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. 2021 Jul 22;77:105680. doi: 10.1016/j.ultsonch.2021.105680

Table 5.

Regression coefficients of second order model for the response variables of extracts from A. hypochondriacus var. Nutrisol.

Coefficients BC BX BT TP AA L* a* b* KLa*10-7 A IA
b0 103.61* 41.52* 145.13* 1248.36* 3.38* 25.34* 9.56* 1.01* 4.062* 106.42* 11.55*
b1 10.37* 4.11* 14.49* 109.45* 0.2884* 0.3917* −0.3141* 0.2477* 0.258* 9.72* 1.57*
b2 11.22* 4.47* 15.69* 80.17* 0.1708* −0.0385 0.0346 0.2472* 0.193* 13.07* 0.1298
b12 −8.90* −2.30* −11.20* 30.82 0.1300* −0.1762* 0.0738 −0.1670* 0.034 −11.33* 0.0998
b11 −17.94* −5.88* −23.81* −113.32* −0.2512* 0.5587* −0.8806* −0.2112* −0.239* −17.49* −3.00*
b22 −9.19* −10.26* −19.44* −106.17* −0.3112* 0.4392* −0.8951* −0.2942* −0.240* −14.39* −3.45*

*Significance at p < 0.05. BC, betacyanins; BX, betaxanthins; BT, total betalains; TP, total polyphenols; AA, antioxidant activity; L*, a*, b*, color parameters; KLa, mass transfer coefficient; A, amaranthine; IA, isoamaranthine.