结果按显著性大小排列，影响月见草油过氧化值的因素依次为温度、储存时间和是否加维生素E。

Results Temperature, store time and vitamine E added were the factors which influence the peroxide value of Evening Primrose Oil, among them Temperature was the most significant factor.

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维生素a可以平衡皮肤表面的PH值至弱酸性，从而有效抵抗细菌的入侵。

It helps balance the PH of the skin's surface, making it slightly acidic. That's good news, because slightly acidic skin fends off bacterial invaders.

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