They have to be fed a syntheticpigment to give them their pink color.
除此之外,他们还会喂以人工合成色以素赋予鲑鱼粉红的肉色。
2
Thisproduct does not contain cholesterol, syntheticpigment and preservatives.
本品不含胆固醇、合成色素及防腐剂。
3
With the increase of people's life level and deep knowledge of safety about edible syntheticpigment, the role of the edible natural pigment is more prominent because of its higher safety.