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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      110 027
      Two-dimensional thin-layer chromatographic determination of phenolic antioxidants from Eupatorium cannabinum extracts on cyano-bonded polar stationary phases
      M. HAWRYT, R. NOWAK, Monika HAJNOS* (*Department of Inorganic Chemistry, Faculty of Pharmacy, Medical University of Lublin, Chodzki 4A, 20-093 Lublin, Poland, monika.hajnos@am.lublin.pl)

      J. Planar Chromatogr. 25, 394-402 (2012). 2D-HPTLC of kaempferol, quercetin, rutin, hyperoside, ferulic acid, gallic acid, caffeic acid, chlorogenic acid, chinic acid, p-coumaric acid, catechin, epicatechin, and resveratrol in the flowers of Eupatorium cannabinum on cyano phase with propan-2-ol mixed with n-heptane, and ethyl acetate mixed with n-heptane as non-aqueous mobile phases in the first direction and after turning the plate 90 ° with methanol mixed with water in the second direction of development. Detection by spraying with diphenylborinic acid 2-aminoethylester and PEG 4000 or DPPH radical reagent. Evaluation under UV 254 nm and 366 nm. The 2D-HPTLC system allowed the separation of the phenolic fractions.

      Classification: 7
      110 075
      An improved method for the extraction and quantitation of diosgenin in Tribulus terrestris L
      V. GHOSH, S. BHOPE*, V. KUBER, A. SAGULATE (*Department of Analytical Development (R&D), Tulip Lab Pvt. Ltd. F-20=21, MIDC Ranjangaon, Pune 412220, India, bshrinivas16@gmail.com)

      J. Liq. Chromatogr. Relat. Technol. 35, 1141-1145 (2012). HPTLC of diosgenin in various parts of Tribulus terrestris L. on silica gel with toluene - ethyl acetate - methanol 7:3:1. Detection by dipping in anisaldehyde reagent consisting of anisaldehyde - acetic acid - sulfuric acid - methanol 1:20:10:170, followed by heating at 110 °C for 2 min. Quantitative determination by absorbance measurement at 430 nm. The hRf value of diosgenin was 48 and selectivity regarding matrix was given. Linearity was between 50 and 240 ng/zone. The method provides acceptable intra-day and inter-day precision for diosgenin. The limits of detection and quantification were 2 and 7 ng/spot, respectively. Recovery (by standard addition) was 100.6 %. The method provided comparable results with HPLC.

      Classification: 32e
      110 094
      (Study on the thin-layer chromatographic fingerprint profiles of flavonoids in Microcos paniculata Linn
      J. LI (Li Jie)*, W. LUO (Luo Wenhui), J. YIN ( Yin Jianhua), ZH. TAN (Tan Zhican), S. LI (Li Sumei)* (*Guandong Provinc. Hosp. of Trad. Chinese Med., Guangdong, Guanzhou 510095, China)

      Jiangxi J. of Trad. Chinese Med. 43 (351), 67-68 (2012). Flavonoids are the main active component in dried leaves of Microcos paniculata Linn. This traditional Chinese herbal crude drug lowers the blood pressure and blood fat, prevents from cardiovascular diseases and anti-aging effects. In order to develop a quality control method for Microcos paniculata Linn. the reference substances vitexin, isovitexin and narcissoside were analyzed with 16 samples of Microcos paniculata Linn. available from different places of origin. TLC of the extracts of the drug samples and the reference substances on silica gel with ethyl acetate – methanol – water 100:17:13, detection by spraying with 10 %sulfuric acid in ethanol, followed by heating at 105 °C for 5 min and viewing in UV 366 nm. Densitometric analysis at 366 nm with a mercury lamp in reflection mode, a scanning speed of 20 mm/s and a resolution of 25 µm/step. Identification of the flavonoids in the samples to be tested by fingerprint comparison of both the fluorescence chromatograms and densitograms.

      Classification: 32e
      110 116
      Devil’s Claw - A review of the ethnobotany, phytochemistry and biological activity of Harpagophytum procumbens
      N. MNCWANGI, W. CHEN (Wei Yang Chen), I. VERMAAK, A. VILJOEN*, N. GERICKE (*Department of Pharmaceutical Sciences, Faculty of Science, Tshwane University of Technology, Private Bag X680, Pretoria 0001, SouthAfrica, viljoenam@tut.ac.za)

      J. Ethnopharmacol. 138, 755-771 (2012). HPTLC studies of Harpagophytum procumbens such as the quantification of harpagoside were reviewed. HPTLC of harpagoside in the roots of Harpagophytum procumbens on silica gel with dichloromethane – methanol – acetic acid 79:20:1. Detection by dipping into anisaldehyde – methanol – acetic acid – sulphuric acid 1:170:20:10, followed by heating at 120 °C for 5 min. Quantitative determination by absorbance measurement at 285 nm. HPTLC provides comparable results with HPLC but is less time consuming.

