3.1. Salt incorporation and distribution
Table 1 shows a comparison between ‘‘nominal values”
(theoretically added values) and ‘‘actual values” (experimentally
obtained values) of each salt (STPP and NaCl)
concentration added to muscles. It can be seen that up to
an STPP level of 0.25%, the nominal and actual values of
this salt were similar. However, when a higher STPP concentration
was used, the actual values were smaller than
expected. Even more, no significant differences were
observed among the highest STPP levels. Therefore, it
appears that a lower percentage of the STPP was retained
inside the muscle compared to the expected values. Instead,
NaCl was almost totally retained at all concentrations utilized.
When comparing actual concentrations of the salts
before (data not shown) and after cooking (Table 1), it
was observed that almost all the added-amount of the salts
was retained inside the muscle after heating.
There was no interaction between treatments applied
(different combinations of STPP and NaCl) and sampling
positions on the slice (Fig. 1). However, significant differences
(p < 0.05) in STPP and NaCl concentrations were
found at different positions of the slice (data non-shown).
Disregarding of the salts concentration used, values of
the centre (C) were always higher than those of the peripheral
positions (1, 2, 3).
3.1. Salt incorporation and distributionTable 1 shows a comparison between ‘‘nominal values”(theoretically added values) and ‘‘actual values” (experimentallyobtained values) of each salt (STPP and NaCl)concentration added to muscles. It can be seen that up toan STPP level of 0.25%, the nominal and actual values ofthis salt were similar. However, when a higher STPP concentrationwas used, the actual values were smaller thanexpected. Even more, no significant differences wereobserved among the highest STPP levels. Therefore, itappears that a lower percentage of the STPP was retainedinside the muscle compared to the expected values. Instead,NaCl was almost totally retained at all concentrations utilized.When comparing actual concentrations of the saltsbefore (data not shown) and after cooking (Table 1), itwas observed that almost all the added-amount of the saltswas retained inside the muscle after heating.There was no interaction between treatments applied(different combinations of STPP and NaCl) and samplingpositions on the slice (Fig. 1). However, significant differences(p < 0.05) in STPP and NaCl concentrations werefound at different positions of the slice (data non-shown).Disregarding of the salts concentration used, values ofthe centre (C) were always higher than those of the peripheralpositions (1, 2, 3).
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