You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is How is the protein Energy Ratio (PER) in diet expressed as - and explain in detail?
-one way of evaluating food as the source of protein is to determine what percent of their energy value is supplied by their protein content. This is known as protein energy ratio. - PE percent= energy from protein*100/ total energy in diet. Reference : Park's textbook of preventive and social medicine, 23rd edition, pg no:634 <\p>