Thunberginol C exhibits antimicrobial activity against oral bacteria. It shows antiallergic activity in the in vitro bioassay using the Schults-Dale reaction in sensitized guinea pig bronchial muscle.
Pinocembrin and Ilicol inhibit root growth and show IC50 (root growth) values of 0.199, 14.68, 8.05, 7.69 mM, and 1.22, 2.90, 7.35, 8.07 mM, against P. miliaceum, A. sativa, L. sativa, and R. sativus, respectively. They reduce Allium cepa cell