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      2. TG酶對金線魚魚糜3D打印效果的影響
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        國家自然科學基金項目(31972107);遼寧省“興遼英才計劃”青年拔尖人才項目(XLYC1907040; XLYC1807133)


        Effect of transglutaminase on 3D printing characteristics of Nemipterus virgatus surimi
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          摘要:

          以金線魚魚糜為研究對象,從表觀粘度和流變特性(輸送難易程度)、打印效果(外觀形貌、定型性)、魚糜制品特性三個方面研究了TG酶對金線魚魚糜3D打印效果的影響。結果表明,隨TG酶添加量的增加,金線魚魚糜的凝膠強度、彈性、持水性呈先上升后下降的趨勢,當TG酶添加量為0.2%時均達到最高值,分別較對照組提高了70.88%、25.01%、9.72%。魚糜內部的不易流動水相對含量在TG酶添加量為0.2%時達到最高,T23峰比例為0.97。金線魚魚糜的表觀粘度、屈服應力、稠度以及流變特性隨著TG酶添加量的上升逐漸增強,而流動性隨之減弱,其中TG酶添加量為0.4%時表觀粘度達到最高,損耗模量和損失正切的最大值出現在添加量為0.2%處。在TG酶添加量為0.2%時,樣品的表面較為完整和設定模型較為匹配,魚糜絲之間的連貫性和粘連程度較高。綜上,當TG酶添加量為0.2%時,3D打印金線魚魚糜凝膠制品效果最佳。

          Abstract:

          Taking Nemipterus virgatus surimi as the research object,the effect of transglutaminase on the 3D printing characteristics of Nemipterus virgatus surimi was studied from three aspects:apparent viscosity and rheological properties (difficulty or ease of conveying),printing effect (appearance,molding performance),and the properties of surimi product. As the transglutaminase addition increased,the gel strength,elasticity,and water holding capacity of Nemipterus virgatus surimi gel increased firstly and then decreased. When the transglutaminase addition was 0.2%,they reached the highest value,which were increased by 70.88%,25.01%,and 9.72% compared with the control group,respectively. The relative content of immobilized water in the surimi reached the maximum when the transglutaminase was added at 0.2%,and the T23 peak ratio was 0.97. The apparent viscosity,yield stress,consistency and rheological properties of Nemipterus virgatus surimi gradually increased with increasing transglutaminase addition,while the fluidity decreased. The apparent viscosity reached the maximum at 0.4% transglutaminase,and loss modulus and loss tangent at 0.2% transglutaminase. The surface of the sample with 0.2% transglutaminase was relatively integral and matched the set model,and the continuity and adhesion between the surimi threads were relatively high. In summary,addition of 0.2% transglutaminase was the best for printing the Nemipterus virgatus surimi gel product.

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        王嵬,楊領,李學鵬,勵建榮,儀淑敏,謝晶,王轟,勞敏軍. TG酶對金線魚魚糜3D打印效果的影響[J].華中農業大學學報,2020,39(6):74-81

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        • 收稿日期:2020-09-15
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        • 在線發布日期: 2020-12-01
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