| A | B |
| Absorption | penetration of liquid into a solid that contains a prorous structure |
| Bioavailability | in a form that can be used by the body |
| BV | biological value |
| Enzyme | organic catalyst produced by living cells that changes the rate of a reaction without being used up in the reaction |
| Coenzyme | nonprotein compound that aids to form the active portion of an enzyme system |
| Digestion | the process that breaks down food into molecules small enough to absorb |
| DRI | dietary reference intake |
| Essential amino acid | one that is required in the diet |
| Fiber | Indigestible substances including cellulose, hemicellulose, pectin, and lignin |
| Limiting amino acid | required in the diet and is present in the lowest quantity compared to need |
| NPU | net protein utilization |
| PER | protein efficiency ratio |
| Protein quality | refers to the amino acid content of a protein |
| RDA | recommended daily allowences |
| Stability | resistance to chemical change, disintegration, or degradation |
| Vegan | a person who eats food only of plant origin |