| UV | Ultraviolet |
| PPO | Polyphenol oxidase |
| GAE | Gallic acid equivalents |
| DM | Dry matter |
| SD | Standard deviation |
| RE | Rutin equivalents |
| DPPH | 2,2-diphenyl-1-picrylhydrazyl |
| IC50 | Half-maximal inhibitory concentration |
| HPLC | High-Performance Liquid Chromatography |
| FSI | Fruit shape index |
| ANOVA | One-way analysis of variance |
| PCA | Principal component analysis |
| CA | Correspondence analysis |
| HCA | Hierarchical cluster analysis |
| TPC | Total polyphenol content |
| MdLAR1 | Leucoanthocyanidin Reductase 1 |
| TFC | Total flavonoid content |
| UAE | Ultrasound-assisted extraction |
| MAE | Microwave-assisted extraction |
| TSE | Thermal-stirred extraction |
| HPLC-MS | High-Performance Liquid Chromatography- Mass Spectrometry |
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