Table 1. Antidiabetic Activities of Reported Extracts or Compounds from Genuses of P. baumii, Phellinus igniarius, and Phellinus linteus.

antidiabetic approach	source	extracts/compounds	result	references
α-glucosidase inhibitory activity	P. baumii	crude exopolysaccharides	inhibition rate = 59.70% (5.0 mg/mL)	(21)
	P. baumii	purification exopolysaccharides	inhibition rate = 53.73% (5.0 mg/mL)	(21)
	P. linteus	methanol extracts	IC50 = 477.33 ± 17.55 μg mL–1	(22)
reduction of oxidative stress	P. linteus	hispidin	oxygen species scavenging activity = 55%	(13)
enhancement of glucose uptake	P. igniarius	7,8-dihydroxycoumarin, 3,4-dihydroxybenzalacetone, 7,3′-dihydroxy-5′-methoxyisoflavone, and inoscavin C	increased glucose uptake by 1.73-fold	(16)