Cinnamon and eugenol are reported to have an inhibitory effect on the spores of Bacillus anthracis. Also, cinnamon was found to inhibit the growth of the aflatoxin of A. parasiticus. Aqueous clove infusions of 0.1 to 1.0% and 0.06% eugenol were reported to inhibit the growth of germinated spores of B. subtilis in nutrient agar.