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題名:酸鹼、熱處理及儲藏條件對微膠囊化牛初乳與乳清中IgG安定性之影響     (16點)
Effects of pH, Thermal Processing, and Storage Conditions on the Stability of Immunoglobulin G (IgG) in Microencapsulated Bovine Colostrums and Whey
著者:陳志瑋(Chih-Wei Chen) ;沈子偉(TZU-WEI SHEN) ;江淑華(Shu-Hua Chiang) ;王秀育(Shiu-Yu Wang) ;張基郁(Chi-Yue Chang)
出版地區:台灣
出版城市:彰化縣
學科:自科綜合 ; 應科綜合
關鍵字:牛初乳 ; β-環狀糊精 ; 幾丁聚醣 ; 阿拉伯膠 ; 微膠囊化 ; bovine colostrums ; β-cyclodextrin ; β-CD ; chitosan ; gum arabic ; microencapsulation
刊名:科學與工程技術期刊
卷期:6卷4期(2010.12)
頁碼:59-66
語言:繁體中文
摘要: 中文摘要PDF ; 英文摘要PDF

本研究以取自母牛分挽後第2 、3 、4 天分泌且等體積混合的乳汁作為材料,以阿拉伯膠、 β環狀糊精或幾丁聚臨之\0%水溶液,分別依1 : 4 體積比和牛初乳或乳清混合,以冷凍及噴 霧乾燥法進行微膠囊化,並探討pH 值、熱處理及儲藏時間對微膠囊化初乳與乳清中IgG 安定 性之影響。結果顯示, 在酸鹼安定性方面,未微膠囊化之初乳在pH 7 ~ 8 有較高之IgG 活性, 經微膠囊化者則以阿拉伯膠所得者在pH 7 ~ 8 時有較高之IgG 活性。在熱安定性方面,阿拉伯 膠和β環狀糊精對於初乳或乳清之IgG 均具有保護作用。在儲藏條件方面, 儲藏溫度與包裝材 質對於初乳或乳清之IgG 殘存活性有顯著影響, 在4 0 C 儲存60 天後之IgG 活性較室溫高, 以 鋁袋包裝儲存者高於以透明塑膠袋包裝者,以阿拉伯膠微膠囊化之初乳在40 C 儲存60 天後之 IgG 殘存活性顯著高於未微膠囊化者。
The bovine colostrums collected from the second, third, and fourth days postpartum were mixed with an equal volume and used as the raw materials. A \0% aqueous solution of gum arabic, ß-cyclodextrin or chitosan was added in an equal volume of colostrums or whey, and microencapsulated through freeze-drying and spray-drying methods. The effects of pH, thermal processing, and storage conditions on the stability of the immunoglobulin G (IgG) in microencapsulated colo strums and whey were investigated. Results showed that non-microencapsulated colostrums were found to have higher IgG activity at pH 7-8 than at other pH values. The microencapsulated colostrums with gum arabic were found to have higher IgG residual activity at a pH 7- 8. For thermal stability, gum arabic and ~-cyclodextrin (~-eD) were found to have a protective effect on IgG activity of colostrums and whey. For storage conditions, storage temperature and packaging materials were found to have a significant impact on residual IgG activity of colostrums and whey. After being stored for 60 days at 4 °C, the IgG activity was found to be higher than those stored at room temperature were. As for packaging materials, aluminum bag-packed colostrums and whey were found to have higher IgG activity than transparent plastic bag-packed colostrums. After storage for 60 days at 4°C, the microencapsulated colo strums with gum arabic were found to have significantly higher IgG residual activity than the non-microencapsulated colostrums.


    

本卷期目次
科學與工程技術期刊 6卷4期 (2010.12)
System-Level Performance Analysis of Integrated Thermal Plasma Reformer and SOFC/GT System Using Greenhouse Gases as Fuels/ Huan-Liang Tsai
機械手臂控制器之可程式系統晶片設計與實現/ 林穎宏蔡政哲
應用於模擬心臟跳動的模型建立與處理方法/ 鄧志堅陳俊清
微脂粒包覆CoQ10之製備與特性評估研究/ 陳麗妃鍾曉慧陳崇裕
化學合成法中利用纖維素作為分散劑合成微細銅粉之初探研究/ 彭御賢
酸鹼、熱處理及儲藏條件對微膠囊化牛初乳與乳清中IgG安定性之影響/ 陳志瑋沈子偉江淑華王秀育張基郁
線控四輪轉向系統之車輛操控特性研究/ 張舜長蘇育斌
小型競賽車風阻之實驗與數值探討及設計改進/ 吳佩學謝琛張順富羅翊文
 
   
 
   

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