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Seraglio, Siluana Katia Tischer; Valese, Andressa Camargo; Daguer, Heitor; Bergamo, Greici; Azevedo, Mônia Stremel; Gonzaga, Luciano Valdemiro; Fett, Roseane; Costa, Ana Carolina Oliveira
Food research international, September 2016, 2016-Sep, 2016-09-00, 20160901, Letnik: 87Journal Article
A simple, reproducible and sensitive method has been optimized and validated for simultaneous determination of 32 phenolic compounds in bracatinga (Mimosa scabrella Benth.) with the diluted-and-shoot approach, without the need of any additional clean-up steps. It has been based on high performance liquid chromatography coupled with triple quadrupole tandem mass spectrometry and electrospray ionization (HPLC-ESI-MS/MS). The chromatography conditions were optimized, and due to the selectivity provided by MRM monitoring, LC separation required only 9min. The developed method was validated on the basis of Eurachem and European Commission Decision 2002/657/EC guidelines. Mean recoveries ranged from 70.4 to 110%. Intra-day and inter-day precision with RSD (relative standard deviations) from 0.14 to 18.9% and 0.34 to 20.0%, respectively were achieved. Limits of detection (LOD) and quantification (LOQ) ranged from 0.03 to 3.20μgL−1 and 0.20–12.8μgL−1. Finally, the method was applied to samples and 20 phenolic compounds were quantified in all the samples analyzed, representing a contribution to the characterization and quantification of phenolic compounds from bracatinga (M. scabrella Bentham) honeydew honey. Display omitted •The bracatinga (Mimosa scabrella Benth.) honeydew honey is a source of phenolic compounds•A validated LC-MS/MS method for the analysis of 32 phenolic compounds was developed•A simple, environmentally friendly dilute-and-shoot approach was performed•20 phenolic compounds were identified among the samples analyzed•Presence of 6 phenolic compounds was reported for the first time in this study
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
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in: SICRIS
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