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Low-temperature preparation of enzyme-treated sesame paste: Quality enhancement and hazard mitigation
Lei Jin1, Yu-Xiang Ma1, Li-Xia Hou1
1College of Food Science and Technology & Institute of Special Oilseed Processing and Technology, Henan University of Technology, Zhengzhou 450001, China.
Abstract:
This research evaluated the impact of combined enzymatic treatments on the physicochemical properties of sesame paste. The quality attributes of sesame paste were systematically characterized, including texture properties, heterocyclic amine content, stability, volatile compounds, and microstructural characteristics. The results showed that the amino acid and polysaccharide content of the samples decreased significantly after the combined enzymatic treatments. Concurrently, the total color difference and volatile compound content increased with the extent of the Maillard reaction. Notably, enzymatic pretreatment with a cellulase-papain complex promoted thermal reactions at lower temperatures, producing a paste similar in color, flavor, and stability to that produced at higher temperatures, while reducing the formation of heterocyclic aromatic amines. These results indicate that stable, high-quality sesame paste can be produced by promoting the Maillard reaction through enzymatic treatment. This strategy provides new insights and methods for the industrial production of premium sesame paste products.
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