« INSTRUMENTS, TOOLS AND CONCEPTS FOR HPTLC »

We publish results of our work in scientific journals, textbooks, through conferences and seminars as well as on our website.


Scientific publications



High-Performance Thin-Layer Chromatography for the Identification of Botanical Materials and the Detection of Adulteration
Eike Reich, Débora A. Frommenwiler, and Valeria Maire-Widmer (2015) Botanicals: Methods and Techniques for Quality & Authenticity, Chapter 15, Kurt Reynertson, Khalid Mahmood


Screening and determination of sibutramine in adulterated herbal slimming supplements by HPTLC-UV densitometry
Mathon C., Ankli A., Reich. E, Bieri S., Christen P. (2013) Food Additives and Contaminants - Part A Chemistry, Analysis, Control, Exposure and Risk Assessment 31(1)


Adulteration and poor quality of Ginkgo biloba supplements
Anthony Booker, Debora Frommenwiler, Eike Reich, Samuel Horsfield, Michael Heinrich (2016) Journal of Herbal Medicine


The authenticity and quality of Rhodiola rosea products
Anthony Booker, Banaz Jalil, Debora Frommenwiler, Eike Reich, Lixiang Zhai, Zarko Kulic, Michael Heinrich (2015) Phytomedicine


Prevention of False-Positive Results: Development of an HPTLC Autographic Assay for the Detection of Natural Tyrosinase Inhibitors
Judith Taibon, Anita Ankli, Stefan Schwaiger, Camille Magnenat, Vasilik-Ioanna Boka, Claudia Simões-Pires, Naktarios Aligiannis, Muriel Cuendet, Alexios-Leandros Skaltsounis, Eike Reich, Hermann Stuppner (2015) Planta Medica


Food Additives & Contaminants: Part A (2013)
Screening and determination of sibutramine in adulterated herbal slimming supplements by HPTLC-UV densitometry, Food Additives & Contaminants: Part A. Caroline Mathon, Anita Ankli, Eike Reich, Stefan Bieri, Philippe Christen


Chemical variability along the value chains of turmeric Curcuma longa): A comparison of Nuclear Magnetic Resonance Spectroscopy and High Performance Thin Layer Chromatography.
Anthony Booker, Debora Frommenwiler, Deborah Johnston, Chinenye Umealajekwu, Eike Reich, Michael Heinrich (2014) Journal of Ethnopharmacology


THIN-LAYER CHROMATOGRAPHY | Overview.
Reich E., and Maire-Widmer V. (2013) in Reedijk, J. (Ed.) Elsevier Reference Module in Chemistry, Molecular Sciences and Chemical Engineering. Waltham, MA: Elsevier.


THIN-LAYER CHROMATOGRAPHY | Instrumentation.
Reich E., and Maire-Widmer V. (2013) in Reedijk, J. (Ed.) Elsevier Reference Module in Chemistry, Molecular Sciences and Chemical Engineering. Waltham, MA: Elsevier.


Combination of bioautography with HPTLC–MS/NMR: a fast identification of acetylcholinesterase inhibitors from Galbanum.
Adhami, H-R., Scherer, U., Hettich, T., Kaehlig, H., Schlotterbeck, G., Reich, E., Krenn, L. (2013) Phytochemical Analysis, early view.


Thin Layer Chromatography.
Reich, E., Widmer, V. (2012) in Ullmann's Encyclopedia of Industrial Chemistry, Wiley-VCH.


Discovery of GABAA receptor modulator aristolactone in a commercial sample of the Chinese herbal drug “Chaihu” (Bupleurum chinense roots) unravels adulteration by nephrotoxic Aristolochia manshuriensis roots.
Rueda, D.C., Zaugg, J., Quitschau, M., Reich, E., Hering, S., Hamburger, M. (2012) Planta Medica 78(3) 207-210.


An interlaboratory investigation on the use of high-performance thin layer chromatography to perform assays of lamivudine-zidovudine, metronidazole, nevirapine, and quinine composite samples.
Kaale, E., Risha, P., Reich, E., Layloff, T. P. (2010)  J. AOAC Int. 93, 1836-1843.


High-performance thin layer chromatography for quality control of multicomponent herbal drugs: example of Cangzhu Xianglian San. 
Li, Z., Merfort, I., Reich, E. (2010)  J. AOAC Int. 93, 1390-1398.


A validated HPTLC method for the determination of illegal dyes in spices and spice mixtures. 
Kandler, H., Bleisch, M., Widmer, V., Reich, E. (2009)  J. Liq. Chromatogr. Related Technol. 32, 1273-1288.


Plant analysis 2008 - Planar chromatography.
Reich, E., Widmer, V. (2009)  Planta Medica 75 (7), 711-718.


Modernizing TLC. New instrumentation, materials, and analysis techniques take lab staple into high-performance arena.
Kemsley, J. (2009) C&EN News 87(20),  11-18.


Rapid high-performance thin-layer chromatographic method for detection of 5% adulteration of black cohosh with Cimicifuga foetida, C. heracleifolia, C. dahurica, or C. americana.
Ankli, A., Reich, E., Steiner, M. (2008) J. AOAC Int. 91, 1257-1260.


Validated HPTLC method for the determination of salicin in Salix sp. and of harpagoside in Harpagophytum procumbens.
Wagner, S., Ureña, A., Reich, E., Merfort, I. (2008) J. Pharm. Biomed Anal. 48 (3) 587-591.


Separation of phospholipids by HPTLC - an investigation of important parameters.
Handloser, D., Widmer, V., Reich, E. (2008) J. Liq. Chromatogr. Related Technol. 31, 1857-1870.


Validation of high-performance thin-layer chromatographic methods for the identification of botanicals in a cGMP environment.
Reich, E., Schibli, A., DeBatt, A. (2008) J. AOAC Int. 91, 13-20.


