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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Planta Medica 84(1), 26-33 (2018). For the monitoring of the multi-step fractionation through VLC (vacuum liquid chromatography) of the chloroform-soluble parts of a methanol – water 7:3 percolate of Hippophae rhamnoides (Eleagnaceae) fruit peels, TLC on silica gel and RP-18, detection by spraying with sulfuric acid and heating. Preparative TLC on silica gel with cyclohexane – dichloromethane – methanol 5:15:1 to isolate, from VLC subfractions, three lignans (nectandrin B, fragransin A2, saucernetindiol) that are diastereoisomers of each other.
Planta Medica 83(17), 1329-1334 (2017). Two acetone-soluble subfractions of an n-hexane maceration of Hypericum denudatum aerial parts (Hypericaceae) were submitted to repeated centrifugal planar chromatography (CPC) on silica gel using n-hexane – ethyl acetate (gradient from 100:0 to 90:10), obtaining four dimeric acylphloroglucinols (denudatin A, hyperbrasilol A, uliginosin B and isouliginosin B), which were purified by crystallisation with n-hexane – dichloromethane 9:1. From the most apolar CPC eluates, a monomer (selancin A) was isolated on preparative TLC silica gel layer by elution with n-hexane – ethyl acetate 97:3. Furthermore, all the purification steps were monitored through TLC on silica gel with n-hexane – ethyl acetate 19:1 or with n-hexane – dichloromethane 1:1. Detection under UV light after derivatization with anisaldehyde – sulfuric acid, monomeric acylphloroglucinols appeared purple, whereas dimers appeared yellow-orange.
Int. J. Morphol. 37, 1164-1171 (2019). HPTLC of transresveratrol in traditional fermented soybean seed coat on silica gel with chloroform - ethyl acetate - formic acid 25:10:1. Qualitative identification under UV light at 254 and 366 nm. The hRF value for transresveratrol was 64.
Food Chem. 288, 1-7 (2019). HPTLC of sesamin (1) and sesamolin (2) in sesame seed extracts on silica gel with n-pentane - diethyl ether 3:2. Quantitative determination by absorbance measurement at 290 nm. Linearity was between 25 and 150 µg/mL for (1) and 12.5 and 75 µg/mL for (2). Intermediate precision was below 3 % (n=6). The LOD and LOQ were 1.3 and 4 µg/mL for (1) and 0.4 and 1 µg/mL for (2), respectively. Recovery rate was between 95 and 105 % for (1) and (2). Correlation of the HPTLC and a HPLC-PDA method was notably high.
J. Planar Chromatogr. 32, 411-420 (2019). HPTLC of oleuropein in olive leave samples belonging to 9 different Egyptian olive varieties on RP-18 with methanol - acetonitrile 7:3. Detection by dipping into a methanolic 2-aminoethyldiphenylborane reagent (0.5 %), followed by drying and dipping into methanolic PEG 400 solution (5 %). Qualitative determination under UV light at 366 nm. Captured images were processed using the ImageJ software in order to build 2 separate data matrices (before and after derivatization). Quantitative determination by absorbance measurement at 240 nm. The hRF value for oleuropein was 35. Linearity was between 0.1 and 0.6 µg/zone. Intermediate precision was below 1 % (n=6). The LOD and LOQ were 0.07 and 0.22 µg/zone. Recovery rate was 100.5 %.
J. Planar Chromatogr. 32, 365-370 (2019). TLC of gallic acid (1) and methyl gallate (2) in Guyinye residue extracts and Turkish gall (TG) cream on polyamide film with glacial acetic acid - methanol - ethyl acetate - formic acid 10:6:2:1. Quantitative determination by absorbance measurement at 280 nm. The hRF values for (1) and (2) were 57 and 72, respectively. Linearity was between 1 and 5 µg/zone for (1) and 250 and 1250 ng/zone for (2). Intermediate precisions were below 4 % (n=6). The LOD and LOQ were 3 and 10 ng for (1) and 75 and 250 ng for (2), respectively. Recovery rate was 98.6 % for (1) and 98.3 % for (2).
J. Ethnopharmacol. 229, 233-245 (2019). HPTLC of diarylheptanoid in the rhizomes of Alpinia officinarum on silica gel with chloroform - methanol - formic acid 85:20:2. Detection under UV light at 254 nm. The hRF value for diarylheptanoid was 90.
J. Planar Chromatogr. 32, 237-241 (2019). HPTLC of protocatechuic acid (1) and quercetin (2) in the fruits of Carissa carandas on silica gel with toluene - ethyl acetate - formic acid 6:3:1. Quantitative determination by absorbance measurement at 310 nm. The hRF values for (1) and (2) were 57 and 61, respectively. Linearity was between 100 and 600 ng/zone for (1) and (2). The intermediate precision was below 2 % (n=9). The LOD and LOQ were 33 and 100 ng/zone for (1) and 28 and 85 ng/zone for (2), respectivley. Recovery rate was between 96.9 and 99.8 % for (1) and 97.9 and 98.8 % for (2).