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Article: Antioxidant activity of plant extracts on the inhibition of citral off-odor formation

TitleAntioxidant activity of plant extracts on the inhibition of citral off-odor formation
Authors
Issue Date2004
Citation
Molecular Nutrition And Food Research, 2004, v. 48 n. 4, p. 308-317 How to Cite?
AbstractGrape seed, pomegranate seed, green tea, and black tea extracts were used to inhibit the off-odor from citral degradation. A 0.1 M citrate buffer (pH 3), containing 100 ppm citral and 200 ppm gallic acid equivalent plant extract, was incubated at 40°C. The reaction mixtures were analyzed by high-performance liquid chromatography (HPLC) at days 0, 6, 10, 13, and 16 to monitor degradation of citral and formation of α, p-dimethylstyrene, p-cymene-8-ol, and p-methylacetophenone. The addition of plant phenolic extracts could not inhibit citral degradation, however, all four plant extracts significantly inhibited p-methylacetophenone formation. The samples, with the addition of plant extracts, exhibited higher concentrations of α, p-dimethylstyrene and p-cymene-8-ol than the control. This is presumed to be due to the oxygen-scavenging effect of plant extracts blocking the pathway from p-cymene-8-ol to p-methylacetophenone. Our results suggest that these plant extracts act as general antioxidants inhibiting the generation of p-methylacetophenone regardless of the types of water-soluble phenolic compounds existing in the plant extracts.
Persistent Identifierhttp://hdl.handle.net/10722/179344
ISSN
2015 Impact Factor: 4.551
2015 SCImago Journal Rankings: 1.679
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorLiang, CPen_US
dc.contributor.authorWang, Men_US
dc.contributor.authorSimon, JEen_US
dc.contributor.authorHo, CTen_US
dc.date.accessioned2012-12-19T09:54:21Z-
dc.date.available2012-12-19T09:54:21Z-
dc.date.issued2004en_US
dc.identifier.citationMolecular Nutrition And Food Research, 2004, v. 48 n. 4, p. 308-317en_US
dc.identifier.issn1613-4125en_US
dc.identifier.urihttp://hdl.handle.net/10722/179344-
dc.description.abstractGrape seed, pomegranate seed, green tea, and black tea extracts were used to inhibit the off-odor from citral degradation. A 0.1 M citrate buffer (pH 3), containing 100 ppm citral and 200 ppm gallic acid equivalent plant extract, was incubated at 40°C. The reaction mixtures were analyzed by high-performance liquid chromatography (HPLC) at days 0, 6, 10, 13, and 16 to monitor degradation of citral and formation of α, p-dimethylstyrene, p-cymene-8-ol, and p-methylacetophenone. The addition of plant phenolic extracts could not inhibit citral degradation, however, all four plant extracts significantly inhibited p-methylacetophenone formation. The samples, with the addition of plant extracts, exhibited higher concentrations of α, p-dimethylstyrene and p-cymene-8-ol than the control. This is presumed to be due to the oxygen-scavenging effect of plant extracts blocking the pathway from p-cymene-8-ol to p-methylacetophenone. Our results suggest that these plant extracts act as general antioxidants inhibiting the generation of p-methylacetophenone regardless of the types of water-soluble phenolic compounds existing in the plant extracts.en_US
dc.languageengen_US
dc.relation.ispartofMolecular Nutrition and Food Researchen_US
dc.subject.meshAntioxidants - Pharmacologyen_US
dc.subject.meshCamellia Sinensis - Chemistryen_US
dc.subject.meshChromatography, Gasen_US
dc.subject.meshChromatography, High Pressure Liquiden_US
dc.subject.meshGas Chromatography-Mass Spectrometryen_US
dc.subject.meshMonoterpenes - Chemistryen_US
dc.subject.meshOdors - Prevention & Controlen_US
dc.subject.meshPhenols - Pharmacologyen_US
dc.subject.meshPlant Extracts - Chemistry - Pharmacologyen_US
dc.subject.meshPlant Leaves - Chemistryen_US
dc.subject.meshPunicaceae - Chemistryen_US
dc.subject.meshSeeds - Chemistryen_US
dc.subject.meshVitis - Chemistryen_US
dc.titleAntioxidant activity of plant extracts on the inhibition of citral off-odor formationen_US
dc.typeArticleen_US
dc.identifier.emailWang, M: mfwang@hku.hken_US
dc.identifier.authorityWang, M=rp00800en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.doi10.1002/mnfr.200400027en_US
dc.identifier.pmid15497182-
dc.identifier.scopuseid_2-s2.0-9944261289en_US
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-9944261289&selection=ref&src=s&origin=recordpageen_US
dc.identifier.volume48en_US
dc.identifier.issue4en_US
dc.identifier.spage308en_US
dc.identifier.epage317en_US
dc.identifier.isiWOS:000225210900009-
dc.publisher.placeGermanyen_US
dc.identifier.scopusauthoridLiang, CP=7403280384en_US
dc.identifier.scopusauthoridWang, M=7406691844en_US
dc.identifier.scopusauthoridSimon, JE=7403956069en_US
dc.identifier.scopusauthoridHo, CT=7404652573en_US

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