| | Measured quantity of intake of protein and/or protein derivative via oral route in 24 hours (observable entity) |  |  | Measured quantity of intake of protein and/or protein derivative via oral route in 24 hours |  |  | Measured oral quantity of intake of protein and/or protein derivative in 24 hours
 |  |  | The known quantity of intake of protein in grams per day derived from oral intake. | 
 |  |