-Amylase and -Glucosidase Inhibitory Activities of Phenolic Extracts from Eucalyptus grandis × E. urophylla Bark

Figure 2

UV (254 nm) of the LC-MS chromatogram for Eucalyptus grandis × E. urophylla EB-E-7 fraction. Solvent system: 0.1% formic acid in water (A) and 100% methanol (B) with a gradient of B in A, 5–10% (0–5 min), 10–15% (5–15 min), 15–30% (15–25 min), 30–60% (25–35 min), hold 60% (35–40 min), and 60–5% (40–43 min); flow rate: 0.35 mL/min. Column temperature: 40°C. Peaks are labeled according to the order of elution (see Table 1 for identification).