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. 2020 Sep;58(3):260–272. doi: 10.17113/ftb.58.03.20.6598

Fig. 1.

Fig. 1

Proteolytic activity of strains isolated from Algerian raw camel's milk as determined by the OPA assay. Proteolytic activity was recorded as mmol of glycine released after incubation in skimmed cow's milk at 30 °C for 24 h, using a glycine calibration curve. Lactococcus lactis NCDO 604T and Lactococcus lactis SH4109 strains were used as positive controls