阿拉戈斯州社区水箱牛奶中的细菌数量和体细胞数量

Karla Danielle Almeida Soares, Elizabeth Simões do Amaral Alves, João Manoel da Silva, Andrezza Cavalcanti de Andrade, Maria Goretti Varejão da Silva, Daniel Dias da Silva, Vilton Edson Figueirôa de Moura, Maria Betânia de Queiroz Rolim, Anísio Francisco Soares, Elizabeth Sampaio de Medeiros
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引用次数: 0

摘要

牛奶是奶牛乳腺分泌的高营养液体,是大部分人口的重要食物来源。因此,确保牛奶的质量和安全至关重要。本研究的目的是评估阿拉戈斯州社区扩建储奶罐中生奶的菌落总数和体细胞数。在研究过程中,研究人员分别于 2013 年 1 月、2 月、5 月和 8 月从阿拉戈斯州三个中区的 23 个城市的乳腺区采集了 160 份牛奶样本。这些样本被装在适当的容器中,送往牛奶质量网络实验室进行体细胞计数(SCC)和平板计数(PC)分析。分析结果显示,79.4%(127/160)的样本符合立法规定的体细胞数标准,20.6%(33/160)的样本不符合标准。在 PC 方面,100% 的样本(160/160)不符合法律规定的限值。研究结果表明,8 月份不符合 SCC 标准的样本比例较高,5 月份不符合 PC 标准的样本比例最高。研究地区的 SCC 和 PC 平均值显示,东部地区的 SCC 平均值(748 235.3 个细胞/毫升)与其他地区有显著差异,而 PC 平均值(1 853 029.4 个 CFU/毫升)与其他地区相比没有显著差异。我们注意到,12.5% 的样本脂肪含量超出了允许范围,总蛋白质含量介于 2.4 至 3.86(克/100 克)之间,乳糖含量介于 3.42 至 5.42(克/100 克)之间。因此,可以得出结论,所有样本都不符合 PC 法规,尤其是在该州东部地区,这表明牛奶的提取、保存或冷却过程存在问题。建议采取纠正和教育措施,以提高产品质量。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Bacterial count and somatic cell count in milk from community tanks in Alagoas
Milk is a highly nutritious liquid produced by the mammary glands of cows, serving as a crucial food source for a significant portion of the population. Therefore, ensuring its quality and safety is essential. The purpose of this study is to evaluate the Plate Count and Somatic Cell Count of raw milk from community expansion tanks in the state of Alagoas. For the research, 160 milk samples were collected from mammary quarters in the months of January, February, May, and August 2013, across 23 municipalities covering the three mesoregions of the state of Alagoas. The samples were sent in appropriate containers to the Milk Quality Network Laboratory for Somatic Cell Count (SCC) and Plate Count (PC) analysis. After analysis, it was found that 79.4% (127/160) of the samples met the criteria established by legislation for SCC, while 20.6% (33/160) did not. For PC, 100% (160/160) of the samples were non-compliant with the limits set by legislation. The study highlighted a higher percentage of samples outside the SCC standard in August and the PC with the highest percentage of non-compliance occurring in May. The average SCC and PC for the studied regions showed a significant difference in SCC mean (748,235.3 cells/mL) in the East region, with no significant difference in PC, having the lowest mean (1,853,029.4 CFU/mL) compared to other regions. It was noted that 12.5% of the samples had a fat measurement outside the allowed range, total proteins ranged from 2.4 to 3.86 (g/100g), and the amount of lactose ranged from 3.42 to 5.42 (g/100g). Thus, it can be concluded that all samples were non-compliant with legislation for PC, particularly in the eastern region of the state, indicating issues with the milk extraction, preservation, or cooling process. Implementation of corrective and educational measures is suggested to improve the quality of the product.
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