Nisin Z Production by Wild Strains of Lactococcus lactis Isolated from Brazilian (Italian Type) Fermented Sausage

Figure 1

Mass spectrometry analysis of nisin Z purified from Lactococcus lactis ID1.5, ID3.1, ID8.5, PR3.1, and PD4.7. The arrow indicates the molecular mass of the nisin Z.

(a)

(b)

(c)

(d)

(e)