Here's a comparison between Quorn and Chicken:

- Essential Amino Acid - Quorn - Chicken

- Histidine - 22 - 27

- Isoleucine - 46 - 52

- Leucine - 82 - 81

- Lysine - 83 - 85

- Methionine + Cysteine - 31 - 41

- Phenylalanine + Tyrosine - 61 - 73

- Threonine - 47 - 44

- Tryptophan - 14 - 12

- Valine - 53 - 49