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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      130 123
      Enantioresolution of three β‑blockers using l‑glutamic acid as chiral selector by thin‑layer chromatographic methods
      R. VYAS, V. VASHISTHA, A. SHARMA, R. KUMAR, S. BHARDWAJ, J. MEENA, H. GUPTA, H. NAGAR* (*School of Applied Sciences, Suresh Gyan Vihar University, Jaipur, Rajasthan 302017, India, hariomnagariitr@gmail.com)

      J. Planar Chromatogr. 35, 533-541 (2022). HPTLC of three β-blockers, namely, (RS)-pindolol (1), (RS)-alprenolol (2), and (RS)-sotalol (3) on silica gel mixed with L-Glu as chiral selector, and methanol - acetonitrile - water - dichloromethane 9:3:4:1 as mobile phase. Detection by exposure to iodine vapor. The hRF values for (1) to (3) were 48, 44 and 55, respectively. The LOD was found within 1.3-1.7 µg/zone for (1) to (3). Recovery was between 96.3 and 98.7 % for the enantiomers.

      Classification: 38
      130 125
      Concurrent quantification of oleanolic acid, β‑sitosterol and lupeol by a validated high‑performance thin‑layer chromatography method in Urginea indica Kunth bulb
      M. CHAUDHARY, A. MISRA, M. KUMAR, S. SRIVASTAVA* (*Pharmacognosy Division, CSIR-National Botanical Research Institute, Lucknow, U.P. 226001, India, sharad_ks2003@yahoo.com)

      J. Planar Chromatogr. 35, 411-420 (2022). HPTLC of oleanolic acid (1), β‑sitosterol (2) and lupeol (3) in Urginea indica with toluene - ethyl acetate - methanol - acetone 35:10:1:1. Detection by dipping into aninsaldehyde sulfuric acid. Quantitative determination by absorbance measurement at 530 nm. The hRF values for (1) to (3) were 44, 55 and 68, respectively. Linearity was between 200 and 1000 ng/zone for (1) and (2) and 100 and 500 ng/zone for (3). Interday and intra-day precisions were below 4 % (n=3). Average recovery was 101.8 % for (1), 98.7 % for (2) and 100.2 % for (3).

      Classification: 14
      130 126
      Development and validation of a high‑performance thin‑layer chromatography densitometric method for the simultaneous determination of novel 1‑acridinyl‑1,2,3‑triazole derivatives
      G. HAFEZ*, A. ABORAIA, A. MOHAMMAD, A. YOUSSEF (*South Egypt Cancer Institute, Assiut 171516, Egypt, gehanahmed@aun.edu.eg)

      J. Planar Chromatogr. 35, 349-362 (2022). HPTLC of 1‑acridinyl‑1,2,3‑triazole derivatives (compounds 6 to 10) on silica gel with chloroform - methanol 9:1 for compounds (6) to (8) and hexane - ethyl acetate 3:2 for compounds (9) and (10). Quantitative determination by absorbance measurement at 254 and fluorescence measurement at 254/>362 nm. The hRF values for (6) to (10) were 38, 29, 46, 36 and 65, respectively. Linearity was between 50 and 330 ng/zone for (6), 30 and 330 ng/zone for (7), 120 and 420 ng/zone for (8), 75 and 500 ng/zone for (9) and 100 and 500 ng/zone for (10). Interday and intra-day precisions were below 5 % (n=3). The LOD and LOQ were 16 and 48 ng/zone for (6), 11 and 33 ng/zone for (7), 51 and 155 ng/zone for (8), 21 and 63 ng/zone for (9) and 32 and 96 ng/zone for (10).

      Classification: 23e
      130 127
      Simultaneous quantitative analyses of five constituents in crude and salt‑processed Cuscutae Semen using a validated high‑performance thin‑layer chromatography method
      Y. SHI (Shi Yun), J. JIN (Jin Junjie), C. XU (Xu Changli), Y. LIANG (Liang Yusha), X. LIU (Liu Xiao), X. GAO (Gao Xun), K. QIN (Qin Kunming)*, W. LI (Li Weidong) (*School of Pharmacy, Jiangsu Ocean University, Lianyungang 222005, People’s Republic of China, qinkm123@126.com)

      J. Planar Chromatogr. 35, 421-430 (2022). HPTLC of rutin (1), chlorogenic acid (2), hyperin (3), isoquercitrin (4) and astragalin (5) on silica gel with ethyl acetate - formic acid - water - toluene 18:2:2:1. Quantitative determination by absorbance measurement at 318 nm. Linearity was between 33 and 1139 ng/zone for (1), 13 and 1048 ng/zone for (2), 14 and 1110 ng/zone for (3), 1 and 298 ng/zone for (4) and 2 and 711 ng/zone for (5). The LOD and LOQ were 4 and 14 ng/zone for (1), 3 and 13 ng/zone for (2), 3 and 14 ng/zone for (3), 1 and 5 ng/zone for (4) and 2 and 9 ng/zone for (5), respectively. Average recovery was 100.0 % for (1), 98.6 % for (2), 96.6 % for (3), 94.7 % for (4) and 98.1 % for (5).

