Fresh blueberries VS Freeze-dried blueberries VS Dried blueberries
| Fresh blueberries VS Freeze-dried blueberries VS Dried blueberries | |||
| Fresh blueberries | Freeze-dried blueberries | Dried blueberries | |
| Moisture content | 100% | 2%-5% | 8%-16% |
| Processing temperature | —— | -40℃-50℃ | 40℃-70℃ |
| Vitamin C (mg/100g) |
6.41±0.093 | 5.52±0.1 | 0.19±0.012 |
| Anthocyanins (mg/100g) |
1.62±0.025 | 1.4±0.032 | 0.071±0.001 |
| Total phenols (mg/g) |
4.03±0.032 | 3.55±0.067 | 1.26±0.021 |
| Shape | Constant | Almost unchanged | Change |
| Color | Constant | Almost unchanged | Increased brown color |
| Storage time （at room temperature） |
1-5 days | At least 2 years | 6m-12m |