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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      130 003
      Purification and characterization of a novel endolytic alginate lyase from Microbulbifer sp. SH-1 and its agricultural application
      J. YANG, D. CUI, D. CHEN, W. CHEN, S. MA, H. SHEN* (*College of Natural Resources and Environment, South China Agricultural University, Guangzhou, and Guangdong Provincial Key Laboratory of Eco-Circular Agriculture, Guangzhou, China; hshen@scau.edu.cn)

      Marine Drugs 18(4), 184 (2020). A new alginate lyase (AlgSH7), isolated from marine bacterium Microbulbifer sp. strain SH1 (Alteromonadaceae), was incubated (24 h at 40 °C) with sodium alginate from brown algae (1 % in TRIS-HCl buffer, pH 9), or with related mannuronate and guluronate polymers (polyM and polyG), or with related saccharides with different polymerisation degrees (PD 1 – 4). TLC of reaction products as well as saccharides, on silica gel with n-butanol ­– acetic acid – water 3:2:2. Derivatization by spraying sulfuric acid (10 % in ethanol), followed by 5 min heating at 130 °C. The enzyme was active only on alginate and on polyM, cleaving them into oligomeric fragments (PD 2 – 4); it was inactive on polyG or on oligomers.

      Classification: 4e, 10
      129 030
      High‑performance thin‑layer chromatography method development and validation for quantification of glucuronic acid in gum samples of Sterculia urens Roxb.
      H. SAXENA*, S. PARIHAR, G. PAWAR, V. SAHU (*NWFP Section, SFM and AF Division, Tropical Forest Research Institute, Jabalpur, Madhya Pradesh 482021, India, hariomsaxena81@gmail.com)

      J. Planar Chromatogr. 35, 153-159 (2022). HPTLC of glucuronic acid in gum samples of Sterculia urens on silica gel with 1-propanol - water 7:3. Detection by spraying with napthoresorcinol sulfuric acid reagent, followed by heating at 105 °C for 5 min. Quantitative determination by absorbance measurement at 580 nm. The hRF value for glucuronic acid was 43. Linearity was between 300 and 700 ng/zone. Interday and intra-day precisions were below 2 % (n=3). Recovery was between 100.4 and 102.3 %.

      Classification: 10a, 11a
      129 002
      Imaging high-performance thin-layer chromatography as powerful tool to visualize metabolite profiles of eight Bacillus candidates upon cultivation and growth behavior
      S. KRUSE, F. PIERRE, Gertrud E. MORLOCK* (*Institute of Nutritional Science, and Interdisciplinary Research Centre for Biosystems, Land Use and Nutrition, Justus Liebig University Giessen, Giessen, Germany; gertrud.morlock@uni-giessen.de)

      J Chromatogr A, 1640, 461929 (2021). Study of the impact of different strains, culture media and parameters (temperature, time, rotational speed, and glucide and amino-acid supply) on the metabolite profile of bacteria. Samples were cultivation broths of Bacillus subtilis, B. licheniformis, B. pumilus and B. amyloliquefaciens, as well as their respective supernatant liquid-liquid extracts (apolar solvents only or QuEChERS method with acetonitrile and MgSO4 – NaCl mixture 4:1). HPTLC on silica gel (normal phase and RP-18), either as bands (for small volumes of extracts) or as areas for supernatants and bigger volumes of extracts. Extract areas were focused with a three-step procedure (up to 20mm with acetone, and twice with methanol); unextracted supernatants were focused twice with methanol and once with tetrahydrofuran, but the application zone of the plate had to be cut before development, due to the high matrix load. Development with ethyl acetate – methanol – water at different ratios after activation of the plate surface with magnesium chloride (33% relative humidity), evaluation in white light and UV. Detection of antibacterial compounds with Aliivibrio fischeri bioassay. Derivatization with primuline (for lipophilic substances) and diphenylamine aniline sulfuric acid reagent (for saccharides). This method allowed a fast comparison: A) of the patterns of the different strains (presence /absence and intensity of detected or antibacterial bands); B) of cultivation parameters: the number of metabolites increased with time, rotational speed (oxygen level), and at 37°C (vs. 30°C), whereas a minimal medium allowed the detection of more metabolites, due to the lower matrix load; C) of the impact of the extraction parameters: choice of the solvents (QuEChERS method had no advantage here), solvent – supernatant ratio (1:3 showed richer patterns than 1:1); D) of the HPTLC parameters used (better separation and resolution with normal phase vs. RP18 layers).

      Classification: 3a, 10a, 11c, 27
      128 091
      A new integrated HPTLC - ATR/FTIR approach in marine algae bioprofiling
      S. AGATONOVIC-KUSTRIN, G. RAMENSKAYA, E. KUSTRIN, D. BABAZADEH ORTAKAND, D.W. MORTON* (*School of Pharmacy and Biomedical Sciences, La Trobe University, Bendigo, Australia; ulrike.grienke@univie.ac.at)

      J. Pharm. Biomed. Anal. 189, 113488 (2020). Various extracts from red alga Plocamium dilatatum (Plocamiaceae), green alga Codium fragile tasmanicum (Codiaceae) and brown algae Carpoglossum confluens (1), Cystophora platylobium (2) and C. retorta (3) (Sargassaceae), Ecklonia radiata (Lessoniaceae), Hormosira banksia (Hormosiraceae), Phyllospora comosa (4) (Seirococcaceae) were separated on HPTLC silica gel with n-hexane – ethyl acetate – acetic acid 70:27:3. Detection A) for antioxidant activity by spraying with methanolic DPPH solution, followed by waiting for 30 min at room temperature; B) for steroids and terpenes with anisaldehyde - sulfuric acid solution, followed by heating for 10 min at 110°C; C) for carbohydrates and polyols with thymol - sulfuric acid, followed by heating for 15-20 min at 120°C. Image-based evaluation in white light and UV 366 nm. The most active bands were also characterized by ATR-FTIR (= attenuated total reflectance – Fourier-transformed infrared) spectroscopy.

