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Marigold flower (Tagetes erecta L) is one of the richest sources of xanthophylls. An enzymatic pretreatment method was developed for improved extraction of pigments from marigold flowers. Pretreatment with enzyme solution increased the diffusion coefficient from 1.56 x 10-9 m2/s to 4.02 x 10-9 m2/s and mass transfer coefficient from 0.14 h-1 to 0.36 h-1 coefficients. At the same time, dry yield, resin...