and pH. 및. wv 트윈. wv Tween. 샘플을 , rpm에서 몇 분간 원심분리하고 상청액을 수집하여 C에서 보관했습니다. The samples were centrifuged at , rpm for minutes, and the supernatants were collected and stored at C. All samples were replaced by equivalent volumes of fresh medium.