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. 2007 Feb 28;2(2):e263. doi: 10.1371/journal.pone.0000263

Figure 5.

Figure 5

Panel A: Titration curves with 150 pH measurements per curve of (a) human saliva, (b) 10 µM (0.1%) amyloglucosidase, 340 µM (0.5%) lysozyme, 10 mM hydrogencarbonate and 5 mM di-hydrogenphosphate (model system I) and (c) 10 µM (0.1%) amyloglucosidase, 40 µM (0.2%) α-amylase, 10 mM hydrogencarbonate and 5 mM di-hydrogenphosphate (model system II). Panel B: Titration curve with 150 pH measurements per curve of (a) titration curve with 150 averaged pH measurements (5 per pH measurement point) of 5 male subjects with standard deviations indicated by grey bars. (b) 10 µM (0.1%) amyloglucosidase, 340 µM (0.5%) lysozyme, 10 mM hydrogencarbonate and 5 mM di-hydrogenphosphate, (c) 10 µM (0.1%) amyloglucosidase, 40 µM (0.2%) α-amylase, 10 mM hydrogencarbonate and 5 mM di-hydrogenphosphate (model system II).