真空除(chu)氧(yang)(yang)(yang)(yang)除(chu)了抑(yi)制微(wei)生物(wu)的生長和繁殖外,另一個重要功(gong)能是防(fang)止(zhi)(zhi)食(shi)品(pin)(pin)(pin)氧(yang)(yang)(yang)(yang)化,因油脂類食(shi)品(pin)(pin)(pin)中(zhong)(zhong)含有大量不(bu)飽和脂肪酸(suan),受氧(yang)(yang)(yang)(yang)的作(zuo)用而氧(yang)(yang)(yang)(yang)化,使(shi)食(shi)品(pin)(pin)(pin)變(bian)(bian)味、變(bian)(bian)質。此外,氧(yang)(yang)(yang)(yang)化還使(shi)維生素(su)A和維生素(su)C損失,食(shi)品(pin)(pin)(pin)色(se)素(su)中(zhong)(zhong)的不(bu)穩定物(wu)質 受氧(yang)(yang)(yang)(yang)的作(zuo)用,使(shi)顏色(se)變(bian)(bian)暗。所以,除(chu)氧(yang)(yang)(yang)(yang) 能有效(xiao)地防(fang)止(zhi)(zhi)食(shi)品(pin)(pin)(pin)變(bian)(bian)質,保持其色(se)、香、味及營養價值。
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