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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      105 116
      Validation and determination of possible catechins present in Camellia sinensis collected from different place of India
      N. SURYAVAMSA*, S. MANIMARAN, G. ARUN, K. NITHYA, S. DHANBAL, T. PRAVEEN (*J.S.S. College of Pharmacy, Dept of Phytopharma & Phytomedicine, TIFA CORE HD, Mysore, T.N., India)

      International Seminar on Herbal Drug Research, PN-024 (2009). HPTLC of catechins and epicatechin in leaves of tea (Camellia sinensis on silica gel with toluene - ethyl acetate - formic acid 7:5:1. Quantitative determination by absorbance measurement at 254 nm. The leaves were found to contain 10-24 % of total polyphenols.

      Classification: 7, 32e
      106 159
      Heavy metal analysis of various parts of Ficus mollis (vahl) by HPTLC
      S. MUNNA*, K. JAYAVEERA, C. CHETTY, K. GNANAPRAKASH, K. ADINARAYANA (*Annamacharya College of Pharmacy, Rajampet, A.P., India, sreenivasulu_munna@yahoo.com)

      International Journal of ChemTech Research 2(2), 807-812 (2010). Chloroform and ethyl acetate extracts of leaves and bark of Ficus mollis (Moraceae) were subjected to TLC fingerprint profiling on silica gel with toluene - ethyl acetate - formic acid 16:2:1. Evaluation under UV 254 nm. Derivatization with vanillin-sulfuric acid reagent, followed by heating at 105 °C until colorization. In the bark 7 well-defined zones were observed, whereas in leaves 10 zones were observed. Heavy metal and mineral analysis was performed by atomic absorption spectroscopy.

      Classification: 32e
      107 129
      Simultaneous HPTLC analysis of aspirin, atorvastatin calcium and clopidogrel bisulphate in the bulk drug and in capsules
      S.V. LONDHE*, S.V. MULGUND, R.S. DESHMUKH, K. S. JAIN (*Sinhgad College of Pharmacy, Dep. of Pharm. Chem., Vadgaon, Pune 411041, India)

      Acta Chromatographica 22 (2), 297-305 (2010). Description of a simple, precise, and accurate method for simultaneous quantification of aspirin, atorvastatin calcium and clopidogrel bisulphate by HPTLC on silica gel with toluene – methanol - formic acid 65:35:1. The hRf values were 26, 47, and 78 for aspirin, atorvastatin calcium, and clopidogrel bisulphate, respectively. Quantification by densitometry at 254 nm. The precision intra-day and inter-day was in the ranges of 0.2–0.7 %RSD and 0.5–1.0 %RSD for aspirin, 0.4–0.9 %RSD and 0.4–0.6 %RSD for atorvastatin calcium, and 0.3–0.7 %RSD and 0.4–0.9 %RSD for clopidogrel bisulphate.

      Classification: 32e
      107 151
      Simultaneous quantification of diterpenoids in Premna integrifolia using a validated HPTLC method
      D. YADAV, N. TIWARI, M. GUPTA* (*Analytical Chemistry Department, Central Institute of Medicinal and Aromatic Plants, Uttar Pradesh 226015, India, guptammg@rediffmail.com)

      J. Sep. Sci. 34, 286-291 (2011). HPTLC of 1beta,3alpha,8beta-trihydroxy-pimara-15-ene (1), 6alpha,11,12,16-tertahydroxy-7-oxo-abieta-8,11,13-triene (2) and 2alpha,19-dihydroxy-primara-7,15-diene (3) in the root bark of Premna integrifolia on silica gel with hexane – acetone – ethyl acetate 3:1:1. Detection by dipping into vanillin-sulfuric acid reagent (2 g vanillin in 190 mL ethanol with 10 mL sulfuric acid) followed by air drying and heating for 3 min at 110 °C. Quantitative determination by absorbance measurement at 475 nm. The hRf values of (1), (2) and (3) were 58, 44, and 32, respectively and selectivity regarding matrix was given. Linearity was between 1-10 µg/spot for (1), (2) and (3), respectively. The limits of detection were found to be 230, 106 and 336 ng/band for compounds (1), (2) and (3), respectively, whereas the limits of quantification were 769, 354 and 1122 ng/band, respectively. Inter- and intraday precisions were 0.9-1.3 % and 1.1-1.2 %, respectively. The average recoveries for compounds (1) to (3) were found to be 100.6, 103.9 and 97.6 %, respectively, within the acceptable %RSD.

