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添加香椿粉末或萃取液對中式半乾式香腸品質之影響

Effect of Addition of Toona sinensis Powder or Extract on the Qualities of Chinese Semi-Dry Sausage

摘要


本試驗之目的在探討添加香椿(Toona sinensis)對儲藏於4℃之中式半乾式香腸品質之影響。試驗分為5種處理,分別為:對照組、TP5、TP10(添加500或1,000 ppm香椿粉末,即依每公斤原料肉重量,添加500 mg或1,000 mg香椿粉末)、TE5與TE10(每公斤原料肉分別添加0.5或1.0 mL,內含相當由500 mg或1,000 mg香椿粉萃取之香椿萃取液)。香腸製作完成後於4℃儲藏6週,於第0、1、2、3、6週採樣,進行品質分析。結果顯示:各處理組pH值隨儲藏週數增加而下降(P<0.05),TP10在第3、6週與其他組相比,有最低的pH值(P<0.05)。色澤方面,各處理組L值在第2週明顯高於第0週(P<0.05),其後則逐漸下降。TP10在第0週a值顯著低於對照組與香椿萃取液添加組(P<0.05),在其後各週,香椿粉末添加組亦呈現較低的a值。b值在儲藏期間的變化與L值類似,也是在第2週達到最高,之後則逐漸下降,添加香椿粉末有降低b值的作用。TBARS、變性肌紅蛋白含量與總生菌數都會隨儲藏時間增加而上升,添加香椿粉末或是萃取液,都可使香腸的TBARS值與變性肌紅蛋白含量微幅下降,並且在儲藏期間可以明顯降低香腸的總生菌數(P<0.05)。在官能品評方面,添加香椿並不會明顯影響食用者的接受度。

並列摘要


The aim of this study was to evaluate the effect of the addition of Toona sinensis on the qualities of Chinese semi-dry sausage stored at 4°C. Toona sinensis added for comparison with control included TP5, TP10 (500 or 1,000 ppm toona powder; 500 or 1,000 mg toona powder/kg meat), TE5 and TE10 (toona extract from 500 or 1,000 mg toona powder/kg meat). All sausages were stored at 4°C for six weeks, and the qualities of the sausage were analyzed at weeks 0, 1, 2, 4 and 6. The result showed the pH values decreased (P<0.05) with increasing storage time. TP10 had the lowest pH values at week 4 and 6 as compared with other groups (P<0.05). L values reached the highest at week 2 (P<0.05), and then declined. The a values of TP10 at week 0 were lower than TE5, TE10 and the control groups (P<0.05), TP5 and TP10 also had lower a values in the following storage. The changes in b values were similar to those of the L values, reaching a maximum at week 2 and then decreasing. Our experiment also indicated toona powder negatively affected the b value. TBARS values and metmyoglobin contents were slightly decreased by toona, regardless of powder or extract addition. Toona addition could reduce total plate count numbers during storage (P<0.05). In respect of the sensory evaluation, the addition of toona did not affect overall acceptability.

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