Their study also used two different cocktails of additives as well as a placebo drink that contained no food colourings or preservatives.

这次研究中，他们用了两种混有多种食品添加剂的饮料，以及一种未添加任何色素或防腐剂而只是作为安慰剂的饮料。

youdao

No artificial colourings, additives or preservatives.

不含人造色素、添加剂和防腐剂。

youdao

Our range of herbal teas contain no preservatives, colourings or artificial flavourings.

我们这一系列的药草茶不含防腐剂、色素以及人工调味品。

youdao

Instead, it talks of "reconciling pleasure and a balanced diet", and how it contains no artificial colourings, preservatives or hydrogenated fats.

ECONOMIST: European politics