The result was confirmed that tannin in skin of walnut kernel had effect of separating oxygen and anti-oxidizing during storage. The content of tannin and acid value showed remarkable negative correlations.

• 试验结果表明:在贮藏过程中,核桃仁种皮中的单宁首先起到隔氧抗氧化的作用,与核桃油脂的酸价呈显著的负相关;