. 2019 Jun 17;8(6):214. doi: 10.3390/foods8060214

Table 4.

Cubic, quadratic and quartic models obtained from the D-optimal design model.

Response	Equation
CFU	CFU = 0.075692 × A ^a + 0.076848 × B ^a + 0.080568 × C ^a + 1.01665E-004 × AB +1.75774E-004 × AC + 5.32542E-005 × BC − 5.77027E-006 × ABC + 1.21489E-006 × AB(A−B) + 4.20509E-006 × AC(A−C) ^a + 5.41514E-007 × BC(C−B)
pH	pH = 0.036188 × A + 0.036682 × B + 0.035848 × C + 2.24981E-005 × AB +1.25414E-004 × AC ^a + 2.76765E-005 × BC
TA	TA = 1.12385E-003 × A + 1.16534E-003 × B + 1.85367E-003 × C + 3.27095E-005 × AB ^a − 2.09864E-006 × AC + 5.00860E-006 × BC
LA	LA = 0.53 × A + 0.53 × B + 0.48 × C − 0.13 × AB +1.23 × AC − 0.30 × BC − 0.55 × AB(A−B) + 1.78 × AC(A−C) − 0.57 × BC(B−C) + 13.05 × A²BC − 18.68 × AB²C + 6.39 × ABC² − 0.73 × AB(A−B)² − 12.09 × AC(A−C)^{2 a} + 3.39 × BC(B−C)²
S	S = 0.050304 × A + 0.043473 × B + 0.042798 × C + 3.32747E-003 × AB ^a +1.51232E-003 × AC + 2.02706E-003 × BC – 1.02840E-004 × ABC

A = sugar, B = inoculum, C = breadfruit. Lowercase superscript ^a represents a statistically significant effect (p < 0.05).