      Classification: 10, 13, 14, 15, 24, 32e
      128 041
      Prebiotic potential and chemical characterization of the poly and oligosaccharides present in the mucilage of Opuntia ficus-indica and Opuntia joconostle
      J. CRUZ*, M. MUELLER, H. VIERNSTEIN, R. LOEPPERT, W. PRAZNIK (*Department of Pharmaceutical Technology and Biopharmaceutics, University of Vienna, Althanstrasse 14, A-1090 Vienna, Austria, jmcruz1982@gmail.com)

      Food Chem. 362, 130167 (2021). HPTLC of monosaccharides rhamnose, xylose, arabinose, mannose, glucose, galactose and sucrose in cladodes from Opuntia ficus-indica and Opuntia joconostle on silica gel with acetonitrile - 0.3 % ammonium hydroxide 17:3. Detection by dipping into thymol (0.2 %) and sulfuric acid (5 %) in methanol reagent, followed by heating at 95 °C for 2 min.

      Classification: 10a
      127 004
      New cytotoxic cycloartane triterpenes from the aerial parts of Actaea heracleifolia (syn. Cimicifuga heracleifolia)
      Q.-Q. SHI, W.-H. WANG, J. LU, D.-S. LI, L. ZHOU, Ming-Hua QIU* (*Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Science, Kunming, China; mhchiu@mail.kib.ac.cn)

      Planta Med. 85(2), 154-159 (2019). Two new cycloartane triterpene heterosides (cimiheraclein F and a shengmanol derivative) isolated from Actaea heracleifolia aerial parts (Ranunculaceae) were submitted to acid hydrolysis (HCl 0.4 M in methanol 60 %, 90°C, 2 h). The glycone moieties were purified and developed on TLC silica gel with ethyl acetate – chloroform – methanol – water 3:2:2:1. Detection after spraying with sulfuric acid 10 % in water and heating. The glycones were identified in both cases as L-arabinopyranose by comparison of the RF values (and of specific optical rotation) to a standard.

      Classification: 10a, 14, 32e
      126 042
      A validated method for the quantitative determination of sugars in honey using high‑performance thin‑layer chromatography
      M. ISLAM, T. SOSTARIC, L. LIM, K. HAMMER, C. LOCHER* (*Cooperative Research Centre for Honey Bee Products Limited (CRC HBP), Perth, Australia, connie.locher@uwa.edu.au)

      J. Planar Chromatogr. 33, 489-499 (2020). HPTLC of fructose (1), glucose (2) and sucrose (3) in honey on silica gel with 1-butanol-2-propanol - boric acid - water 3:5:1. Detection by spraying with 2 mL of aniline diphenylamine phosphoric acid reagent, followed by heating at 110 ºC for 10 min. The hRF values for (1) to (3) were 14, 32 and 27, respectively. Linearity was between 250 and 1250 ng/zone for (1) to (3). Intermediate precision was below 7 % (n=3). The LOD and LOQ were 22 and 67 ng for (1), 33 and 100 ng for (2) and 21 and 64 ng for (3), respectively. Average recovery was 100.7 % for (1), 101.4 % for (2) and 104.0 % for (3).

      Classification: 10a
      123 046
      Determination of sugar biomarkers in methanol root extracts of Asparagus species by High-Performance Thin-Layer Chromatography
      M. KAPOOR, R. GUPTA, P. MAWAL*, S. PRADHAN (*Department of Botany, Punjabi University Patiala, Punjab 147002, India, poojabc.786@gmail.com)

      J. Planar Chromatogr. 32, 109-114 (2019). HPTLC of fructose (1), glucose (2), maltose (3), raffinose (4) and sucrose (5) in the roots of the seven Asparagus species A. adscendens, A. racemosus, A. retrofractus, A. officinalis, A. densiflorus, A. falcatus, and A. sprengeri on silica gel with propanol - ethyl acetate - water 6:3:1. Detection by spraying with a methanolic solution of diphenylamine, aniline, and ortho-phosphoric acid, followed by heating at 140 °C for 2-3 min. Quantitative determination by absorbance measurement at 600 nm. The hRF values for (1) to (5) were 55, 50, 31, 11 and 46, respectively. Linearity was between 100 and 500 ng for (1) to (5). The intermediate precision was below 2 % (n=3). The LOD and LOQ were 22 and 66 ng for (1), 13 and 40 ng for (2), 51 and 155 ng for (3), 13 and 39 ng for (4) and 76 and 229 ng for (5), respectively. Average recovery was 97.9 % for (1), 99.9 % for (2), 99.3 % for (3), 98.3 % for (4) and 97.8 % for (5).

      Classification: 10a