| Term | Coef | SE Coef | T-Value | P-Value | VIF |
| Constant | 14.980 | 0.152 | 98.79 | 0.000 |
|
| Turmeric | 0.686 | 0.101 | 6.81 | 0.000 | 1.00 |
| Sweet Flag | 0.686 | 0.101 | 6.81 | 0.000 | 1.00 |
| Tea | 0.955 | 0.101 | 9.49 | 0.000 | 1.00 |
| Turmeric*Turmeric | −0.9322 | 0.0979 | −9.52 | 0.000 | 1.02 |
| SweetFlag*Sweet Flag | −0.9322 | 0.0979 | −9.52 | 0.000 | 1.02 |
| Tea*Tea | −1.1090 | 0.0979 | −11.32 | 0.000 | 1.02 |
| Turmeric*Sweet Flag | 0.250 | 0.131 | 1.90 | 0.086 | 1.00 |
| Turmeric*Tea | 0.500 | 0.131 | 3.80 | 0.003 | 1.00 |
| Sweet Flag*Tea | 0.500 | 0.131 | 3.80 | 0.003 | 1.00 |