| PGA | polygalacturonic acid |
| DM | degree of methylation |
| sJZ | short junction zone |
| JZ | junction zone |
| DI water | deionized water |
| GA | galacturonic acid |
| rkODE | reaction kinetics ordinary differential equation |
| PC | point-like crosslink |
| PL | polymeric liquid |
| EC | enzyme-controlled |
| ELCC | enzyme-limited calcium binding controlled |
| CC | calcium binding controlled |