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Articles

Occurrence and risk assessment of sterigmatocystin in agricultural products and processed foods in Korea

, , , &
Pages 373-381 | Received 08 Jul 2021, Accepted 05 Oct 2021, Published online: 12 Jan 2022
 

ABSTRACT

Sterigmatocystin (STC), a carcinogenic mycotoxin, is known to be produced during the biosynthetic pathway of aflatoxin B1. STC in various foods was determined by LC-MS/MS and its risks were assessed. The analytical method was validated in different food categories, and the performance was acceptable based on the criteria of AOAC. A total 1,135 samples (613 agricultural products and 522 processed foods) were analysed, and STC was detected in 46 samples, indicating a detection rate of 4.1%. STC was found in the range of 0.08–10.07 ng/g, and the detection rates of STC were 3.9% in agricultural products and 4.2% in processed foods. The exposure to STC by average consumption of foods was estimated to 0.09 ng/kg b.w./day. The margin of exposure (MOE) approach was applied to assess the risk of STC, and MOE for the whole population was over 1 × 106. Exposure to STC from the consumption of foods distributed in Korea is unlikely to cause human health problems.

Disclosure statement

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

Additional information

Funding

This study was supported by a grant [19161MFDS022] from the Ministry of Food and Drug Safety in 2019.

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