Construction and Chemical Profile on “Activity Fingerprint” of Citri Reticulatae Pericarpium from Different Cultivars Based on HPLC-UV, LC/MS-IT-TOF, and Principal Component Analysis

<table class="table-group" id="tab3"><tr><td><table class="table"><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr class="thead"><td class="align_left" rowspan="2">Components</td><td class="align_center" colspan="2">Variable importance in projection (VIP) values</td></tr><tr class="thead"><td class="align_center">PC1</td><td class="align_center">PC2</td></tr><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr><td class="align_left">Hesperidin</td><td class="align_center">−0.255</td><td class="align_center">0.953</td></tr><tr><td class="align_left">Nobiletin</td><td class="align_center">0.934</td><td class="align_center">−0.121</td></tr><tr><td class="align_left">3,5,6,7,8,3′,4′-Heptamethoxyflavone</td><td class="align_center">−0.641</td><td class="align_center">−0.247</td></tr><tr><td class="align_left">Tangeretin</td><td class="align_center">0.965</td><td class="align_center">0.011</td></tr><tr><td class="align_left">5-Hydroxy-6,7,8, 3′,4′-pentamethoxyflavone</td><td class="align_center">0.827</td><td class="align_center">0.227</td></tr><tr class="table-tr"><td colspan="3"><hr class="tbody-hr"/></td></tr></table></td></tr><tr class="table-fn"><td><div>2 components were extracted.<br/></div></td></tr></table>

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Table 3

Table 3: Construction and Chemical Profile on “Activity Fingerprint” of Citri Reticulatae Pericarpium from Different Cultivars Based on HPLC-UV, LC/MS-IT-TOF, and Principal Component Analysis 

Table 3 | Construction and Chemical Profile on “Activity Fingerprint” of Citri Reticulatae Pericarpium from Different Cultivars Based on HPLC-UV, LC/MS-IT-TOF, and Principal Component Analysis 