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

Le Hong Phong Bui Huy Hoang Nguyen Thi Thi Nguyen Thi Kim Cuc Luu Gia Linh Bui Thi Hang
Received: 22 Aug 2022
Revised: 25 Nov 2022
Accepted: 25 Nov 2022
Published: 31 Mar 2023

Article Details

How to Cite
Le Hong Phong, Bui Huy Hoang, Nguyen Thi Thi, Nguyen Thi Kim Cuc, Luu Gia Linh, Bui Thi Hang. "Survey on the rate of microbial infection, contaminants of heavy metals and nitrite in bird’s nest form some southerwest provinces". Vietnam Journal of Food Control. vol. 6, no. 1, pp. 12-23, 2023
PP
12-23
Counter
362

Main Article Content

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).

Keywords:

Bird's nest, residues, heavy metals, bacteria, fungi.

References

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