In addition, many deep-fried food preservative and color to the need for joining forces nitrates, excessive consumption, may also be carcinogenic.
另外，很多油炸食物为了防腐和显色的需要加入亚硝酸盐，过量食用，也会有致癌的可能。
Using chilled beef as materials, the effects of preservative film, bacteria and light on color change of chilled beef were studied.
以冷鲜牛肉为原料，研究了保鲜膜、细菌和光照对肉色变化的影响。
Using chilled beef as materials, the effects of preservative film, bacteria and light on color change of chilled beef were studied.
以冷鲜牛肉为原料，研究了保鲜膜、细菌和光照对肉色变化的影响。
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