In aqueous solutions,
this preservative suffers an oxidative degradation that
depends on pH, aw, presence of other additives and
conditions of storage and processing (Campos & Gerschenson,
1996; Gerschenson & Campos, 1995). This degradation
leads to the decrease of the effective KS level and
favors the browning development due to an increase in the
concentration of carbonylic compounds, mainly acetaldehyde
and b-carboxyacrolein, which polymerize rapidly to
brown pigments (Arya & Thakur, 1988). The KS degradation
and the browning development can affect the
microbial stability and the sensory quality of the food,
respectively.
In aqueous solutions,
this preservative suffers an oxidative degradation that
depends on pH, aw, presence of other additives and
conditions of storage and processing (Campos & Gerschenson,
1996; Gerschenson & Campos, 1995). This degradation
leads to the decrease of the effective KS level and
favors the browning development due to an increase in the
concentration of carbonylic compounds, mainly acetaldehyde
and b-carboxyacrolein, which polymerize rapidly to
brown pigments (Arya & Thakur, 1988). The KS degradation
and the browning development can affect the
microbial stability and the sensory quality of the food,
respectively.
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