| EGCG | Epigallocatechin gallate |
| GS | Gelatin sponge |
| vh | Vacuum heated |
| EGCG-GS | Epigallocatechin gallate-modified gelatin sponge |
| vhEGCG-GS | Vacuum heated EGCG-GS |
| DFAT cell | Dedifferentiated fat cell |
| ADSC | Adipose-derived stem cell |
| SEM | Scanning election microscopy |
| XPS | X-ray photoelectron spectroscopy |
| FTIR | Fourier transform infrared |
| BV | Bone volume |
| TV | Total volume |
| BMC | Bone mineral content |
| DAPI | 4′,6-diamidino-2-phenylindole |
| H-E | Hematoxylin and eosin |
| DMEM | Dulbecco’s modified Eagle’s media |