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
  • Browse and search by CBS classification: Select one of the 38 CBS classification categories where you want to search by a keyword
  • Keyword register: select an initial character and browse associated keywords
  • Search by CBS edition: Select a CBS edition and find all related publications

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. You can export your saved items to PDF by clicking the download icon.

      77 061
      Cyclic hydroxamic acids in Dicotyledonous plants
      K. PRATT, R. KUMAR, W.S. CHILTON*, (*Dept. of Botany, North Caroline State Univ., Raleigh, NC 27695, USA)

      Biochemical Systematics and Ecology 23, 781-785 (1995). TLC of hydroxamin acids on silica with hexane - acetone mixtures. Visualization under UV 254 nm and by dipping into 5 % methanolic FeCl3 or phosphomolybdic acid reagent.

      Classification: 11a
      81 041
      Unusual fatty acids in compositae
      N. TSEVEGSöREN, K. AITZETMöLLER*, K. VOSMANN,(*Inst. Chem. & Phys. of Lipids, BAGKF, Piusallee 76, D-48147 Münster, Germany)

      seed oils. J. High Resol. Chromatogr. 20, 315-320 (1997). TLC of oils and fatty acid methyl esters (FAME) on silica gel with hexane - ether 7:3 or 8:2. Detection by spraying with phosphomolybdic acid (5% in ethanol) and heating at 100°C. Preparative TLC on silica gel impregnated with 100% silver nitrate in acetonitrile, with hexane - ether - acetic acid 90:9:1. Detection by spraying with 2,7-dichlorofluorescein and under UV. Analysis by GLC after elution. Identification by GC/MS and IR.

      Classification: 4e, 11a
      87 019
      Visualizing agents for esters of higher fatty acids in TLC
      W. WARDAS*, A. PYKA, (*Silesian Acad. of Med., Fac. of Pharm., 4 Jagiellonska Street, PL-41200 Sosnowiec, Poland)

      J. Planar Chromatogr. 14, 8-15 (2001). TLC of fatty acid esters on silica gel resp. silica gel/kieselguhr with hexane - acetone 49:1 and on aluminium oxide with hexane - acetone 100:1. 18 new agents have been used for visualizing 8 esters of higher fatty acids. Limits of detection (detectability, D), detectability index, and broadening index were determined for the esters after use of the visualizing agents. Bromophenol blue was the best and most universal detection agent.

      Keywords:
      Classification: 3e, 11a
      90 024
      Novel compounds from Piper methysticum Forst (Kava Kava) roots and their effect on cyclooxygenase enzyme
      D. WU, M.G. NAIR*, D.L. DeWITT, (*Bioactive Natural Products and Phytoceuticals, Dept. of Horticulture and Natural Food Safety and Toxicology Center, and Dept. of Biochem., Michigan State Univ., East Lansing, Michigan 48824, USA)

      J. Agric. Food Chem. 50, 701-705 (2002). Preparative TLC of 3,4-methylenedioxy cinnamic acid, cinnamic acid, pinostrobin, flavokawain, 5,7-dimethoxyflavanone on silica gel with hexane - acetone 4:1; 2 x 8:1, toluene - ethyl acetate 13:1, and hexane - ethyl acetate 8:1, 8:3. Detection under UV 254 and 366 nm.

      Keywords:
      Classification: 8a, 11a
      92 035
      Investigation of a homologous series of fatty acids by TLC
      A. PYKA*, K. BOBER, (*Silesian Acad. of Med., Fac. of Pharm., Dept. of Anal. Chem., 4 Jagiellonska Street, PL 42-200 Sosnowiec, Poland)

      Part III. Application of terms describing the separation of homologous series of saturated fatty acids in TLC. J. Planar Chromatogr. 16, 303-307 (2003). HPTLC of 19 fatty acids (from pentanoic to tricosanoic acid) on RP-18, with and without concentrating zones. The best chromatographic conditions for separation were on RP-18 without concentrating zone with methanol - water 9:1, 19:1 and ethanol - water 9:1, and on RP-18 with concentrating zone with methanol - water 9:1 and 19:1, 100% ethanol and ethanol - water 9:1 and 19:1. Visualization by exposure to iodine vapor. Optimization of separation conditions.

      Keywords:
      Classification: 11a
      94 029
      Selective extraction of caffeic acid derivatives from Orthosiphon stamineus Benth
      Neli-Kinga OLAH*, D. HANGANU, R. OPREAN, C. MOGOSAN, N. DUBEI, S. GOCAN (*SC Plantextract SRL, 407059-Radaia, Cluj, Romania)

      (Laminaceae) leaves. J. Planar Chromatogr. 17, 18-21 (2004). TLC of polyphenols and rosmarinic acid on silica gel with 1) toluene - methyl acetate - formic acid 5:4:1; 2) ethyl acetate - methanol - water 77:13:10; 3) ethyl acetate - diethyl ether 8:2. Detection a) at 254 nm, b) in fluorescence after spraying with Neu-PEG reagent, and c) in visible light after spraying with 10 % iron(III) chloride solution. Quantitative determination by densitometry at 254 nm and spectra recording from 200 to 500 nm for identification.

      Classification: 7, 11a
      104 027
      Pre-staining paper chromatography method for quantification of gamma-aminobutyric acid
      H. LI (Li Haixing)*, T. QIU (Qiu Ting), Y. CAO (Cao Yusheng), J. YANG (Yang Jiyan), Z. HUANG (Huang Zhibing) (*Sino-German Joint Research Institute, Nanchang University, Nanchang 330047, China)

      J. Chromatogr. A 1216 (25), 5057-5060 (2009). Paper chromatography of gamma-aminobutyric acid. The method consists of application, separation and detection and is clean, rapid, inexpensive and reproducible compared to the routine paper chromatography. The derivatization procedure with ninhydrin reagent was optimized regarding reagent concentration, derivatization temperature and time and Cu2+ concentration. Quantification of gamma-aminobutyric acid by combination of with Vis spectrophotometry. The limit of detection was 0.05 mg/mL and the linear range was from 0.5 to 20.0 mg/mL. The determination coefficient was r2 = 0.998. The method was accurate (%RSD < 2.6 %), and recoveries were 102.7-103.9 %.

      Classification: 11a
      106 047
      High-performance thin-layer chromatographic method for quantification of betulinic acid in extracts of leaves of Orthosiphon stamineus benth
      K. HUSSAIN*, Z. ISMAIL, A. SADIKUN (*Dept. of Pharmaceutical Chem. School of Pharmaceutical Science, University Sains Malaysis, Pulau Pinang 11800, Malaysia, hussain_761@yahoo.com)

      Asian Journal of Chemistry 23(2), 977-979 (2011). Part of the aqueous extract of Orthosiphon stamineus (Lamiaceae) was chromatographed on a silica gel column and eluted with n-hexane - ethyl acetate 3:2. The eluate was concentrated in order to obtain betulinic acid for use as standard solution. TLC on silica gel with n-hexane - ethyl acetate - formic acid 150:100:1. For derivatization the plate was sprayed with anisaldehyde reagent followed by heating at 100 °C for 10 min. Quantification of betulinic acid by densitometric measurement in fluorescence mode at 366 nm. The method was linear in the range of 0.2-500 µg/band. The recovery was 96.1-98.4 %.

      Classification: 11a