{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,12]],"date-time":"2026-03-12T01:35:05Z","timestamp":1773279305322,"version":"3.50.1"},"reference-count":23,"publisher":"Wiley","issue":"4","license":[{"start":{"date-parts":[[2011,10,24]],"date-time":"2011-10-24T00:00:00Z","timestamp":1319414400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["analyticalsciencejournals.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Phytochemical Analysis"],"published-print":{"date-parts":[[2012,7]]},"abstract":"<jats:title>ABSTRACT<\/jats:title><jats:sec><jats:title>Introduction<\/jats:title><jats:p>Several biochemical studies have already shown that cardamonin has health promoting properties, such is in agreement with typical characteristics of chalcones. Although being a very promising compound for the nutraceutical field there is a lack of studies concerning its electroanalytical properties.<\/jats:p><\/jats:sec><jats:sec><jats:title>Objective<\/jats:title><jats:p>To develop an electroanalytical methodology for the quantification of cardamonin in cardamom.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methodology<\/jats:title><jats:p>Cardamonin was analysed electrochemically by means of a hanging mercury drop electrode (HMDE) using square wave voltammetry (SWV). It was extracted from cardamom spice and quantified thereafter using the standard additions method to overcome matrix effects.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>A limit of detection (LOD) of 0.15\u2009mg\/L and good linearity (<jats:italic>r<\/jats:italic><jats:sup>2<\/jats:sup>\u2009=\u20090.9998) were obtained. Decoction using ethanol as the extraction solvent appears to be the simplest extraction technique. Spectrophotometric analysis (maximum absorbance peak was found in ethanol at 344\u2009nm with a value of molar extinction coefficient of (2.8\u2009\u00b1\u20090.1)\u2009\u00d7\u200910<jats:sup>4<\/jats:sup>\u2009L mol<jats:sup>\u22121<\/jats:sup> cm<jats:sup>\u22121<\/jats:sup>) and mass spectrometry analysis by electrospray in the positive ion mode were also performed.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>Cardamonin was detected voltammetrically. The LOD and limit of quantification (LOQ) of the proposed voltammetric methodology are adequate for trace analysis of this compound in several phytochemical matrices. Copyright \u00a9 2011 John Wiley &amp; Sons, Ltd.<\/jats:p><\/jats:sec>","DOI":"10.1002\/pca.1370","type":"journal-article","created":{"date-parts":[[2011,10,24]],"date-time":"2011-10-24T22:49:42Z","timestamp":1319496582000},"page":"396-399","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":10,"title":["Analysis of Cardamonin by Square Wave Voltammetry"],"prefix":"10.1002","volume":"23","author":[{"given":"Ana M.","family":"Carvalho","sequence":"first","affiliation":[{"name":"Requimte, Departamento de Qu\u00edmica e Bioqu\u00edmica, Faculdade de Ci\u00eancias Universidade do Porto  Rua do Campo Alegre, no. 687 4169\u2010007 Porto Portugal"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Lu\u00eds M.","family":"Gon\u00e7alves","sequence":"additional","affiliation":[{"name":"Requimte, Departamento de Qu\u00edmica e Bioqu\u00edmica, Faculdade de Ci\u00eancias Universidade do Porto  Rua do Campo Alegre, no. 687 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