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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Chinese J. of Ethnomed. & Ethnopharm. 23, 61-62 (2010). Preparation of the samples by extracting Saururus chinensis (Lour.) Baill with methanol - 25 % hydrochloric acid 4:1 and sonication for 1 h (these were the best conditions of five different solvent compositions and different sonication times investigated). TLC of the obtained extracts on silica gel with 1) petroleum ether (60-90 ºC) - acetone 5:2, detection by spraying with 10 % sulfuric acid in ethanol and heating at 105 ºC; 2) toluene - ethyl acetate - formic acid 5:2:1, detection by spraying with 1 % aluminium chloride in ethanol and evaluation under UV 366 nm; 3) hexane - ethyl acetate - formic acid 70:50:8, detection by spraying with 1 % aluminium chloride in ethanol and heating at 105 ºC, detection under daylight and UV 366 nm; 4) toluene - ethyl acetate - formic acid 5:4:1 saturated with hydrochloric acid, detection under daylight and UV 366 nm. System 4) provided the best separation and was most practical. Identification of quercetin by fingerprint comparison with the standard.
J. Planar Chromatogr. 25, 420-425 (2012). HPTLC of juglone (1), quercetin (2), myricetin (3), rutin (4), caffeic acid (5), and gallic acid (6) in the stem bark of Juglans regia L. on RP-18 with methanol - water - formic acid - acetic acid 61:58:3:3. Quantitative determination by absorbance measurement at 254 nm. The hRf values of compounds (1) to (6) were 16, 20, 31, 42, 55 and 78, respectively. Linearity was in the range of 13-800 ng/zone for (1) and (5), 100-1000 ng/zone for (2) and (6) and 50-800 ng/zone for (3) and (4). Limits of detection and quantification were 4 and 13 ng/zone for (1) and (5), 30 and 100 ng/zone for (2), 15 and 50 ng/zone for (3), (4) and (5), respectively. The intra-day and inter-day precisions for compounds (1) to (6) were in the range of 0.6-1.3 % and 0.5-1.9 %, respectively. Average recovery was between 98.6 and 101.1 %.
J. of China Pharm. 20 (1), 18-20 (2011). Guanxin Shengmai oral liquid is a herbal TCM preparation for promoting the secretion of saliva or body fluid and invigorating the circulation of blood. TLC of the extracts of the preparations 1) for Radix Paeoniae Rubra, on silica gel plates developed with chloroform – acetone 4:1, detection by spraying with 10 % sulfuric acid in ethanol and heating mildly, viewing under daylight; 2) for Ophitopogin japonicum (L.f) Ker-Gawl, on silica gel with chloroform – ethyl acetate – methanol – formic acid 200:25:50:1, detection by spraying with 5 % vanillin in ethanol – sulfuric acid 4:1 and heating mildly, viewing under daylight; 3) for Ginseng and Panax notoginseng (Burk.) F.H.Chen, on silica gel with the lower phase of chloroform – methanol – water 13:7:2 at 2-10 °C, detection by spraying with 10 % sulfuric acid in ethanol and heating at 105 °C, viewing under daylight; 4) for Schisandra Chinensis Turcz. Baill, on silica gel with petroleum ether (30-60 ºC) – formyl acetate – formic acid 10:5:1, detection by viewing under UV 254 nm.
J. Liq. Chromatogr. Relat. Technol. 35, 1429-1443 (2012). Comprehensive HPTLC profiling of sugars, sugar alcohols, amino acids, flavonoids, and phenolic acids as well as further bioactive and antioxidative compounds in the Indian natural efficiency enhancer herbs Hippophae rhamnoides, Valeriana wallichii, Triticum aestivum, and fungus Cordyceps sinensis. HPTLC on silica gel with different mobile phases: for sugars, n-butanol–- isopropanol – acetic acid – boric acid solution 6:14:1:3, for amino acids, n-butanol – ammonia (25%) – pyridine – water 39:10:34:26, and for sugar alcohols, ethanol – ethyl acetate – water 7:2:1. Quantitative determination of sugars by absorbance measurement at 370 nm after derivatization with aniline diphenylamine o-phosphoric acid reagent (mixture of 70 mL aniline solution and 70 mL diphenylamine solution, 2 % in acetone each, and 10 mL o-phosphoric acid, 85%). Unknown marker compounds were characterized by HPTLC-attenuated total reflection fourier transform infrared spectroscopy (HPTLC-ATR FTIR) and HPTLC- electrospray ionization mass spectrometry (HPTLC-ESI-MS).
