Complex sentence: They include biological value, net protein utilization, and PDCAAS (Protein Digestibility Corrected Amino Acids Score) which was developed by the FDA as an improvement over the Protein efficiency ratio (PER) method.
Split into simpler sentences: They include biological value, net protein utilization, and PDCAAS (Protein Digestibility Corrected Amino Acids Score). The PDCAAS was developed by the FDA as an improvement over the Protein efficiency ratio (PER) method.