绿茶提取物对意大利发酵香肠品质的影响

目的]寻找天然无毒的抗氧化剂,以提高香肠（Pepperoni）的抗氧化性能,延长货架期。方法]研究0.02%、0.05%、0.10%、0.50%绿茶提取物和合成抗氧化剂丁基羟基甲苯（BHT）对意大利发酵香肠（Pepperoni）在发酵过程中的TBARS值、pH值、颜色以及感官的影响。结果]添加绿茶提取物能够显著降低TBARS值（P〈0.05）,0.05%绿茶提取物能将TBARS值降低20%左右,与0.02%BHT的效果近似;而对Pepperoni的pH值、颜色和感官的影响不明显。结论]绿茶提取物的最佳浓度为0.05%。

Effects of Green Tea Polyphenol on Quality of Pepperoni

Objective] The study aimed to find natural and nontoxic antioxidant,enhance the oxidation resistance of Pepperoni,prolong the shelf life.Method] The effects of 0.02%GT,0.05%GT,0.10%GT and 0.50%GT on TBARS,pH value,color and sensory attributes of Pepperoni were determined.Result] Addition of green tea extract can decrease (P< 0.05) the TBARS values,and the most effective concentration was found to be 0.05%,which can reduce TBARS value by 20% and reach the effect of 0.02% BHT.The pH value,color and overall sensory quality were not significantly different (P>0.05) with the addition of green tea extract.Conclusion] The best concentration of GT was 0.05%.