J. Liq. Chromatogr. Relat. Technol. 35, 2396-2407 (2012). HPTLC of vanillin in the roots of Decalepis hamiltonii Wight and Arn on silica gel with toluene - ethyl acetate 9:1. Quantitative determination by absorbance measurement at 254 nm. The hRf value of vanillin was 42. Linearity was in the range of 2-12 µg/zone. Limits of detection and quantification were 1.3 and 3.9 µg/zone. The intermediate/inter-day/intra-day precision was 1.3 % (n=3), respectively. Recovery was between 99.4 and 100.3 %.
Chinese J. Ethnopharm.(4), 51-52 (2012). Cassia fistula, as a crude drug of Dai nationality medicine, is the mucus from the dried pod of Cassia fistula L. It has special efficiency in relieving internal heat or fever, apocatastasis and relieving pains. Its pods and leaves are both used as the component crude drug in preparations. To identify different officinal positions of the drugs available in different places of origin, TLC of the extracts of the drug on silica gel with petroleum ether (60-90 ºC) – ethyl acetate – formic acid 15:10:1, detection by spraying with 5 % aluminum chloride in ethanol and heating at 105 °C, evaluation at UV 366 nm.
J. of China Pharm. 26 (2), 167-171 (2012). Niuhuangjingnao tablets are a herbal TCM effective specially in clearing heat, removing toxicity, relieving uneasiness of mind and body tranquilization, and are prescribed clinically to cure dizziness, swelling and pain in the throat. In order to perfect the procedure for the quality control of the medicine a method has been presented. TLC of the extracts of the medicine 1) for borneol, on silica gel with toluene – ethyl acetate 10:1, detection by spraying with 5 % vanillin in sulfuric acid – ethanol 1:4 and heating at 105 °C until the zones were visualized, viewing in daylight; 2) for Rheum officinale, on silica gel with the upper phase of petroleum ether (60-90 ºC ) - ethyl acetate – formic acid 15:5:1, detection by viewing at UV 366 nm, followed by exposure to ammonia vapors and viewing at UV 366 nm; 3) for the rhizome of Chinese Goldthread, on silica gel with toluene – isopropanol - ethyl acetate – methanol – water 20:5:10:5:1, detection by exposure to ammonia vapors and viewing at UV 366 nm; 4) for Fructus Forsythiae, on silica gel with chloroform – methanol – glacial acetic acid 70:10:1, detection by spraying with 10 % sulfuric acid in ethanol and heating at 105 °C until the zones were visualized, viewing in daylight; 5) for honeysuckle, on polyamide phase with ethyl acetate – methanol – formic acid 20:2:3, detection by viewing at UV 366 nm; 6) for the root of Kudzu vine and Cape jasmine, on silica gel with chloroform – methanol – water 28:10:1, detection by viewing at UV 366 nm, followed by spraying with 5 % vanillin in sulfuric acid – ethanol 1:4 and heating at 105 °C until the zones were visualized, viewing in daylight.
J. of Jiangxi Univ. of TCM 24 (3), 54-57 (2012). Shenbao Heji compound oral liquid is a herbal TCM for the treatment of impotence, nocturnal emission, low back pain, lack of energy, aversion to cold, and women with menorrhagia. For quality control, TLC on silica gel 1) for Epimedium davidii Franch and the standard icariine, with ethyl acetate – methanol – water 100:17:13, detection by spraying with 1 % aluminium chloride in ethanol and heating at 105 °C, viewing at UV 254 nm; 2) for Radix Polygoni Multiflori and the standard emodin, with petroleum ether (60-90 °C) - ethyl formate – formic acid 15:10:1, detection by exposing to ammonia vapors and viewing in daylight; 3) for Leguminosae and the standard astragaloside A, with the lower phase of chloroform – methanol – water 13:6:2, detection by spraying with 10 % sulfuric acid in ethanol and heating at 105 °C, viewing under UV 366 nm; 4) for Fructus Psoraleae and the standard psoralen, with n-hexane - ethyl acetate 3:1, detection by spraying with 10 % KOH in methanol and viewing under UV 366 nm; 5) for Radix Angelicae Sinensis and Rhizoma Ligustici Chuanxiong, with n-hexane – ethyl acetate 9:1, detection under UV 366 nm. Quantification of icariine by HPLC.