Camel milk has high nutritional value and health benefits, but the curdling phenomenon often occurs during ultra-high-pressure sterilization. Thus, it is necessary to add a phosphate chelating agent to improve the stability of camel milk. The purpose of this study was to explore the effect of ultra-high-pressure treatment on the quality of camel milk. In this study, camel milk after ultra-high-pressure treatment was used as the research object. The types and proportions of different phosphate chelating agents were evaluated by sensory evaluation. The process of ultra-high-pressure treatment after adding a phosphate chelating agent was optimized. Then, the ultra-high pressure camel milk that was added with compound phosphate chelating agent was analyzed by physical and chemical indexes, rheological properties, and sensory flavor. Camel milk was treated with a complex phosphate chelator consisting of 0.07% sodium pyrophosphate and 0.1% sodium hexametaphosphate at ultra-high-pressure of 550 MPa for 22 min. Results showed a decrease in acidity value, an increase in pH, an improvement in rheological properties, a decrease in acidity, bitterness, and astringency, and a decrease in sensitivity to nitrogen oxides, aldehydes, ketones, and aromatic compounds. In conclusion, the addition of a complex phosphate chelating agent can improve the quality of camel milk processed under ultra-high pressure. This study provides the experimental basis and theoretical basis for the comprehensive utilization of camel milk as well as the industrialization of camel milk.
ZHANG Mengmeng
,
ZHAO Jingya
,
SHUANG Quan
. Effects of complex phosphate chelator on quality of ultra-high pressure treated camel milk[J]. Food and Fermentation Industries, 2024
, 50(1)
: 141
-147
.
DOI: 10.13995/j.cnki.11-1802/ts.033448
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