Characterization of the fermented soy products
The results of the physicalechemical characterization of the
products, carried out after 48 h of preparation, are shown in Table 2.
The pH and titratable acidity remained practically constant for the
different inulin content. This result is in agreement with Guven
et al. (2005). Similarly, Dello Staffolo et al. (2004) indicated that
in yogurts with inulin, the pH remains without changes. The
analysis of the data showed that the yogurts obtained had a higher
pH and lower acidity than average for commercial products
(0.8e0.95) (Código Alimentario Argentino, 2006). This is due to the
buffer effect caused by soy proteins which soften acidity and flavor,
resulting in a very acceptable product.
The different concentrations of inulin only affect the total solids
since the content of proteins and fats remains constant. This is due