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Original Articles

Benzoic and propionic acids in fishery products on the Korean market

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Pages 185-192 | Received 08 Jan 2020, Accepted 11 Apr 2020, Published online: 01 May 2020
 
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ABSTRACT

A new pretreatment technique for the sensitive and accurate determination of benzoic and propionic acids in fishery products by HPLC-DAD and GC-MS was established to address the regulatory problem posed by the natural metabolic production of preservatives during food processing. A total of 786 samples (332 raw fish and 454 processed fish products) were investigated. Benzoic acid was detected in 2.4% of raw fish samples, 9.7% of processed product samples, while the corresponding numbers for propionic acid equalled 88.3% and 94.7% respectively. As are result of monitoring the samples obtained from the Korean market, propionic acid was detected in most samples, but benzoic acid was detected in some fish. These results provide fundamental data regarding naturally occurring preservatives in fishery. As a result of these databases in fishery could be used as important data for the judgement that they are naturally originated preservatives.

Disclosure statement

No potential conflict of interest was reported by the author(s).

Additional information

Funding

This work was supported by a grant from the Korea Food Research Institute (KFRI) (No. E0187402-01) and the Korea Institute of Planning and Evaluation for Technology in Food, Agriculture, Forestry and Fisheries (119027-3).

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