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. 2016 Oct 17;6(2):224. doi: 10.1007/s13205-016-0537-0

Fig. 3.

Fig. 3

Response surface for flavan-3-ol content (FOL), in function of enzyme dosage, pH, temperature and time of extraction using enzyme preparation Lallzyme HC. The value of missing independent variable in each plot was kept at the centre point