Survey on the rate of microbial infection, contaminants of heavy metals and nitrite in bird’s nest form some southerwest provinces

Phong Le Hong, Hoang Bui Huy, Thi Nguyen Thi, Kim Cuc Nguyen Thi, Linh Luu Gia, Hang Bui Thi
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Abstract

This survey aimed at assessing the level of contamination with some microorganisms, some heavy metals and nitrite in semi-processed and raw bird's nest samples in a number of provinces and cities including Binh Phuoc, Binh Duong, Đong Nai, Binh Thuan, Tay Ninh, Ho Chi Minh, Kien Giang, An Giang, Bac Lieu, Can Tho, Gia Lai, Quang Nam, Quang Ngai, Phu Yen. Test results showed that E. coli, Staphylococcus aureus, Listeria monocytogenes, Bacillus cereus, arsenic, and cadmium were not detected in the collected samples; Salmonella, were detected in 03 semi-processed of total 84 samples, accounting for 3.57%. The mold infection rate accounted for 22.92% (11/48 samples); there were 14 raw bird's nest samples exceeding the permited limit of nitrite content, in 80 tested samples, accounting for 17.50% (14/80 samples); 02 semi-processed samples collected at the processing facility detected lead and mercury content exceeded the permitted limit, accounting for 2.50% (2/80 samples).  
西南部分省份燕窝微生物感染率、重金属和亚硝酸盐污染物调查
本次调查旨在评估平福、平阳、Đong奈、平顺、德宁、胡志明、坚江、安江、北寮、芹苴、家莱、广南、广义、富延等省市的半成品和生燕窝样本中一些微生物、一些重金属和亚硝酸盐的污染水平。检测结果未检出大肠杆菌、金黄色葡萄球菌、单核增生李斯特菌、蜡样芽孢杆菌、砷和镉;84份半成品样品中检出03份沙门氏菌,占3.57%。霉菌感染率占22.92%(11/48份);80个检测样本中,有14个生燕窝亚硝酸盐含量超标,占17.50% (14/80);加工设施收集的2个半成品样品检测出铅、汞含量超过允许限量,占2.50%(2/80个样品)。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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