Optimum Conditions and LC-ESI-MS Analysis of Phenolic Rich Extract from <i>Eucalyptus marginata</i> L. under Maceration and Ultrasound-Assisted Extraction Methods Using Response Surface Methodology

<div>HPLC chromatograms of the phenolic compounds of the extracts obtained by maceration (a) and ultrasound (b) extraction methods. 1, quinic acid; 2, gallic acid; 3, protocatechuic acid; 4, <i>p</i>-coumaric acid; 5, <i>trans</i>-ferulic acid; 6, hyperoside; 7, rutin; 8, quercetrin; 9, naringin; 10, salviolinic acid; 11, <i>trans</i>-cinnamic acid; 12, quercetin; 13, naringenin.</div>

Journal of Food Quality

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Figure 5

Figure 5: Optimum Conditions and LC-ESI-MS Analysis of Phenolic Rich Extract from <i>Eucalyptus marginata</i> L. under Maceration and Ultrasound-Assisted Extraction Methods Using Response Surface Methodology 

Figure 5 | Optimum Conditions and LC-ESI-MS Analysis of Phenolic Rich Extract from Eucalyptus marginata L. under Maceration and Ultrasound-Assisted Extraction Methods Using Response Surface Methodology 