Isoscutellarein is a flavone found in Cupuaçu (Theobroma grandiflorum) and in the liverwort Marchantia berteroana. Isoscutellarein is a flavone found in Cupuaçu (Theobroma grandiflorum) and in the liverwort Marchantia berteroana. Theograndin I is a sulfated glucuronide of isoscutellarein.