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Microbiological and physicochemical characteristics of buffalo milk used for dairy products in southern Brazil

机译：巴西南部乳制品水牛牛奶的微生物和物理化学特性

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摘要

In Brazil, the buffalo milk market has been growing. However, identity and quality standards have not been established for this raw material, nor have proper distinctions between buffalo milk and bovine milk been defined. Currently, the State of Rio Grande do Sul (RS) has only three producers that supply raw material for officially marketed derivatives. The aim of this study was to determine the identity and quality standards of raw buffalo milk in this region. Samples were obtained biweekly from three farm cooling tanks between June 2017 and August 2018, to reach a total of 69 samples. The averages for the results of the physicochemical parameters fat, protein, lactose, total solids, SNF (solids-not-fat), calcium, density, FP, acidity and SCC were 5.5g/100g, 4.06g/100g, 5.07g/100g, 15.5g/100g, 9.96g/100g, 0.161 g/100g, 1.034 g/ml, -0.527°C, 16°D and 95×10~3 cells/ml, respectively. With reference to the microbiological parameters, the mean of the Standard Plate Count (SPC) and thermotolerant coliforms were 9,0×10~4 CFU/ml and 1.6×10~2 MPN/ml, respectively. Regarding coagulase-positive staphylococci, 36 samples tested positive (52% of total). Neither Salmonella spp. Nor Listeria monocytogenes, nor antibiotic or antiparasitic residues were detected in any sample. In conclusion, the buffalo milk used as raw material for dairy products in southern Brazil demonstrated satisfactory physicochemical and microbiological characteristics, in accordance with recent scientific literature.
机译：在巴西，水牛牛奶市场一直在增长。然而，没有为这种原料建立身份和质量标准，没有定义水牛牛奶和牛奶之间的适当区别。目前，RIO Grande Do Sul（RS）的状态只有三种生产者提供官方销售衍生品的原材料。本研究的目的是确定该地区生水牛牛奶的身份和质量标准。从2017年6月和2018年8月之间的三个农场冷却罐中获得样品，达到69个样本。物理化学参数脂肪，蛋白质，乳糖，总固体，SNF（固体 - 非脂肪），钙，密度，FP，酸度和SCC的平均值为5.5g / 100g，4.06g / 100g，5.07g / 100g，15.5g / 100g，9.96g / 100g，0.161g / 100g，1.034g / ml，-0.527℃，16°D和95×10〜3个细胞/ ml。参考微生物参数，标准板计数（SPC）和热电子大肠的平均值分别为9.0×10〜4CFU / mL和1.6×10〜2 MPN / mL。关于凝固酶阳性葡萄球菌，36个样品测试阳性（总量的52％）。既不是沙门氏菌spp。在任何样品中检测到李斯特菌单核细胞增生，也不检测抗生素或抗寄生虫残留物。总之，根据近期科学文学，巴西南巴西乳制品用作乳制品原料的水牛牛奶令人满意的物理化学和微生物特征。

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  • 来源
    《Journal of dairy research》 |2020年第4期|463-468|共6页
  • 作者

    Fernanda M. S. Godinho; Melina Krug; Renata Perin Figueiredo; Alexandre Mueller; Louise Jank; Caroline Andrade Tomaszewski; Daniel Rodrigo Hillesheim; Eder J. Kinast; Ana Paula G. Frazzon; Amanda S. Motta;

  • 作者单位

    Postgraduate Program in Agricultural and Environmental Microbiology (PPGMAA) Universidade Federal do Rio Grande do Sul (UFRGS) Porto Alegre RS Brazil Centro de Desenvolvimento Cientifico e Tecnologico (CDCT) Centra Estadual de vigilancia em Saude (CEVS) Porto Alegre RS Brazil;

    Postgraduate Program in Agricultural and Environmental Microbiology (PPGMAA) Universidade Federal do Rio Grande do Sul (UFRGS) Porto Alegre RS Brazil;

    Postgraduate Program in Agricultural and Environmental Microbiology (PPGMAA) Universidade Federal do Rio Grande do Sul (UFRGS) Porto Alegre RS Brazil;

    Postgraduate Program in Chemistry(PPGQ) Universidade Federal do Rio Grande do Sul (UFRGS) Porto Alegre RS Brazil;

    Laborat6rio Federal de Defesa Agropecuaria LFDA/RS Ministerio da Agricultura Pecuaria e Abastecimento Porto Alegre RS Brazil;

    Laborat6rio Federal de Defesa Agropecuaria LFDA/RS Ministerio da Agricultura Pecuaria e Abastecimento Porto Alegre RS Brazil;

    Laborat6rio Federal de Defesa Agropecuaria LFDA/RS Ministerio da Agricultura Pecuaria e Abastecimento Porto Alegre RS Brazil;

    Universidade Estadual do Rio Grande do Sul (UERGS) Unidade Porto Alegre Porto Alegre RS Brazil;

    Postgraduate Program in Agricultural and Environmental Microbiology (PPGMAA) Universidade Federal do Rio Grande do Sul (UFRGS) Porto Alegre RS Brazil;

    Postgraduate Program in Agricultural and Environmental Microbiology (PPGMAA) Universidade Federal do Rio Grande do Sul (UFRGS) Porto Alegre RS Brazil;

  • 收录信息 美国《科学引文索引》(SCI);美国《生物学医学文摘》(MEDLINE);美国《化学文摘》(CA);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    buffalo milk; microbiology; milk properties; milk quality; legislation;

    机译：水牛牛奶;微生物学;牛奶属性;牛奶质量;立法;

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