What Foods Have PR? The Surprising Truth Behind This Food Industry Term
                                
                                
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                                    4 min read                                
                            
                                While there is no nutritional compound called 'PR' found in food, the term has a very different meaning in the culinary world. The misconception likely stems from a confusion with other bioactive compounds like polyphenols or peptides, which are indeed found in many plant and animal products. This article clarifies what 'PR' means in a food context, explains the compounds you might be thinking of, and identifies which foods contain them.