Research Article
Determining the Geographical Origin of Fuji Apple from China by Multivariate Analysis Based on Soluble Sugars, Organic Acids, and Stable Isotopes
Table 3
The contribution of each factor to the content variability of soluble sugars, organic acids, and stable isotopes.
| Dependent variable | Calibrate model | Year | Region | Region × year | Error | F-Value | Significance ( value) | Contribution rates (%) | Significance ( value) | Contribution rates (%) | Significance ( value) | Contribution rates (%) | Significance ( value) | Contribution rates (%) |
| Sor | 5.469 | ≤0.001 | 70.22 | ≤0.001 | 24.93 | 0.002 | 1.10 | 0.746 | 3.75 | Glu | 47.318 | ≤0.001 | 82.29 | ≤0.001 | 15.70 | ≤0.001 | 1.37 | 0.125 | 0.65 | Fru | 23.314 | ≤0.001 | 92.69 | ≤0.001 | 5.37 | 0.005 | 0.94 | 0.389 | 0.99 | Sucr | 4.527 | ≤0.001 | 43.37 | 0.005 | 35.09 | 0.002 | 16.25 | 0.049 | 5.29 | Oxa | 1.137 | 0.343 | 34.91 | 0.186 | 0.07 | 0.996 | 45.25 | 0.105 | 19.77 | Tar | 46.865 | ≤0.001 | 98.09 | ≤0.001 | 0.50 | 0.337 | 0.95 | 0.132 | 0.46 | Qui | 57.677 | ≤0.001 | 96.90 | ≤0.001 | 1.60 | 0.021 | 1.09 | 0.071 | 0.40 | Mal | 22.227 | ≤0.001 | 93.43 | ≤0.001 | 3.33 | 0.026 | 2.35 | 0.074 | 0.89 | Shi | 21.697 | ≤0.001 | 95.85 | ≤0.001 | 1.96 | 0.130 | 1.24 | 0.273 | 0.95 | δ2H | 7.315 | ≤0.001 | 53.56 | ≤0.001 | 35.32 | ≤0.001 | 6.64 | 0.229 | 4.47 | δ18O | 39.428 | ≤0.001 | 96.64 | ≤0.001 | 2.17 | 0.025 | 0.62 | 0.345 | 0.58 | δ13C | 8.473 | ≤0.001 | 15.12 | 0.077 | 44.76 | ≤0.001 | 35.35 | ≤0.001 | 4.77 |
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