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DOI:	10.1371/journal.pone.0093361
论文题名:	Comparative Protein Composition Analysis of Goat Milk Produced by the Alpine and Saanen Breeds in Northeastern Brazil and Related Antibacterial Activities
作者:	Whyara Karoline Almeida da Costa; Evandro Leite de Souza; Edvaldo Mesquita Beltrão-Filho; Gracy Kelly Vieira Vasconcelos; Tatiane Santi-Gadelha; Carlos Alberto de Almeida Gadelha; Octavio Luiz Franco; Rita de Cássia Ramos do Egypto Queiroga; Marciane Magnani
刊名:	PLOS ONE
ISSN:	1932-6203
出版年:	2014
发表日期:	2014-3-27
卷:	9, 期:3
语种:	英语
英文关键词:	Goats ; Casein ; Ammonium sulfate precipitation ; Antibacterials ; Meteorology ; Bacteria ; Protein extraction ; Sulfates
英文摘要:	The protein composition of goat milk differs between goat breeds and could present regional trends. The aim of this study was to comparatively analyze the protein composition of goat milk produced by the Alpine and Saanen breeds in northeastern Brazil and to evaluate the antibacterial activity of its protein fractions. SDS-PAGE, 2-DE electrophoresis and RP-HPLC analyses revealed the absence of αs1-casein in the milk of both breeds and no differences between the αs2-casein, β-casein, β-lactoglobulin and α-lactalbumin profiles. The amounts of soluble proteins and β-casein hydrolysis residues were higher in Saanen milk. Only the protein fraction containing the largest amounts of casein (F60–90%) inhibited bacterial growth, with MIC values between 50 and 100 mg/mL. This study describe for the first time three important points about the goat milk protein of two Brazilian goat breeders: absence of α-s1 casein in the protein profile, differences between the milk protein composition produced by goats of Alpine and Saanen breeders and antibacterial activity of unbroken proteins (casein-rich fraction) present in these milk.
URL:	http://journals.plos.org/plosone/article/file?id=10.1371/journal.pone.0093361&type=printable
Citation statistics:
资源类型:	期刊论文
标识符:	http://119.78.100.158/handle/2HF3EXSE/18821
Appears in Collections:	过去全球变化的重建影响、适应和脆弱性科学计划与规划气候变化与战略全球变化的国际研究计划气候减缓与适应气候变化事实与影响

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File Name/ File Size	Content Type	Version	Access	License
journal.pone.0093361.PDF（593KB）	期刊论文	作者接受稿	开放获取	CC BY-NC-SA	View Download

作者单位:

Department of Food Engineering, Technology Center, Federal University of Paraíba, João Pessoa, Paraíba, Brazil;Department of Nutrition, Health Sciences Center, Federal University of Paraíba, João Pessoa, Paraíba, Brazil;Department of Food Engineering, Technology Center, Federal University of Paraíba, João Pessoa, Paraíba, Brazil;Department of Cellular Biology, Exact and Nature Science Center, Federal University of Paraíba, João Pessoa, Paraíba, Brazil;Department of Cellular Biology, Exact and Nature Science Center, Federal University of Paraíba, João Pessoa, Paraíba, Brazil;Department of Cellular Biology, Exact and Nature Science Center, Federal University of Paraíba, João Pessoa, Paraíba, Brazil;Center of Biochemical and Proteomic Analyses, Pos-Graduation of Biotechnology and Genomic Sciences, Catholic University of Brasilia, Distrito Federal, Brazil;Department of Nutrition, Health Sciences Center, Federal University of Paraíba, João Pessoa, Paraíba, Brazil;Department of Food Engineering, Technology Center, Federal University of Paraíba, João Pessoa, Paraíba, Brazil

Recommended Citation:

Whyara Karoline Almeida da Costa,Evandro Leite de Souza,Edvaldo Mesquita Beltrão-Filho,et al. Comparative Protein Composition Analysis of Goat Milk Produced by the Alpine and Saanen Breeds in Northeastern Brazil and Related Antibacterial Activities[J]. PLOS ONE,2014-01-01,9(3)

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