Table 3.
Descriptive statistics of the meta-analysis data of vitamin C content in citrus fruits.
| Variable | NDP | Mean | SD | Max | Min | Q25 | Q50 | Q75 |
|---|---|---|---|---|---|---|---|---|
| Whole data | ||||||||
| Storage Time (days) | 1412 | 29.1 | 3.46 | 330 | 0 | 7 | 18 | 40 |
| Storage Temperature (°C) | 1385 | 13.6 | 9.89 | 40 | 0 | 4 | 10 | 25 |
| Vitamin C (mg/100 mL) | 1402 | 32.2 | 16.2 | 76.2 | 0 | 20 | 32.2 | 43.1 |
| Citrus genotype | ||||||||
| Grapefruit | ||||||||
| Storage Time (days) | 127 | 16.6 | 2.32 | 112 | 0 | 1 | 5 | 28 |
| Storage Temperature (°C) | 127 | 12.4 | 6.61 | 23 | 4 | 9 | 11 | 20 |
| Vitamin C (mg/100 mL) | 127 | 33.3 | 9.88 | 64.8 | 11.7 | 26.3 | 34.6 | 39.5 |
| Hybrid | ||||||||
| Storage Time (days) | 17 | 35.8 | 21.4 | 56 | 0 | 10 | 30 | 56 |
| Storage Temperature (°C) | 17 | 17.7 | 2.57 | 20 | 15 | 15 | 20 | 20 |
| Vitamin C (mg/100 mL) | 17 | 48.3 | 18.7 | 75.5 | 29.6 | 33 | 34.5 | 64.1 |
| Lemon | ||||||||
| Storage Time (days) | 9 | 60 | 26 | 90 | 30 | 30 | 60 | 90 |
| Storage Temperature (°C) | 9 | 10 | – | 10 | 10 | 10 | 10 | 10 |
| Vitamin C (mg/100 mL) | 9 | 65.5 | 5.38 | 76.2 | 59.3 | 61 | 64.2 | 68 |
| Lime | ||||||||
| Storage Time (days) | 129 | 22.2 | 20.4 | 90 | 0 | 12 | 18 | 24 |
| Storage Temperature (°C) | 129 | 22.2 | 8.49 | 27.5 | 8 | 10 | 27.5 | 27.5 |
| Vitamin C (mg/100 mL) | 129 | 31.6 | 6.13 | 49.9 | 16 | 29 | 30.9 | 34.7 |
| Mandarin | ||||||||
| Storage Time (days) | 669 | 26 | 24.4 | 120 | 0 | 8 | 18 | 42 |
| Storage Temperature (°C) | 669 | 12.4 | 9.56 | 25 | 1 | 4 | 6.5 | 25 |
| Vitamin C (mg/100 mL) | 659 | 25.7 | 15.8 | 67.7 | 1.7 | 12.8 | 21.2 | 38.6 |
| Orange | ||||||||
| Storage Time (days) | 451 | 38.9 | 48.7 | 330 | 0 | 8 | 20 | 60 |
| Storage Temperature (°C) | 424 | 13 | 10.6 | 40 | 0 | 5 | 6.5 | 24 |
| Vitamin C (mg/100 mL) | 451 | 40.5 | 15.4 | 73.5 | 0 | 32.3 | 41.7 | 50.9 |
| Tangerine | ||||||||
| Storage Time (days) | 10 | 7 | – | 7 | 7 | 7 | 7 | 7 |
| Storage Temperature (°C) | 10 | 20 | – | 20 | 20 | 20 | 20 | 20 |
| Vitamin C (mg/100 mL) | 10 | 16.9 | 2.34 | 20.9 | 13.2 | 15.9 | 16.5 | 17.8 |
Quantile statistics are expressed as follows: Q25 – 25 %, Q50 – 50 %, and Q75 – 75 %; Max – maximum the feature data value; Min – Minimum the feature data value; NDP – Number of data points; SD – Standard deviation.