Table 1. Direction, adjusted R square and p-values of the interaction effect between sugars (fructose, arabinose and galactose; dependent variables) and sugar alcohols (ribitol, arabitol, erythritol, mannitol and xylitol; independent variables).
| Species | Metabolite | Fructose | Arabinose | Galactose | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Effect direction | Adjusted R square | p-value | Effect direction | Adjusted R square | p-value | Effect direction | Adjusted R square | p-value | ||
| CP | Ribitol | + | 0.534 | 0.346 | + | 0.853 | 0.184 | − | 0.584 | 0.854 |
| Arabitol | − | 0.924 | <0.001 | − | 0.983 | <0.001 | − | 0.787 | 0.102 | |
| Erythritol | − | 0.497 | 0.421 | + | 0.837 | 0.436 | − | 0.594 | 0.872 | |
| Mannitol | − | 0.888 | <0.001 | − | 0.953 | <0.001 | − | 0.775 | 0.070 | |
| Xylitol | − | 0.914 | <0.001 | − | 0.982 | <0.001 | − | 0.760 | 0.020 | |
| PS | Ribitol | + | 0.577 | 0.497 | − | 0.743 | 0.277 | − | 0.797 | 0.868 |
| Arabitol | + | 0.625 | 0.039 | − | 0.567 | 0.014 | − | 0.769 | 0.528 | |
| Erythritol | + | 0.520 | 0.695 | + | 0.789 | 0.868 | − | 0.892 | 0.637 | |
| Mannitol | − | 0.532 | 0.952 | + | 0.548 | 0.743 | − | 0.769 | 0.781 | |
| Xylitol | + | 0.640 | 0.032 | − | 0.888 | 0.150 | − | 0.852 | 0.237 | |
| CS | Ribitol | + | 0.909 | 0.980 | − | 0.816 | 0.158 | + | 0.563 | 0.144 |
| Arabitol | − | 0.967 | 0.028 | − | 0.925 | 0.028 | − | 0.841 | 0.120 | |
| Erythritol | − | 0.953 | 0.067 | − | 0.893 | 0.002 | − | 0.771 | 0.241 | |
| Mannitol | − | 0.969 | 0.012 | − | 0.866 | 0.018 | − | 0.787 | 0.348 | |
| Xylitol | − | 0.981 | 0.180 | − | 0.946 | 0.041 | − | 0.811 | 0.003 | |
Adjusted R square indicates a degree of interaction between them, and the p-value indicates the reliability of the effect.
CP: Crataegus pinnatifida.
CS: Chaenomeles sinensis.
PS: Pyrus pyrifolia.