Quantitative Analysis of Phenolic Acids and Flavonoids in <i>Cuscuta chinensis</i> Lam. by Synchronous Ultrasonic-Assisted Extraction with Response Surface Methodology

<div>Typical chromatograms of LC–MS/MS for analytes and internal standards in <i>Cuscuta chinensis</i> Lam. 1, chlorogenic acid; 2, cryptochlorogenic acid; 3, neochlorogenic acid; 4, isochlorogenic acid A; 5, isochlorogenic acid B; 6, isochlorogenic acid C; 7, caffeic acid; 8, hyperin; 9, isoquercitrin; 10, quercetin; 11, campherol; 12, <i>p</i>-coumaric acid; 13, isorhamnetin; 14, rutin; 15, astragalin; 16, apigenin; IS1, catechin; IS 2, gallic acid.</div>

Journal of Analytical Methods in Chemistry

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Figure 3: Quantitative Analysis of Phenolic Acids and Flavonoids in <i>Cuscuta chinensis</i> Lam. by Synchronous Ultrasonic-Assisted Extraction with Response Surface Methodology 

Figure 3 | Quantitative Analysis of Phenolic Acids and Flavonoids in Cuscuta chinensis Lam. by Synchronous Ultrasonic-Assisted Extraction with Response Surface Methodology 