Identification and Quantification of Aldose Reductase Inhibitory Flavonoids in Herbal Formulation and Extract of <i>Gymnema sylvestre</i> Using HPLC-PDA and LC-MS/MS

<table class="table-group" id="tab3"><tr><td><table class="table"><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr class="thead"><td align="left">Parameters</td><td align="center">Rutin</td><td align="center">Quercetin</td><td align="center">Kaempferol</td></tr><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr><td align="left">LOD (<i>µ</i>g/mL)</td><td align="center">0.01</td><td align="center">0.0066</td><td align="center">0.0066</td></tr><tr><td align="left">LOQ (<i>µ</i>g/mL)</td><td align="center">0.03</td><td align="center">0.02</td><td align="center">0.02</td></tr><tr class="table-tr"><td colspan="4"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

Respective values of LOD and LOQ for all three flavonoids.

Chromatography Research International

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Table 3

Table 3: Identification and Quantification of Aldose Reductase Inhibitory Flavonoids in Herbal Formulation and Extract of <i>Gymnema sylvestre</i> Using HPLC-PDA and LC-MS/MS 

Table 3 | Identification and Quantification of Aldose Reductase Inhibitory Flavonoids in Herbal Formulation and Extract of Gymnema sylvestre Using HPLC-PDA and LC-MS/MS 