Extraction of Phenolics and Flavonoids from Four Hosta Species Using Reflux and Ultrasound-Assisted Methods with Antioxidant and α-Glucosidase Inhibitory Activities

Table 1

Extraction yields (EY) and abbreviations (Ab) of the four Hosta species.

Plants	Parts	RE		UAE
		EY (%)	Ab	EY (%)	Ab
H. plantaginea	Aboveground		HP-AR		HP-AM
	Underground		HP-UR		HP-UM
H. ventricosa	Aboveground		HV-AR		HV-AM
	Underground		HV-UR		HV-UM
H. ensata	Aboveground		HE-AR		HE-AM
	Underground		HE-UR		HE-UM
H. albo-marginata	Aboveground		HA-AR		HA-AM
	Underground		HA-UR		HA-UM

Results are expressed as the (. RE: reflux extraction; UAE: ultrasound-assisted extraction; HP-AR: the aboveground part of H. plantaginea using reflux extraction; HP-AM: the aboveground part of H. plantaginea using ultrasound-assisted extraction; HP-UR: the underground part of H. plantaginea using reflux extraction; HP-UM: the underground part of H. plantaginea using ultrasound-assisted extraction; HV-AR: the aboveground part of H. ventricosa using reflux extraction; HV-AM: the aboveground part of H. ventricosa using ultrasound-assisted extraction; HV-UR: the underground part of H. ventricosa using reflux extraction; HV-UM: the underground part of H. ventricosa using ultrasound-assisted extraction; HE-AR: the aboveground part of H. ensata using reflux extraction; HE-AM: the aboveground part of H. ensata using ultrasound-assisted extraction; HE-UR: the underground part of H. ensata using reflux extraction; HE-UM: the underground part of H. ensata using ultrasound-assisted extraction; HA-AR: the aboveground part of H. albo-marginata using reflux extraction; HA-AM: the aboveground part of H. albo-marginata using ultrasound-assisted extraction; HA-UR: the underground part of H. albo-marginata using reflux extraction; HA-UM: the underground part of H. albo-marginata using ultrasound-assisted extraction.