Total Sesquiterpene Glycosides from Loquat Leaves Ameliorate HFD-Induced Insulin Resistance by Modulating IRS-1/GLUT4, TRPV1, and SIRT6/Nrf2 Signaling Pathways

Figure 1

Compositional analysis of TSG from loquat leaves. (a) Chromatograms of the constituents through HPLC. (b) Chemical structure of SG1-SG3, SG1: , ; SG2: , ; and SG3: , . (c) Chemical structure of SG4.

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(b)

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