The antioxidant activity of bronchial epithelial cells (EEC) plays a essential role in maintenance of integrity of the airway epithelium in structure and function, and preventing the epithelial cells from damage.

• 支气管上皮细胞(bronchial epithelial cells，BEC)的抗氧化活性对改善上皮的抗损伤能力、维持上皮的结构和功能完整具有重要意义。