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

<div>Total ion chromatogram of (a) (standard sample), (b) (plant extract), and (c) (herbal formulation).</div>

Chromatography Research International

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Figure 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 

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