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頁籤選單縮合
題 名 | 餿水豬肉品質之探討=Studies on the Quality of Swill-Fed Pork |
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作 者 | 陳義雄; 陳文賢; | 書刊名 | 中國畜牧學會會誌 |
卷 期 | 26:1 1997.03[民86.03] |
頁 次 | 頁67-76 |
分類號 | 473.6 |
關鍵詞 | 餿水; 豬肉品質; 脂肪; 融點; 碘價; 脂肪酸; Swill; Pork quality; Lipids; Melting point; Iodine value; Fatty acid; |
語 文 | 中文(Chinese) |
中文摘要 | 本試驗目的在於探討餿水豬肉與飼料豬肉品質之差異。試驗結果顯示餿水豬上市屠 體重( P<0.01 )及背脂厚度( P<0.05 )均高於飼料豬、 腰眼面積及瘦肉百分率( P<0.05 )均不及飼料豬屠體。 餿水豬背最長肌水分含量低於飼料豬肉( P<0.01 ),但粗 脂肪量高於飼料豬肉( P<0.01 )。 餿水豬肉乳化力不及飼料豬肉( P<0.01 ),屠後 24 小時之屠肉 pH 值低於飼料豬肉( P< 0.01 ),而 L 值則是餿水豬肉高於飼料豬肉 ( P< 0.01 )。從體脂肪融點 ( P<0.01)、碘價( P< 0.01 )及脂肪酸百分率顯示餿水豬脂肪 不飽和程度高,容易導致脂肪在儲存期間引發氧化酸敗,降低豬肉品質。 |
英文摘要 | The objective of this experiment was to investigate the difference bet ween swill-fed pork and feed-fed pork. The results showed that the carcass weight (P<0.01) and backfat thickness (P<0.05) of swill-fed pigs were higher than feed-fed pigs. Loin eye area and percent lean in feed-fed carcass were higher (P<0.01) than will-fed carcass. Moisture contents of Longissimus dorsi of will-fed pork was lower than feed-fed pork (P<0.01), but percent fat in swill-fed pork was higher than feed-fed pork (P<0.01).Water holding capacity and emulsifying capacity in feed-fed pork were higher than those in swill-fed pork(P<0.01). The pH value of 24-hr postmortem in swill-fed pork was lower than feed-fed pork (P<0.01), but the swill-fed pork had higher "L" value than feed-fed pork (P<0.01). The results of melting point, iodine number and fatty acid determinations showed higher unsaturated fatty acid contents in swill-fed pork, which would make the pork fat more vulnerable to oxidative rancidity during storaging period and thus lower down the pork quality. |
本系統中英文摘要資訊取自各篇刊載內容。