| http://www.w3.org/ns/prov#value | - The nine compounds, including four phenolic acids, four flavonoids and a lignin, were analyzed with acceptable linear regression relationship (r2, 0.9923???0.9992), precision (RSD, 1.25%???2.78%), repeatability (RSD, 2.05%%???3.47%), stability (RSD, 1.84%???3.72%) and recovery (93.60%???108.54%, RSD ??? 3.67%).
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