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Tạp chí quốc tế 2016
Số tạp chí 68(2016) Trang: 425-431
Tạp chí: LWT - Food Science and Technology
Liên kết:

This study investigated the continuous dosing of chlorine to the wash water by means of a pump to maintain antimicrobial levels of free chlorine in the wash water during the washing of 12 batches of Pangasiusfillets. In comparison to the control (no chlorination), total psychrotrophic bacteria were reduced by between 2 and 4 log CFU/100 ml. After thefinal batch was washed, total chlorine and organic matter in the water sampled had accumulated to 482.9±17.0 ppm and 4447.5 ±187.4 mg O2/L, respectively. However, only 8.9±1.3mg/L of trihalomethanes was formed in the chlorinated wash water whereas no trihalomethanes were detected in the washedPangasiusfillets after rinsing. It was concluded that the Pangasiusfillets washed in chlorinated water continuously dosed with chlorine were safe for human consumption even after a throughput of 12 batches. However, the organoleptic properties of Pangasiusfillets washed in the final batch differed significantly from those washed earlier batches.

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