Effect of Opuntia dillenii polysaccharide on gelling properties of Trichiurus lepturus myobrilar protein
2019
Wu, Shengjun
In this study, the effects of Opuntia dillenii polysaccharide (ODP) at different concentrations (1%, 3% and 5% wet materials) on the gel properties of Trichiurus lepturus myofibrillar proteins were investigated. ODP was prepared by hot water extraction, consisted of arabinose, xylose, fructose, glucose, galacturonic acid and rhamnose and its molecular weight was 106 kDa. The addition of ODP increased the water holding capacity, sulfhydryl content adhesiveness, cohesiveness, elasticity and overall likeness of T. lepturus myofibrillar proteins gel. However, a high dose (5% wet materials) of ODP could not further increase or decrease its efficiency compared with moderate dose (3% wet materials). Consequently, the addition of ODP increased the gel properties of T. lepturus myofibrillar protein gel and could be used as a myofibrillar protein gel supplement.
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