Linear, quadratic and special cubic models were fit to the chro- matographic peak area data of the three catechins. Model quality was determined by ANOVA of the regression results. Special cubic models for EC and EGC.
Linear, quadratic and special cubic models were fit to the chro-matographic peak area data of the three catechins. Model qualitywas determined by ANOVA of the regression results. Special cubicmodels for EC and EGC.