Validated HPTLC method for identification of Hoodia gordonii.
Widmer, V., Reich, E., DeBatt, A. (2008) J. Planar Chromatogr. 21, 21–26.


Quantitative HPTLC analysis of artemisinin in dried Artemisia annua L.:a practical approach.
Widmer, V., Handloser, D., Reich E. (2007) J. Liq. Chromatogr. Related Technol. 30, 2209 - 2219.


HPTLC Methods for Identification of Green Tea and Green Tea Extract.
Reich, E., Schibli, A., Widmer, V., Jorns, R., Wolfram, E., DeBatt, A. (2006) J. Liq. Chromatogr. Related Technol. 29, 2141 - 2151.


HPTLC for Rapid Identification of Black Cohosh.     
Reich, E., Widmer, V. (2006) LC GC The Applications Book, July 2006, 15.


Stationary Phases for Planar Separations - Plates for Modern TLC.     
Reich, E., Schibli, A. (2005) LC GC 23, 58-69.


Quantitative Determination of β-Asarone in Calamus by High-Performance Thin-Layer Chromatography.     
Widmer, V., Schibli, A., and Reich, E. (2005) J. AOAC Int. 88, 1562-1567.


Modern TLC: A Key Technique for Identification and Quality Control of Botanicals and Dietary Supplements.     
Schibli, A., Reich, E. (2005) J. Planar Chromatogr. 18, 34-38.


Modern TLC: A Key Technique for Identification and Quality Control of Botanicals and Dietary Supplements.
Reich, E., Blatter, A. (2004) Inside Laboratory Management, May/June, 14-18.


Qualitative and Quantitative HPTLC Methods for Quality Control of Stephania tetrandra.     
Blatter, A., Reich, E. (2004) J. Liq. Chromatogr. Related Technol. 27, 1-14.


A Standardized Approach to Modern High-Performance Thin-Layer Chromatography (HPTLC).     
Reich, E., Schibli, A., (2004) J. Planar Chromatogr. 17, 438-443.


High Performance Thin-Layer Chromatographic Analysis of Aristolochic Acids in Chinese Drugs.     
Schibli, A., Reich, E. (2004) J. Planar Chromatogr. 17, 355-359.


TLC for the Analysis of Herbal Drugs: A Critical Review of the Status and Proposal for Improvements of Monographs.     
Reich, E., Blatter, A., and Meier, B. (2003) Pharmeuropa 15.3, 424-430.


HPTLC for the Analysis of Herbal drugs, Herbal Drug Preparations and Herbal Medicinal Products.
Reich, E., and Blatter, A. (2003), in Handbook of Thin-Layer Chromatography
(Sherma, J., and Fried, B., Eds) 3. ed., chapter 18, Dekker, New York


A new HPTLC-method for identification of stinging nettle leaves.     
Koll, K., Reich, E., Blatter, A., und Veit, M. (2003) Zeitschrift für Arznei- und Gewürzpflanzen 8, 175-180.


Validation of Standardized High-Performance Thin-Layer Chromatographic Methods for Quality Control and Stability Testing of Herbals.     
Koll, K., Reich, E., Blatter, A., and Veit, M. (2003) J. AOAC Int. 86, 909-915.


TLC for the Analysis of Herbal Drugs.
Reich, E., Blatter, A., Meier, B. (2003) G.I.T. Laboratory Journal 5, 262-263.


An AOAC Peer-Verified Method for Identification of Echinacea Species by HPTLC.     
Reich, E., Blatter, A., Jorns, R., Kreuter, M., and Tiekötter, K., (2002) J. Planar Chromatogr. 15, 244-251.


A Standardized Approach to Modern High Performance Thin-Layer Chromatography (HPTLC).
Reich, E., Blatter, A., (2002), in Proceedings of the International Symposium "Planar Chromatography Today" (Vovk, I., and Medja, A., Eds), 7-21, Novo Mesto.


Applications of HPTLC for qualitative and quantitative analysis of medicinal plants.     
Reich, E., Blatter, A., (2002) Zeitschrift für Arznei- und Gewürzpflanzen 7, 416-421 (German).


Recent investigations on St. John's Wort by HPTLC.
Blatter, A., Reich, E. (2001), in Proceedings of the International Symposium on Planar Separations - Planar Chromatography (Nyiredy, Sz., Ed), 23-32, Lillafüred.


Thin Layer Chromatography: Overview.
Reich, E., Blatter, A. (2005), in Encyclopedia of Analytical Science (Worsfold, J. P., Townshend, A., Poole, C. F., Eds) 2nd ed., 57-66, Elsevier Academic, San Diego.  


Thin Layer Chromatography: Method development.
Reich, E., Blatter, A. (2005), in Encyclopedia of Analytical Science (Worsfold, J. P., Townshend, A., Poole, C. F., Eds) 2nd ed., 83-91, Elsevier Academic, San Diego.  


Thin Layer Chromatography | Instrumentation.
Reich, E., Blatter, A. (2005), in Encyclopedia of Analytical Science (Worsfold, J. P., Townshend, A., Poole, C. F., Eds) 2nd ed., 91-99, Elsevier Academic, San Diego.  


Publications since 2001 to date
Various monographs for the American Herbal Pharmacopoeia.
American Herbal Pharmacopoeia™, PO Box 5159, Santa Cruz, CA 95063, USA .


Simultaneous Detection of Three Phosphodiesterase Type 5 Inhibitors and Eight of Their Analogs in Lifestyle Products and Screening for Adulterants by High-Performance Thin-Layer Chromatography
Do, Tiên T.K.; Theocharis, Grigorios; Reich, Eike (2015) Journal of AOAC INTERNATIONAL


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