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Food Chem 2023 May 30;409:135333. doi: 10.1016/j.foodchem.2022.135333.
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Analysis of texture properties and water-soluble fraction proteome of sea cucumber body wall with different boiling heating treatment.

Zhang M , Liu YX , Wu ZX , Zhao GH , Song L , Jiang PF , Yu MM , Zhou DY .

Label-free quantitative proteomic analysis was utilized to determine the key proteins that affect texture properties of sea cucumber body wall (SCBW) with different boiling heating treatment. 862, 363, 315, and 258 proteins were confirmed in water-soluble fractions from fresh group, 0.5 h-, 2 h- and 4 h-heat treatment group, respectively. During boiling heating treatment, proteins with an increased abundance in water-soluble fraction primarily belong to structural proteins, such as collagens, microfibril-associated proteins, glycoproteins, and muscle proteins. It was speculated that the degradation of these structural proteins caused the progressive disintegration of network skeleton of collagen fibres and FMs as well as the gelatinization, thus resulted in the decrease of hardness and shear force. Besides, the degradation of FMs was occurred layer by layer during boiling heating treatment, and the fibrilin-1 outer layer degraded first, followed by the fibrilin-2 core component.

PubMed ID: 36592605
Article link: Food Chem