Compared with the control, the vacuum package or adding deoxidant package with materials of low venting quality can constrain the accelerating speed of PV and AV, and delay rancidity.

• 采用低透气性的包装材料进行真空包装或添加脱氧剂包装,可明显抑制过氧化值和酸价的增加速度,延缓酸败。