Research Article

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

Table 2

Chemical profile of the identified phenolic compounds in EB-E-7 fraction from Eucalyptus grandis × E. urograndis bark by HPLC-ESI-IT-TOF-MS.

Comp. number (min)λmax (nm)MS () [M-H]MS2 ions ()Chemical name

128.4261, 356449317Myricetin-3-α-arabinoside
229.1256, 366477315Isorhamnetin-hexoside
329.4253, 357477301Quercetin-glucuronide
429.7256, 352447315Quercetin-3-α-rhamnoside
531.2254, 374447301Ellagic acid rhamnoside
632.0254, 369301301, 257Ellagic acid
733.5256, 356463317Myricetin-rhamnoside
834.6249, 365315300, 271Isorhamnetin