highly significantp < 0.01
As shown in Table 3 , the interaction term A × D and all quadratic terms (A 2 , B 2 , C 2 , D 2 ) exerted highly significant effects on flavonoid yield ( p < 0.01).
As shown in Table 3 , the interaction term A × D and all quadratic terms (A 2 , B 2 , C 2 , D 2 ) exerted highly significant effects on flavonoid yield ( p < 0.01).