English translation: polyglyceride esters of fatty acids
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As I said in my previous answer, the correct answer will depend on the meaning of the preposition before the phrase "fatty acids." Now that we know the original phrase, the mystery is solved. The correct preposition is "of".
Note: ProZ.com seems to be going through another server crash. I was able to post this answer using the German ProZ site (http://de.proz.com). I am not sure if posting the answer through this site will register the answer and trigger a notification e-mail to you or not, but I thought it was worth a shot, especially seeing that your questions have remained unanswered for so long, and I know most translation jobs have strict deadlines. Good luck.