頁籤選單縮合
題名 | 被覆處理對不添加重金屬皮蛋品質之影響=The Effect of Coating Treatments on the Storage Quality of Alkalized Egg without Addition of Heavy Metals |
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作 者 | 王政騰; 魏玉雲; 林榮新; 李育才; | 書刊名 | 畜產研究 |
卷期 | 30:1 1997.03[民86.03] |
頁次 | 頁67-74 |
分類號 | 463.7 |
關鍵詞 | 被覆; 重金屬; 皮蛋; 品質; Coating; Heavy metal; Alkalized egg; Quality; |
語文 | 中文(Chinese) |
中文摘要 | 試驗藉熱風乾燥及礦物油與生鮮鴨蛋白液被覆,冀以改善不添加重金屬皮蛋貯藏 期間之凝膠及色澤安定性。結果顯示,三處理組之蛋殼透水性均略低於對照組,效果以礦物 油及蛋白液被覆組較佳; 各組蛋白之 pH 值隨貯藏期下降, 惟組間差異不顯著 (P>0.05); 皮蛋蛋白、 蛋黃中揮發性鹽基態氮含量隨貯藏期緩增, 蛋白液被覆組顯著高於對照組 (P<0.05); 硫化氫含量於 12 週貯藏期間,蛋白被覆組穩定保持較高; 貯藏至第 6 週, 除 蛋白液被覆組,餘各組開始產生液化,至第 10 週僅熱風組及蛋白液被覆組凝膠性尚佳,然 迄 12 週,各組均有嚴重液化; 貯藏至第 6 週,對照組與礦物油被覆組開始有褪色,12 週 的貯藏期,就色澤而言以熱風乾燥及蛋白液被覆組表現最安定。 |
英文摘要 | The study was conducted to improve the rebounding and color stability of alkalized egg without addition of heavy metals during storage by treatments of hot air drying and coating with mineral oil or albumen. Results showed that the water vapor transmission of egg shell were less in the treatment groups than the control group. Samples coated with both mineral oil and albumen had better effects than the other two groups. The pH value of albumen of alkalized egg declined during storage in every group although there were no significant difference (P>0.05) between groups. The volatile basal nitrogen content in albument and yolk of all samples in creased slightly during storage. Group of those coated with albumen contained significantly (P<0.05) more VBN than that in control group. Compared with the other groups, the hydrogen sulphide content in yolk of the group coated with albumen was kept slightly more than the others. Liquefaction of eggs in all groups occurred at sixth week during storage except the albument coating group. After ten weeks storage, only the hot air drying and albumen coating groups had nice rebounding property, while all groups were liquidized seriously until the twelfth week. Discoloration of alkalized egg was found in both of control and mineral oil coating group at the sixth week. Groups of both hot air drying and albumen coating had best performance in color stability during twelve weeks storage. |
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