Please use this identifier to cite or link to this item: http://hdl.handle.net/11455/71612
標題: Detection of lactoferrin in bovine and goat milk by enzyme-linked immunosorbent assay
作者: Chen, P.W.
毛嘉洪
Mao, F.C.
關鍵字: lactoferrin;milk;ELISA;iron-binding protein;antibacterial activity;beta-lactoglobulin;clinical mastitis;serum;cows;stability;oxidation;peptides
Project: Journal of Food and Drug Analysis
期刊/報告no:: Journal of Food and Drug Analysis, Volume 12, Issue 2, Page(s) 133-139.
摘要: 
Lactoferrin (LF) has been proposed as a multifaceted functional ingredient of food. A competitive enzyme-linked immunosorbent assay (ELISA) was established to determine the LF in milk by using bovine LF antiserum and bovine LF-Biotin conjugate. The LF concentration in cow milk samples could be determined by this ELISA. However, the LF concentration in goat milk could not be measured using this method. Thus, the goat LF ELISA was established using goat LF-Biotin conjugate to measure the LF concentration in goat milk. Milk samples were collected for measurement of their LF concentrations. The mean LF level for the individual cow milk samples with the somatic cell count (SCC) below 1 x 10(5), 1 to 2.5 x 10(5) or 2.5 x 10(5) to 5 x 10(5) cells/mL was found to be about 176, 466 or 742 mug/mL, respectively. On the other hand, the LF level was about 200 mug/mL in goat bulk milks with the methylene blue reduction test (MBRT) time more than 5 hr. In conclusion, both LF ELISA methods developed in this study could be successfully used to determine the LF concentration in goat and cow milk.
URI: http://hdl.handle.net/11455/71612
ISSN: 1021-9498
Appears in Collections:獸醫學院

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