Edetic acid is a chelating agent commonly used in protein purification, both to eliminate contaminating divalent cations and to inhibit protease activity.

RSV M (187 - 195)

Isorhoifolin and vicenin II are main compounds of ethyl acetate fraction (EAcF) obtained from Erythrina velutina leaves, EAcF increases the cardiac contractile force by increasing the l-type calcium current and activating the adrenergic receptor pathway.