3.3 Oxidation of proteins 3.3.1 Sulfhydryl content analysis As shown in Table 5 , the protein concentration and sulfhydryl content in all samples showed a decreasing trend with increasing cooking time, consistent with the findings reported by Chen et al.
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Changes in texture, flavor, and protein digestion of low-salt chickpea surimi composite gel: Based on Kanto cooking model and peptidomics.
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Overall, the VOCs content in the Con group showed an increasing trend with the increase of cooking time, which increased by 10.08 % after 12 h of cooking.
There was an overall trend of decreasing OAV values for hexanal in the CPP group with increasing heating time.
This explains that even when similar flavor substances are generated, there may be significant differences in their intensity and persistence in animal protein-based and mixed protein-based products. 3.2.3 OAV analysis The contribution of VOCs to the overall aroma characteristics of foods depends on their concentration and odor threshold ( He et al., 2020 ).