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
- Browse and search by CBS classification: Select one of the 38 CBS classification categories where you want to search by a keyword
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J. Planar Chromatogr. 34, 361-366 (2021). HPTLC of 19 iridoids, including ten iridoid glycosides (catalpol, aucubin, ajugol, hastatoside, loganin, geniposide, harpagoside, verbenalin, agnuside, nuzhenide), six secoiridoid glycosides (harpagide, sweroside, swertiamarin, gentiopicroside, oleuropein, amarogentin) and three nonglycosylated iridoids (loganic acid, genipin, valtrate) in samples of Gentiana lutea, Verbena officinalis, Olea europaea and Harpagophytum procumbens on silica gel with nine different mobile phases. Detection by spraying with anisaldehyde reagent, vanillin reagent, sulfuric acid reagent, respectively, followed by heating at 100 °C for 3 min. After derivatizing the plate with Ehrlich’s reagent, the plate was heated at 100 °C for 5 min. Digital images were recorded under UV light at 254 nm and 366 nm. The data is part of a HPTLC database under development for different families of phytochemicals.
J. Planar Chromatogr. 34, 315-322 (2021). HPTLC of quercetin (1) and isorhamnetin (2) in the fruits of Hippophae rhamnoides on 3 % sodium acetate silica gel with dichloromethane - ethyl acetate - formic acid 7:3:1. Detection by spraying with 1 % ethanol solution of aluminum trichloride. Quantitative determination by absorbance measurement at 390 nm. The hRF values for (1) and (2) were 48 and 64, respectively. Linearity was between 60 and 420 ng/µL for (1) and 40 and 440 ng/µL for (2). The intermediate precision was below 5 % (n=6). LOD and LOQ were 50 and 165 ng for (1) and 50 and 167 ng for (2). Recovery was between 97.1 and 103.4 % for (1) and 98.1 and 103.9 % for (2).
J. Planar Chromatogr. 34, 345-351 (2021). HPTLC of Croton tiglium extracts on silica gel with toluene - ethyl acetate 9:1, toluene - ethyl acetate - methanol 6:4:1, toluene - ethyl acetate 3:2, toluene - ethyl acetate - methanol 4:6:1. Detection by spraying with anisaldehyde - sulfuric acid reagent. Identification of steroids and terpenoids on silica gel with toluene - ethyl acetate 9:1 and detection by spraying with the Liebermann‒Burchard reagent, followed by heating at 100 °C. Acidic compounds were analyzed on silica gel with toluene - ethyl acetate 9:1, followed by spraying with bromocresol green reagent. Coumarins were analyzed on silica gel with toluene - ethyl acetate - methanol 4:6:1, followed by spraying with alcoholic potassium hydroxide reagent and visualization under UV light at 366 nm.
J. Planar Chromatogr. 34, 337-343 (2021). HPTLC of quercetin in the leaves of Coriandrum sativum on silica gel with formic acid - ethyl acetate - toluene 1:4:5. Quantitative determination by absorbance measurement at 254 nm. The hRF value for quercetin was 50. Linearity was between 20 and 1000 ng/zone. LOD and LOQ were 15 and 44 ng/zone, respectively. Intermediate precisions were below 2 % (n=3). Recovery was between 97.0 and 98.0 %.
J. Planar Chromatogr. 34, 307-313 (2021). HPTLC of gallic acid (1), orientin (2) and orientin-2″-O-β-l-galactoside (3) in Chinese medicine antibacterial gels on silica gel with dichloromethane - butanone - methanol - formic acid 60:5:20:6. Quantitative determination by absorbance measurement at 280 nm. The hRF values for (1) to (3) were 37, 51 and 65, respectively. Linearity was between 89 and 785 ng/zone for (1), 82 and 575 ng/zone for (2) and 26 and 209 ng/zone for (3). Intermediate precisions were below 3 % (n=6). Recovery ranged 95.6-103.3 % for (1), 95.4-104.6 % for (2) and 95.1-104.1 % for (3).
J. Planar Chromatogr. 34, 297-305 (2021). HPTLC of four kinds of hydroxynaphthoquinone ingredients, namely β-hydroxyisovaleryl shikonin (1), L-shikonin (2), β-acetoxyisovaleryl shikonin (3), and acetyl shikonin (4) in the roots of Arnebia euchroma on silica gel with cyclohexane - dichloromethane - ethyl acetate - formic acid 50:90:6:11. Quantitative determination by absorbance measurement at 520 nm. The hRF values for (1) to (4) were 20, 30, 50 and 60, respectively. Linearity was between 56 and 678 ng/zone for (1), 64 and 768 ng/zone for (2), 132 and 1590 ng/zone for (3) and 253 and 3042 ng/zone for (4). Intermediate precisions were below 3 % (n=3). Average recovery was 99.5 % for (1), 100.6 % for (2), 98.6 % for (3) and 97.0 % for (4).
J. Planar Chromatogr. 34, 203-209 (2021). HPTLC of triclosan in toothpaste on silica gel with n-heptane - methyl tert-butyl ether - acetic acid 920:80:1. Detection by spraying with 2,6-dichloroquinone-4-chloroimide in 50 mL methanol, followed by spraying with an aqueous sodium carbonate solution (1 g/10 mL). Plates were scanned using a flatbed scanner. The hRF value for triclosan was 22. Linearity was between 100 and 1000 ng/zone. The LOD and LOQ were 46 and 91 ng/zone, respectively. Average recovery was 93.2 %.
J. Planar Chromatogr. 34, 217-228 (2021). HPTLC of cordifolioside A (1), 20‑β‑hydroxyecdysone (2) and columbin (3) in stems of Tinospora cordifolia on silica gel with hexane - chloroform - methanol - formic acid 40:40:20:1. Detection by spraying with anisaldehyde‒sulfuric acid reagent. Quantitative determination by absorbance measurement at 254 nm for (1) and (2) and 600 nm for (3). The hRF values for (1) to (3) were 12, 43 and 85, respectively. Linearity was between 750 and 2250 ng/zone for (1) and (2) and 675 and 1875 ng/zone for (3). Intermediate precisions were below 2 % (n=3). The LOD and LOQ were 107 and 324 ng/zone for (1), 41 and 123 ng/zone for (2) and 54 and 163 ng/zone for (3). Recovery was between 99.0 and 101.4 % for (1), 98.1 and 101.6 % for (2) and 98.1 and 98.8 % for (3). Further analysis was performed by electrospray ionization‒tandem mass spectrometry.