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1.

Rapid identification of sibutramine in dietary supplements using a stepwise approach.

Csupor, D; Boros, K; Dankó, B; Veres, K; Szendrei, K; Hohmann, J.

Pharmazie ; 68(1): 15-8, 2013 Jan.

Article in English | MEDLINE | ID: mdl-23444775

ABSTRACT

Adulteration of botanical food supplements with undeclared synthetic drugs is a common problem. One of the most affected product groups are the slimming agents. There are no analytical protocols for the detection of synthetic adulterants from these products. The present study aimed at the development of a multistep analytical method for the quick and reliable determination of sibutramine, one of the most common adulterants among botanical food supplements. The extract of a sibutramine-containing slimming formula was analysed by colour tests, TLC, HPLC-DAD, MS and NMR. The multistep method proposed by the authors allows the quick identification of sibutramine in counterfeit samples in laboratories with different instrumentation.

Subject(s)

Appetite Depressants/analysis , Cyclobutanes/analysis , Dietary Supplements/analysis , Chromatography, High Pressure Liquid , Chromatography, Thin Layer , Color , Drug Contamination , Magnetic Resonance Spectroscopy , Spectrometry, Mass, Electrospray Ionization , Spectrophotometry, Ultraviolet

2.

[Spectroscopic methods for the structure analysis of acridone alkaloids]. / Spektroskopische Methoden zur Strukturermittlung von Acridon-Alkaloiden.

Reisch, J; Szendrei, K; Minker, E; Novák, I.

Pharmazie ; 27(4): 208-16, 1972 Apr.

Article in German | MEDLINE | ID: mdl-4559675

Subject(s)

Acridines/analysis , Alkaloids/analysis , Absorption , Chemical Phenomena , Chemistry , Infrared Rays , Magnetic Resonance Spectroscopy , Mass Spectrometry , Spectrometry, Fluorescence , Spectrum Analysis , Ultraviolet Rays

3.

[Synthesis of chromenocoumarins according E. Späth]. / Zur Synthese von Chromenocumarinen nach E. Späth.

Reisch, J; Szendrei, K; Minker, E; Novak, I.

Pharmazie ; 24(8): 483, 1969 Aug.

Article in German | MEDLINE | ID: mdl-5345461

Subject(s)

Coumarins/chemical synthesis , Chemistry, Pharmaceutical , Formamides , Hot Temperature , Methods

4.

[Lignanes of roots of Ruta graveolens: helioxnathine]. / Die Lignane der Wurzeln von Ruta graveolens: Helioxanthin.

Reisch, J; Szendrei, K; Novák, I; Minker, E.

Pharmazie ; 25(7): 435-6, 1970 Jul.

Article in German | MEDLINE | ID: mdl-5455438

Subject(s)

Plants, Medicinal/analysis , Xanthines/analysis , Chromatography , Xanthines/isolation & purification

5.

[Quinoline-alkaloids from Ruta graveolens L. 24. N-methylplatydesminium and ribalinidin]. / Chinolin-Alkaloide aus Ruta graveolens L. 24. N-Methylplatydesminium und Ribalinidin.

Reisch, J; Szendrei, K; Minker, E; Novák, I.

Pharmazie ; 24(11): 699-700, 1969 Nov.

Article in German | MEDLINE | ID: mdl-5379299

Subject(s)

Alkaloids/analysis , Plants, Medicinal/analysis , Quinolines/analysis , Chemical Phenomena , Chemistry, Physical , Spectrum Analysis

6.

[On the active materials of Dictamuus albus L. 1. Photodynamic materials]. / Uber die Wirkstoffe von Dictamnus albus L. 1. Photodynamische Stoffe.

Szendrei, K; Novák, I; Varga, E; Buzás, G.

Pharmazie ; 23(2): 76-7, 1968 Feb.

Article in German | MEDLINE | ID: mdl-5676537

Subject(s)

Coumarins/analysis , Magnoliopsida/analysis , Methoxsalen/analysis , Chromatography , Infrared Rays , Ketones/analysis , Spectrum Analysis , Ultraviolet Rays

7.

