitative estimation of ascorbic acid by HPTLC in different varieties of Amla
      G. CHAKRABORTHY (SVKM’S, NMIMS University, School of Pharmacy and Technology Management, Shirpur Campus Shirpur, Maharashtra 425405, India)

      J Young Pharm 1(5), 82-85 (2010). HPTLC of ascorbic acid in different varieties of amla fruit (collected from different geographical regions) on silica gel with ethanol - acetic acid 19:1. The hRf value of ascorbic acid was 76. Densitometric evaluation at 254 nm. The method was linear in the range of 1-5 µg/band. Bigger fruits were found to contain higher concentrations of ascorbic acid. The reported method was applied for estimation of ascorbic acid in crude drug as well as in herbal and pharmaceutical dosage form with reproducible results.

      Classification: 8b
      107 117
      Development and validation of thin-layer chromatographic methods for quality control of herbal products
      R.R. DURÓN, L.C. ALMAGUER, A. DE J. GARZA-JUÁREZ, MA. LUZ, SALAZAR CAVAZOS, N. WAKSMAN-DE-TORRES (Universidad Autónoma de Nuevo León, Departamento de Química Analítica, Facultad de Medicina P.O. Box 2316 Sucursal Tecnológico, 64841 Monterrey Nuevo León, México)

      Acta Chromatographica 21(2), 203-215 (2009). HPTLC of commercial products containing Heterotheca inuloides, Citrus aurantium, Peumus boldus, Equisetum arvense, Eucalyptus globulus, Ginkgo biloba, Mentha piperita, Aloe vera, Salvia officinalis , and Cassia senna on silica gel with different mobile phases. The mobile phase for aloin, boldine, chlorogenic acid, rutin, kaempferol, caffeic acid, and quercetin was ethyl acetate – methanol – water 100:17:13; for menthol, cineole, menthone, alpha- and beta-thujone, geraniol, linalyl acetate and linalool it was toluene – ethyl acetate 93:7; for ginkolide B toluene – ethyl acetate – acetone – methanol 50:25:25:3; and for sennoside B ethyl acetate – formic acid – acetic acid – water 100:11:11:27. Detection with natural products reagent, anisaldehyde reagent or Liebermann-Burchard reagent. We found that in only 20 % of the 40 commercial products analysed the chromatographic characteristics of the respective plants matched those of the specific respective marker compounds. This highlights a problem arising from the lack of regulation of these products, and emphasizes the need to develop simple and reliable analytical methods like TLC methods that can be performed in any laboratory for the purpose of quality control of dietary supplements or commercial herbal products sold in Mexico.

      Classification: 32e
      109 022
      Quantification of (-)-epicatechin and procyanidin B2 in chocolates
      V. GLAVNIK, B. SIMONOVSKA, Irena VOVK*, D. MUTAVDZIC PAVLOVIC, D. ASPERGER, S. BABIC (*National Institute of Chemistry, Laboratory for Food Chemistry, Hajdrihova 19, SI-1001 Lubljana, Slovenia; irena.vovk@ki.si)

      J. Planar Chromatogr. 24, 482-486 (2011). HPTLC of (-)-epicatechin and procyanidin B2 in chocolates on cellulose with n-propanol - water - acetic acid 20:80:1. Detection by immersion for 1 s in 4-dimethylaminocinnamaldehyde. Quantitative determination by densitometry at 655 nm. The samples contained 13 mg/100 g each of (-)-epicatechin and procyanidin B2 with a relative standard deviation of 5.8 and 4.2 % (n = 6), respectively. The calibration curves were polynomial in the range of 2-30 ng/zone for (-)-epicatechin and 4-60 ng/zone for procyanidin B2. LOD was 0.2 ng/zone (0.7 pmol) and 2 ng/zone (3.5 pmol) as well as LOQ was 0.4 ng/zone (1.4 pmol) and 4 ng/zone (7 pmol) for (-)-epicatechin and procyanidin, respectively.

      Classification: 8b
      110 155
      (Study on the method for the quality control of Ningxin pills) (Chinese)
      Y. WANG (Wang Ying) (Chongqing Municip. Trad. Chinese Med. Hosp., Chongqing 400021, China)

      Chinese J. of Trad. Chinese Med. for Emerg. 21 (5), 738-739 (2012). Ningxin pills are a TCM preparation with special efficiency on promoting blood circulation, removing blood stasis, relieving pain and are prescribed clinically to treat coronary disease and angina pectoris. For quality control, TLC of the extracts on silica gel 1) for Panax Notoginseng (Burk.) F.H.Chen, Radix Ginseng rubra, with the lower phase of chloroform – ethyl acetate – methanol – water 15:40:22:10, detection by spraying with 10 % sulfuric acid in ethanol and heating at 105 °C, viewing in daylight; 2) for Rhizoma Corydalis, with toluene – acetone 9:2, detection by exposure to iodine vapors and evaluation at UV 366 nm; 3) for borneol, with petroleum ether (30-60 ºC) – ethyl acetate – chloroform 11:1:3, detection by spraying with 1 % vanillin in sulfuric acid – ethanol 1:4 and heating at 105 °C, viewing in daylight.

      Classification: 32e
      112 009
      Evaluation of computational modifications in HPTLC with gel analysis software and flatbed scanner for lipid separation
      O. KAYNAR*, A. HAYIRLI (*Department of Biochemistry, Faculty of Veterinary Medicine, Atatürk University, Erzurum 25240, Turkey, okaynar@atauni.edu.tr)

      J. Planar Chromatogr. 26, 202-208 (2013). HPTLC of egg yolk lipid fractions on silica gel with hexane - diethyl ether - formic acid 40:10:1. Detection by srpaying with 10 % copper(II) sulfate in 8 % phosphoric acid. Quantitation by scanning with a flatbed scanner and a gel analysis software. Intermediate/interday/intra-day precision was below 10 % CV (n=6).

      Classification: 3f, 11c
      113 040
      HPTLC determination of sibutramine in adulterated herbal slimming supplements
      Caroline MATHON, P. CHRISTEN*, S. BIERI, D. HANDLOSER (*School of Pharmaceutical Sciences, University of Geneva, University of Lausanne, Quai Ernest-Ansermet 30, 1211 Geneva 4, Switzerland, Philippe.Christen@unige.ch)

      CBS 112, 9-11 (2014). HPTLC of sibutramine on silica gel with toluene - methanol 9:1 with chamber saturation for 20 min, developing distance 70 mm. Quantitative absorbance measurement at 225 nm. A polynomial calibration curve was established in the working range of 78-3022 ng. Intermediate precision was between 2-9 %. The hRF of sibutramine was 53. The recoveries were between 96-104 %. For confirmation the sibutramine zone was eluted from the plate with the TLC-MS Interface and identified by MS. Among 52 tested commercial slimming products 26 were adulterated with sibutramine.

      Classification: 17a
      114 054
      Plant essential oils as food preservatives to control moulds, mycotoxin contamination and oxidative deterioration of agri-food commodities - Potentials and challenges
      B. PRAKASH, A. KEDIA, P. KUMAR, N. DUBEY* (*Laboratory of Herbal Pesticides, Centre of Advanced Study in Botany, Banaras Hindu University, Varanasi 221005, U.P., India, nkdubeybhu@gmail.com)

      Food Control 47, 381-391 (2015). Review (2009-2013) of the TLC methods for detecting mycotoxins in search of the efficacy of essential oils and their components against fungi and mycotoxin secretion.

      Classification: 1, 28b