The good contg. the extract form Monascus sp. fermentation broth is prepd. by (a) fermenting Monascus anka KFCC 11832 in the medium, (b) adding 70-80 % ethanol into the fermented broth and extracting by shaking at 30 deg.C for 1 hrs., (c) filtering the obtd. extract, vacuum-concentrating and freeze drying to obtain the extract powder and (d) preparing food such as chewing gum, candy, biscuit, ice cream, beverage or sausage by using the obtd. extract powder. The prepd. food has an antibacterial effect and cholesterol reducing effect.