The remaining 23% may be explained by other compounds present in plasma (carotenoids, retinol, bilirubin, creatinine, polyphenols) which could play an important antioxidant role.

• 保持的23%25也许用其他化合物解释当前在可能扮演一个重要抗氧化角色的等离子(类胡萝卜素、松香油、胆红素、肌氨酸酐，多酚)。