      Classification: 8a
      130 128
      High‑performance thin‑layer chromatography (HPTLC) method for analysis of secondary metabolites of Semiaquilegiae Radix
      L. CHEN (Chen Li), S. WANG (Wang Sheng), H. YUAN (Yuan Heng), J. YANG (Yang Jun), M. MENG (Meng Mei), Z. ZHAN* (Zhan Zhilai) (*The First Affiliated Hospital of Anhui University of Traditional Chinese Medicine, 230031 Hefei, China, 46784412@qq.com)

      J. Planar Chromatogr. 35, 403-410 (2022). HPTLC of β-sitosterol (1), ferulic acid (2), berberrubine (3), griffonilide (4) and lithospermoside (5) in Semiaquilegia adoxoides on silica gel with cyclohexane - ethyl acetate 3:1 for (1), toluene - ethyl acetate - methanol - formic acid 50:40:5:12 for (1) and (2), n-butanol - acetic acid - water 21:3:6 for (3) and  chloroform - methanol - water 12:6:1 for (3) to (5). Detection of (1) and (2) by spraying with 10 % sulfuric acid in ethanol, followed by heating at 105 °C. Analysis under UV light at 254 and 366 nm.

      Classification: 8b, 13c
      130 132
      A validated method for the thin‑layer chromatographic in situ autofluorescence densitometric quantitation of the benzylisoquinoline alkaloids berberine and sanguinarine
      N. ESTRADA, M. MONFORTE, Z. ESCOBAR, A. CORDOVA, F. VASQUEZ* (*Unidad de Bioquímica y Biología Molecular de Plantas, Centro de Investigación Científica de Yucatán, 97205 Mérida, Yucatán, Mexico, felipe@cicy.mx)

      J. Planar Chromatogr. 35, 375-381 (2022). HPTLC of benzylisoquinoline alkaloids sanguinarine (1) and berberine (2) in Argemone mexicana on silica gel with benzene - ethanol 47:3 for (1) and n-butanol - water - ammonia 8:1:1 for (2). Quantitative determination by absorbance measurement at 365 nm. The hRF values for (1) and (2) were 36 and 32, respectively. Linearity was between 10 and 40 ng/zone for both (1) and (2). Interday and intra-day precisions were below 1 % (n=3). The LOD and LOQ were 1 and 4 ng/zone for both (1) and (2). Recovery was between 92.7 and 93.5 %.

      Classification: 22
      130 133
      A developed high‑performance thin‑layer chromatography method for the determination of baicalin in Oroxylum indicum L. and its antioxidant activity
      S. ADIN*, I. GUPTA, A. AHAD, M. AQIL, M. MUJEEB (*Phytomedicine Laboratory, Department of Pharmacognosy & Phytochemistry, School of Pharmaceutical Education & Research, Jamia Hamdard, New Delhi 110062, India, aqilmalik@yahoo.com)

      J. Planar Chromatogr. 35, 383-393 (2022). HPTLC of baicalin in the stem barks of Oroxylum indicum on silica gel with acetone - ethyl acetate - water - formic acid 4:20:1:1. Quantitative determination by absorbance measurement at 318 nm. The hRF value for baicalin was 49. Linearity was between 0.2 and 1.0 µg/zone. Interday and intra-day precisions were below 1 % (n=3). The LOD and LOQ were 56 and 188 ng/zone. Average recovery was 99.2 %.

      Classification: 8a
      130 136
      Complementary developing solvents for simpler and more powerful routine analysis by high‑performance thin‑layer chromatography
      Tien DO*, M. SCHMID, I. TRETTIN, M. HäNNI, E. REICH (*CAMAG, Sonnenmattstrasse 11, 4132 Muttenz, Switzerland, tien.do@camag.com)

      J. Planar Chromatogr. 35, 299-311 (2022).  HPTLC of powdered herbal drugs and finished products (leaves of Mentha piperita, Olea oleuropea, Ginkgo biloba and Camellia sinensis, fruits of Styphnolobium japonicum and Piper nigrum, roots of Angelica species (A. gigas, A. sinensis, A. dahurica, A. acutiloba, and A. pubescens, Curcuma longa and poly-herbal products containing powdered extracts of Curcuma longa root and Piper nigrum fruits) on silica gel with three complementary developing solvents (CDS): low polar developing solvent (toluene - ethyl acetate 9:1); medium polar developing solvent (cyclopentyl methyl ether - tetrahydrofuran - water - formic acid 40:24:1:1); and high polar developing solvent (ethanol - dichloromethane - water - tetrahydrofuran 16:16:4:1). Detection by heating at 100 °C for 3 min, followed by spraying with NP reagent (1.0 g of 2-aminoethyl diphenylborinate in 100 mL of methanol). For Olea oleuropea and Ginkgo biloba, the derivatization with NP was followed by spraying with anisaldehyde sulfuric acid reagent and heating at 100 °C for 3 min. Analysis was performed under UV light at 254 and 366 nm. Performance of the Universal HPTLC mix (UHM) was assessed in terms of precision. The hRF values for all substances were between 20 and 80. 

      Classification: 3d
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