      Classification: 32e
      110 142
      An HPTLC–densitometry method for the quantification of pharmacologically active alkaloids in Sceletium tortuosum raw material and products
      E. SHIKANGA, I. VERMAAK, A. VILJOEN* (*Tshwane University of Technology, Private Bag X680, Pretoria, 0001, South Africa; viljoenam@tut.ac.za)

      J. Planar Chromatogr. 25, 283-289 (2012). HPTLC of mesembranol (1), mesembrenol (2), mesembrine (3) and mesembrenone (4) in the aerial parts of Sceletium tortuosum on silica gel with dichloromethane - methanol 9:1 + 1 drop ammonia. Quantitative determination by absorbance measurement at 280 nm. The hRf values for compounds (1) to (4) were 8, 28, 60 and 71, respectively. Linearity was in the range of 180-240 ng/band for (1) to (3) and 60-300 ng/band for (4). Limits of detection and quantification were 25 and 75 ng/band for (1), 31 and 95 ng/band for (2), 27 and 80 ng/band for (3) and 18 and 44 ng/band for (4), respectively. The intermediate/inter-day/intra-day precision was below 1.6 %. Mean recovery for the compounds was between 90.1 and 104.7 %.

      Classification: 32e
      110 163
      (Approach of the identification of Weijianning capsules by thin-layer chromatography) (Chinese)
      F. XU (Xu Feng)*, D. WU (Wu Dongpeng), CH. WANG (Wang Chun) (*Guangdong Vocational Coll. of Food & Drug, Guangdong, Guangzhou 510520, China)

      Chinese J. of Guide for Trad. Chinese Med. & Pharm. 18 (5), 80-81 (2012). Weijianning capsules, a herbal TCM preparation for tonifying spleen and invigorating the stomach, is prescribed clinically to treat superficial, erosive and atrophic gastritis. Presentation of a TLC method for the quality control of the preparations optimized by investigating the sample extraction procedure and the mobile phases employed. TLC of the extracts on silica gel 1) for Radix Scrophulariae with ethyl acetate – ethanol – water 20:5:3, detection by spraying with a solution of 3 g vanillin – 100 mL ethanol – 0.5 mL sulfuric acid and heating at 105 °C until the zones were clearly visualized, evaluation in daylight; 2) for Fructus Amomi with n-hexane - ethyl acetate 3:1, detection by spraying with 10 % sulfuric acid in ethanol and heating at 105 °C until the zones were clearly visualized, evaluation in daylight. Identification by fingerprint comparison in parallel with the individual standard components.

      Classification: 32e
      111 019
      Identification of polyphenolic compounds in Rheum officinale Baill
      I. SCHELLENBERG, Kathrin KABRODT* (*Hochschule Anhalt, Center of Life Sciences, AG Institut für Bioanalytische Wissenschaften, Strenzfelder Allee 28, 06406 Bernburg, Germany, k.kabrodt@loel.hs-anhalt.de)

      by TLC-MS-coupling. CBS 109, 5-7 (2012). HPTLC of Rheum root extracts on silica gel (pre-washed with isopropanol, activated for 30 min at 120 °C) with toluene - ethyl acetate - formic acid 5:4:1 for fraction (1), 4:5:1 for fractions (2) to (6), 3:6:1 for fraction (7), 3:7:1 for fraction (8) and 2:7:1 for fractions (9) and (10). Detection under white light and UV 366 nm after dipping in 1 % ethanolic vanillin solution for 3 s, drying, heating at 63 °C for 5 min and exposure to 37 % HCl vapors. Elution of target zones by TLC-MS Interface, flow rate 0.1 mL/min, for ESI MS in negative mode.

      Classification: 7
      111 070
      (Study of the method for the qualitative and quantitative analysis of Jiannao Bushen PiIls) (Chinese)
      H. GAO (Gao Hui)*, X. MA (Ma Xiaojun), Y. LIN (Lin Yongqiang), H. YOU (You Huilian), L XU (Xu Lihua) (*Shandong Inst. for Drug Contr., Shandong, Jinan 250101, China; 2. Inst. of Medicinal Plant Develop., Beijing Union Med. Univ., Chinese Acad. of Med. Sci., Beijing 100094, China)

      Chinese J. of Lishizhen Trad. Med. & Pharm. 23 (1), 176-178 (2012). Jiannao Bushen Pills are a traditional Chinese compound preparation effective for brain-strengthening, tonifying kidney, replenishing Qi to invigorate the spleen, relieve uneasiness of mind and body tranquilization. TLC on silica gel 1) for Angelica sinensis, with petroleum ether (60-90 ºC) – ethyl acetate 4:1, detection at UV 366 nm; 2) for Fructus Forsythiae, with petroleum ether (30-60 ºC) – methanol 20:1, detection by exposure to ammonia vapors for 15 min, then spraying with 10 % sulfuric acid in ethanol and heating at 105 °C, viewing under daylight; 3) for Cinnamomum cassia and cassia twig, with petroleum ether (60-90 ºC) – ethyl acetate17:3, detection by spraying with 0.4 % 2,4-dinitrophenylhydrazine in 12N hydrochloric acid and viewing under daylight; 4) for bighead atractylodes rhizome, with petroleum ether (60-90 ºC) – ethyl acetate 50:1, detection by spraying with 0.5 % p-dimethylaminobenzaldehyde in ethanol – sulfuric acid 5:1 and viewing under daylight; 5) for Radix Ginseng rubra, with chloroform – methanol – water 13:7:2, detection by spraying with 10 % sulfuric acid in ethanol and heating at 105 °C, viewing under daylight.

      Classification: 32e
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