Results from Pz-ph evaluation suggested that carrying out measurements in triplicate for phospholipase is not essential.To obtain adequate intra-examiner reproducibility.Thus it seems, that accurate measurements were more easily obtained in the analysis, of phospholipase which.May be explained by the characteristics of the colony and halos formed. The methodology used promoted the formation.Of large colonies and halos with well-defined borders which did, not occur in the SAPs analysis (Figure 3).Moreover the use, of egg yolk with potassium tellurite allowed the formation of dark colonies contrasting with the.Yellow color of the, surrounding halos which possibly improved the visualization of the halos of degradation and.The accuracy of measurements. In the literature few studies, stated to have measured only, one colony.11 57 On the.Other hand there were, more studies carried out in triplicate but there was no information.About the calibration of the researchers which makes, it dif-ficult to discuss the accuracy of the measurements taken in.Each case.
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