[Acridone alkaloids as constituents in the roots of Boenninghausenia albiflora Reichb]. / Acridon-Alkaloide als Inhaltsstoffe der Wurzeln von Boenninghausenia albiflora Reichb

Rózsa, Z; Szendrei, K; Novák, I; Reisch, J; Minker, E.

Pharmazie ; 30(11): 753-4, 1975 Nov.

Article in German | MEDLINE | ID: mdl-1219785

Subject(s)

Acridines/analysis , Alkaloids/analysis , Plants/analysis , Bromine/analysis

8.

[Quaternary alkaloids from Ruta graveolens L]. / Quatâre Alkaloide aus Ruta graveolens L.

Szendrei, K; Minker, E; Koltai, M; Reisch, J; Novák, I; Buzás, G.

Pharmazie ; 23(9): 519-20, 1968 Sep 09.

Article in German | MEDLINE | ID: mdl-4388357

Subject(s)

Alkaloids/analysis , Magnoliopsida/analysis , Quinolines/analysis , Alkaloids/pharmacology , Animals , Cats , Ganglionic Blockers/pharmacology , Infrared Rays , Magnetic Resonance Spectroscopy , Muscles/pharmacology , Plant Extracts/analysis , Rats , Spectrum Analysis , Ultraviolet Rays

9.

[Condensed aromatic substances as contents of rhizoma of Tamus communis L]. / Kondensierte Aromaten als Inhaltsstoffe des Rhizoms von Tamus communis L.

Szendrei, K; Novák, I; Báthory, M; Minker, E; Koltai, M; Reisch, J; Buzás, G.

Pharmazie ; 23(4): 211-2, 1968 Apr.

Article in German | MEDLINE | ID: mdl-5682068

Subject(s)

Hydrocarbons/isolation & purification , Plants, Medicinal/analysis , Chromatography , Infrared Rays , Magnetic Resonance Spectroscopy , Plant Extracts/isolation & purification , Spectrum Analysis , Ultraviolet Rays

10.

[The proazulenes of the anis fruit]. / Az ánizstermés proazulénjei röl.

Szegfü, A; Novák, I; Szendrei, K.

Acta Pharm Hung ; 42(4): 162-70, 1972 Jul.

Article in Hungarian | MEDLINE | ID: mdl-5051227

Subject(s)

Cycloheptanes , Cyclopentanes , Oils, Volatile , Plants , Furans , Plant Extracts

11.

[On the active substances in the rooth of Cynanchum vincetoxicum (L.) Pers. 3]. / A Cynanchum vincetoxicum (L.) Pers. gyökerének hatónalyagairól 3.

Háznagy, A; Tóth, L; Szendrei, K.

Acta Pharm Hung ; 37(4): 168-90, 1967 Jul.

Article in Hungarian | MEDLINE | ID: mdl-5601698

Subject(s)

Alkaloids/isolation & purification , Antifungal Agents

12.

[Isolation of coumarin glycosides from tissue culture of Ruta graveolens]. / Kumarin-glikozidok izolálása a Ruta graveolens szövetkultúrájából

Varga, E; Szendrei, K; Novák, I; Reisch, J.

Acta Pharm Hung ; 0(0): suppl 1:36-43, 1974 Jun.

Article in Hungarian | MEDLINE | ID: mdl-4845465

Subject(s)

Coumarins/isolation & purification , Glycosides/isolation & purification , Chemical Phenomena , Chemistry , Culture Techniques , Magnoliopsida , Plants, Medicinal/analysis

13.

[Mass spectroscopic analysis of Rutaceae alkaloids]. / Massenespektrometrische Studien an Rutaceen-Alkaloiden

Reisch, J; Szendrei, K; Novák, I; Minker, E.

Acta Pharm Hung ; 44(3): 107-15, 1974 May.

