| PHA | Polyhydroxyalkanoate |
| PHB | Polyhydroxybutyrate |
| PHBV | Poly(3-hydroxybutyrate-co-3-hydroxyvalerate) |
| PHBHHx | Poly(3-hydroxybutyrate-co-3-hydroxyhexanoate) |
| P(3HB-co-LA) | Poly(3-hydroxybutyrate-co-lactate) |
| P(3HB-co-3HP) | Poly(3-hydroxybutyrate-co-3-hydroxypropionate) |
| CDW | Cell dry weight |
| TCA | Tricarboxylic acid |
| scl-PHA | Short-chain-length polyhydroxyalkanoate |
| mcl-PHA | Medium-chain-length polyhydroxyalkanoate |
| lcl-PHA | Long-chain-length polyhydroxyalkanoate |
| PGAP | PHB granule-associated protein |
| CPKO | Crude palm kernel oil |
| ACC | Acetyl-CoA carboxylase |
| MCR | Malonyl-CoA Reductase |
| CoA | Coenzyme A |
| 3HB | 3-Hydroxybutyrate |
| 3HHx | 3-Hydroxyhexanoate |
| 3HV | 3-Hydroxyvalerate |
| LEL | Lowest explosion limit |