The present invention is related to a Toona sinensis extract for antibacterial. The Toona sinensis extract has the ability to inhibit growth or reproduction of bacteria and also to prevent corruption, color change and acidification of foods. So that, it can replace commercial ingredients and be applied to antibacterial, pharmaceutical composition or preservative that can prevent food corruption.本發明所揭之香椿萃取物乃具有抑制微生物生長或繁殖之功效,而得使該香椿萃取物具有使用於作為抗菌劑、防腐劑或使用於製造醫藥組合物之用途。