Article in German | MEDLINE | ID: mdl-4846359

Subject(s)

Alkaloids/analysis , Plants, Medicinal/analysis , Quinolines/analysis , Spectrum Analysis

14.

Effect of secondary substances isolated from the Ruta graveolens L. on the coronary smooth muscle.

Minker, E; Bartha, C; Koltai, M; Rózsa, Z; Szendrei, K; Reisch, J.

Acta Pharm Hung ; 50(1): 7-11, 1980 Jan.

Article in English | MEDLINE | ID: mdl-7361557

Subject(s)

Coronary Vessels/drug effects , Plants, Medicinal/analysis , Vasodilator Agents , Animals , In Vitro Techniques , Muscle, Smooth, Vascular/drug effects , Swine , Time Factors

15.

[Coumarins and alkaloids from root tissue cultures from Ruta graveolens L. ssp. hortensis (Mill)]. / Kumarinok és alkaloidok a Ruta graveolens L. ssp. hortensis (Mill.) gyökér eredetú szövetkultúrájából.

Varga, E; Kuzovkina, I N; Rózsa, Z; Szendrei, K.

Acta Pharm Hung ; 48(5): 193-8, 1978 Sep.

Article in Hungarian | MEDLINE | ID: mdl-707112

Subject(s)

Alkaloids/isolation & purification , Coumarins/isolation & purification

16.

[On the isolation of the active ingredients from Rutae radix. I]. / A Rutae radix hatóanyagainak izolációjáról I.

Novák, I; Szendrei, K; Buzás, G; Minker, E; Koltai, M.

Acta Pharm Hung ; 37(5): 225-9, 1967.

Article in Hungarian | MEDLINE | ID: mdl-5601705

Subject(s)

Plants, Medicinal , Plant Extracts

17.

[Isolation of some effective substance from the herb of Ruta graveolens L]. / Néhány hatóanyag izolálása a Ruta graveolens L. herbájából.

Novák, I; Buzás, G; Minker, E; Koltai, M; Szendrei, K.

Acta Pharm Hung ; 37(3): 130-41, 1967 May.

Article in Hungarian | MEDLINE | ID: mdl-6062200

Subject(s)

Magnoliopsida/analysis , Muscles/analysis , Chemical Phenomena , Chemistry , Muscles/pharmacology

18.

[A new alkaloid-type from Ruta graveolens]. / Uj típusú alkaloidok a Ruta graveolensböl.

Szendrei, K; Minker, E; Koltai, M; Reisch, J; Novák, I; Buzás, G.

Acta Pharm Hung ; 39(2): 60-5, 1969 Mar.

Article in Hungarian | MEDLINE | ID: mdl-5782922

Subject(s)

Alkaloids/isolation & purification , Chromatography , Infrared Rays , Magnetic Resonance Spectroscopy , Spectrophotometry , Ultraviolet Rays

19.

[Furocoumarins and acid amides from the peels of Evoida hupehensis Dode]. / Furokumarinok és savamidok az Evodia hupehensis Dode terméshéjából

Gellért, M; Csedó, K; Reisch, J; Novák, I; Szendrei, K; Minker, E; Koltai, M.

Acta Pharm Hung ; 0(0): suppl 1:26-31, 1974 Jun.

Article in Hungarian | MEDLINE | ID: mdl-4845463

Subject(s)

Coumarins/isolation & purification , Plants, Medicinal/analysis , Chemical Phenomena , Chemistry

20.

[Flavaprine, a new flavone glycoside from Evodia hupehensis]. / Flavaprin, egy új flavanon-glikozid az Evodia hupehensisböl

Mirhomn, Y W; Reisch, J; Gellért, M; Csedó, K; Novák, I; Szendrei, K.

Acta Pharm Hung ; 0(0): suppl 1:32-5, 1974 Jun.

Article in Hungarian | MEDLINE | ID: mdl-4845464

Subject(s)

Flavonoids/isolation & purification , Glycosides/isolation & purification , Chemical Phenomena , Chemistry , Plants, Medicinal/analysis

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