      Classification: 32e
      108 092
      HPTLC fingerprinting of different leaf extracts of Tylophora indica (Burm f
      M. GUPTA, M. SINGH, H. MUKHATR, S. AHMAD* (* Faculty of Pharmacy, Jamia Hamdard, New DElhi, India)

      PHCOG J. 2(11), 381-385 (2010). TLC of Tylophora indica leaves, extracted with petroleum ether, chloroform and methanol, on silica gel with 1) n-hexane - ethyl acetate 2:3 for the petroleum ether extract, 2) chloroform - ethyl acetate - methanol 18:1:1 for the chloroform extract, and 3) chloroform - toluene - ethyl acetate 18:1:1 for the methanolic extract. Evaluation under UV 254 nm and 366 nm. 12 prominent bands were observed in all chromatographic fingerprints. The method is suitable for identification and authentication of the plant material.

      Classification: 32e
      108 116
      Chemical fingerprinting of Turnera diffusa and closely related genera by high-performance thin-layer chromatography
      A.S. RAO*, J. SHAO, T.J. SMILLIE, I.A. KHAN (*National Center for Natural Products Research, Research Institute of Pharmaceutical Sciences, The University of Mississippi, University, MS 38677, USA)

      Planta Med. 74, 352-353 (2008). HPTLC of tetraphyllin, turneradiffusin, beta-arbutin, terniflorin, echinaticin, turneradin and methanolic extracts of Turnera diffusa on silica gel with ethyl acetate - acetic acid - water 190:10:1. Quantitative determination by densitometric absorbance measurement at 254 nm.

      Classification: 32e
      108 142
      Simultaneous analysis of hydrophilic and lipophilic compounds in Salvia miltiorrhiza by double-development HPTLC and scanning densitometry
      J. YANG (Yang Jing), L.-L. CHOI (Choi Lei-lei), D.-Q. LI (Li De-Qiang), F.-Q. YANG (Yang Feng-Qing), L.-J. ZENG (Zeng Ling-Jie), J. ZHAO (Zhao Jing), S.-P. LI (Li Shao-Ping)* (*State Key Laboratory for Quality Research in Chinese Medicine and Institute of Chinese Medical Sciences, University of Macau, Macao SAR, China; Lishaoping@hotmail.com)

      J. Planar Chromatogr. 24, 257-263 (2011). HPTLC of hydrophilic and lipophilic constituents of Salvia miltiorrhiza and standards protocatechuic acid and aldehyde, salvianolic acid A and B, dihydrotanshinone I, rosmarinic acid, caffeic acid, cryptotanshinone, tanshinone II A, tanshinone I, and miltirone on silica gel with dichloromethane - ethyl acetate - formic acid 11:12:5 for the first development and petroleum ether - ethyl acetate - cyclohexane 15:11:14 for the second development with chamber saturation for 30 min. The first mobile phase separated the hydrophilic constituents salvianolic acid B, salvianolic acid A, rosmarinic acid, caffeic acid, protocatechuic acid, and protocatechuic aldehyde. Detection under UV light at 254 and 365 nm. After documentation the plates were placed in a second chamber and development with the low polarity mobile phase which separated dihydrotanshinone I, cryptotanshinone, tanshinone I and II A, and miltirone. Detection under UV light at 254 and 365 nm. Quantitative determination by densitometry in absorbance mode at 260 or 290 nm. The linear range was between 0.1-0.3 and 0.7-8.3 µg/zone. Instrumental precision was less than 4 % (n = 6). Precision on one plate was below 5 % (n = 6) and on different plates below 14 %. Depending on the substance, the limits of detection and quantification were between 14-22 and 69-276 ng/zone, respectively. The repeatability (n = 6) was between 1.3-3.4 %. Some of the compounds had similar hRf values: for rosmarinic acid 44, for salvianolic acid 43, for caffeic acid 49, for protocatechuic acid 49, for dihydrotanshinone 65 and for cryptotanshinone 63. Additional detection by spraying with 5 % sulfuric acid in ethanol.

      Classification: 32e
      109 088
      Development and validation of an HPTLC method for the analysis of oleanolic acid from the roots of Helicteres isora Linn
      P.A. HARDE*, D.R. SHAH, B.N. SUHAGIA, M.B. SHAH (*Pithawalla Institute of Pharmaceutical Science and Research, Dumas Road, Surat-395007, Gujarat, India; pinalharde@gmail.com)

      J. Planar Chromatogr. 24, 503-506 (2011). HPTLC of oleanolic acid in extracts of dried roots on silica gel with toluene - ethyl acetate - glacial acetic acid 70:30:1 in a saturated twin-trough chamber. Detection by spraying with anisaldehyde-sulfuric acid reagent and heating in an oven at 110 °C for 5 min. Quantification was performed by immediate densitometric absorbance measurement at 529 nm. The average recovery was 98.9 %. LOD and LOQ were 10 and 30 ng/zone, respectively. The hRf value was 58. Linearity was between 100 and 1000 ng/zone. Precision (%RSD) was 1.4 %.

      Classification: 32e
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