Comparison of Primary Models to Predict Microbial Growth by the Plate Count and Absorbance Methods

Table 1

Primary growth models.

Model	Equation^a
Three-phase linear
	Gompertz
	Logistic
Richards
Baranyi

: log count or absorbance at time ; : initial log count or absorbance; : maximum growth rate; : lag time; : time to reach stationary growth phase; : final log count or absorbance; : increase in log count or absorbance from to ; : model coefficient.