| Species | Flavonoid compounds | Pairing affinity (Roots) Index (PA %) |
| Between S. melongena and L. esculentum | Esters Ethers alkenes Alkanes Aldehydes | 33.3% 37.5% 0% 25% 40% |
| Between L. esculentum and S. tuberosum | Esters Ethers Alkanes Aldehydes Alkyles | 33.3% 40% 33.3% 25% 50% |
| Between S. melongena and S. tuberosum | Esters Ethers Alkynes Alkanes Aldehydes | 31.6% 20% 50% 0% 33.3% |