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Flavanomarein, known as isookanin-7-o-glucoside, is a dihydroflavonoid isolated from the ethanolic extract of Coreopsistinctoria and is considered to be one of the active ingredients of the herb with a wide range of pharmacological effects, but there are not many studies on the in vitro and in vivo pharmacokinetics of flavanomarein.

Flavanomarein is a predominant flavonoid of Coreopsis tinctoria Nutt with protective effects against diabetic nephropathy. Flavanomarein has good antioxidative, antidiabetic, antihypertensive and anti-hyperlipidemic activities.
Flavanomarein inhibits high glucose-stimulated epithelialmesenchymal transition in HK-2 cells via targeting spleen tyrosine kinase