冰鲜大黄鱼植物源复合保鲜液的优化研究

Studies on Optimization of Complex Plant-source Extracts of Pseudosciaena crocea during Ice Storage

目的:通过响应面法优化3种植物源提取液(银杏叶提取液、竹醋液与茶多酚溶液)复配比例。方法:由单因素试验测定,经3种植物源提取液分别处理后,冰鲜大黄鱼贮藏期间的TVB-N值,并进行响应面分析。结果:银杏叶提取液、竹醋液与茶多酚溶液作用最佳质量分数分别为0.5%,0.5%,1.5%。竹醋液和茶多酚溶液的交互作用对TVB-N的影响显著(P<0.05);优化得到3种植物源保鲜剂的配比:银杏叶提取液1.38%、竹醋液0.92%、茶多酚0.85%。结论:优化后的冰鲜大黄鱼TVB-N的预测值为47.17 mg N/100 g,实测值为50.80 mg N/100 g,响应面回归模型可靠。

Objective:Complex plant-source extracts of large yellow croaker(Pseudosciaena crocea)during ice storage were optimized by response surface methodology.Methods:TVB-N value of large yellow croaker(Pseudosciaena crocea)with different plant-source extract treatments during ice storage can be measured and the optimum concentration of Ginkgo biloba leaves extract(GBLE),Bamboo vinegar(BV)and tea polyphenol(TP)on large yellow croaker(Pseudosciaena crocea)during ice storage were measured by single-factor experiment respectively,the optimal ratio of complex plant-source extracts were analyzed by response surface methodology.Results:The optimal mass fraction of GBLE,BV and TP were 0.5%,0.5%and 1.5%respectively.The interaction of BV and TP solution had significant effect on TVB-N value(P<0.05),the optimal ratio of three kinds of plant-source bio-preservatives was 1.38%of GBLE,0.92%of BV and 0.85%of TP.Conclusion:The predicted value of TVB-N was 47.17 mg N/100 g and the measured value was 50.80 mg N/100 g.Therefore,the response surface regression model was reliable.