Simultaneous kinetic spectrometric determination of three flavonoid antioxidants in fruit with the aid of chemometrics.
Identifieur interne : 000924 ( Main/Exploration ); précédent : 000923; suivant : 000925Simultaneous kinetic spectrometric determination of three flavonoid antioxidants in fruit with the aid of chemometrics.
Auteurs : Ruiling Sun [République populaire de Chine] ; Yong Wang [République populaire de Chine] ; Yongnian Ni [République populaire de Chine] ; Serge Kokot [Australie]Source :
- Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy [ 1873-3557 ] ; 2014.
English descriptors
- KwdEn :
- MESH :
- chemical , analysis : Antineoplastic Agents, Antioxidants, Catechin, Flavanones, Quercetin.
- chemistry : Citrus sinensis, Fruit, Malus.
- Algorithms, Kinetics, Spectrophotometry.
Abstract
A simple, inexpensive and sensitive kinetic spectrophotometric method was developed for the simultaneous determination of three anti-carcinogenic flavonoids: catechin, quercetin and naringenin, in fruit samples. A yellow chelate product was produced in the presence neocuproine and Cu(I) - a reduction product of the reaction between the flavonoids with Cu(II), and this enabled the quantitative measurements with UV-vis spectrophotometry. The overlapping spectra obtained, were resolved with chemometrics calibration models, and the best performing method was the fast independent component analysis (fast-ICA/PCR (Principal component regression)); the limits of detection were 0.075, 0.057 and 0.063 mg L(-1) for catechin, quercetin and naringenin, respectively. The novel method was found to outperform significantly the common HPLC procedure.
DOI: 10.1016/j.saa.2013.11.071
PubMed: 24334016
Affiliations:
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Part A, Molecular and biomolecular spectroscopy</title><idno type="eISSN">1873-3557</idno><imprint><date when="2014" type="published">2014</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Algorithms</term><term>Antineoplastic Agents (analysis)</term><term>Antioxidants (analysis)</term><term>Catechin (analysis)</term><term>Citrus sinensis (chemistry)</term><term>Flavanones (analysis)</term><term>Fruit (chemistry)</term><term>Kinetics</term><term>Malus (chemistry)</term><term>Quercetin (analysis)</term><term>Spectrophotometry</term></keywords><keywords scheme="MESH" type="chemical" qualifier="analysis" xml:lang="en"><term>Antineoplastic Agents</term><term>Antioxidants</term><term>Catechin</term><term>Flavanones</term><term>Quercetin</term></keywords><keywords scheme="MESH" qualifier="chemistry" xml:lang="en"><term>Citrus sinensis</term><term>Fruit</term><term>Malus</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Algorithms</term><term>Kinetics</term><term>Spectrophotometry</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">A simple, inexpensive and sensitive kinetic spectrophotometric method was developed for the simultaneous determination of three anti-carcinogenic flavonoids: catechin, quercetin and naringenin, in fruit samples. A yellow chelate product was produced in the presence neocuproine and Cu(I) - a reduction product of the reaction between the flavonoids with Cu(II), and this enabled the quantitative measurements with UV-vis spectrophotometry. The overlapping spectra obtained, were resolved with chemometrics calibration models, and the best performing method was the fast independent component analysis (fast-ICA/PCR (Principal component regression)); the limits of detection were 0.075, 0.057 and 0.063 mg L(-1) for catechin, quercetin and naringenin, respectively. The novel method was found to outperform significantly the common HPLC procedure.</div></front></TEI><affiliations><list><country><li>Australie</li><li>République populaire de Chine</li></country><region><li>Jiangxi</li></region><settlement><li>Nanchang</li></settlement></list><tree><country name="République populaire de Chine"><region name="Jiangxi"><name sortKey="Sun, Ruiling" sort="Sun, Ruiling" uniqKey="Sun R" first="Ruiling" last="Sun">Ruiling Sun</name></region><name sortKey="Ni, Yongnian" sort="Ni, Yongnian" uniqKey="Ni Y" first="Yongnian" last="Ni">Yongnian Ni</name><name sortKey="Wang, Yong" sort="Wang, Yong" uniqKey="Wang Y" first="Yong" last="Wang">Yong Wang</name></country><country name="Australie"><noRegion><name sortKey="Kokot, Serge" sort="Kokot, Serge" uniqKey="Kokot S" first="Serge" last="Kokot">Serge Kokot</name></noRegion></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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