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Toxigenic capacity of rice fungi in Harbin Area and risk assessment of fungal toxin contamination in commercially available rice
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Huan-Chun YANG1, Xiang-Cai CHANG1, Xiang-Dong SUN2, *
Journal of Food Safety & Quality | 2025, 16(13) : 291 - 298
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Journal of Food Safety & Quality | 2025, 16(13): 291-298
• Food Safety Supervision and Management •
Toxigenic capacity of rice fungi in Harbin Area and risk assessment of fungal toxin contamination in commercially available rice
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Huan-Chun YANG1, Xiang-Cai CHANG1, Xiang-Dong SUN2, *
Affiliations
  • 1 School of Chemistry and Chemical Engineering, Anshun University, Anshun 561000, China
  • 2 Quality and Safety Institute of Agricultural Products, Heilongjiang Academy of Agricultural Sciences, Harbin 150086, China
Published: 2025-07-15 doi: 10.19812/j.cnki.jfsq11-5956/ts.20250208004
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Objective To investigate the contamination of fungal toxins in locally produced rice in Harbin Area, and conduct a risk assessment. Methods The content of aflatoxin B1 (AFB1) and ochratoxin A (OTA) in commercially available locally produced Daohuaxiang No.2 rice were detected using liquid chromatography-tandem mass spectrometry. Through Monte Carlo simulation, non-parametric probabilistic assessment methods and point assessment methods were employed to evaluate the dietary exposure risk of different populations in Harbin to AFB1 and OTA through the consumption of rice. Results A dietary exposure model for AFB1 and OTA has been established. This study found that both AFB1 and OTA pose a high risk to children, especially those with high consumption levels, who had a greater potential risk of developing liver cancer through rice consumption. Conclusion The overall health risk of AFB1 and OTA exposure through rice consumption among residents in Harbin is relatively low. However, there is a significant potential health risk for high-consuming children, which requires much more attention. Apparent health risks were not found for other populations.

Harbin  /  rice  /  fungi  /  toxins  /  risk assessment
Huan-Chun YANG, Xiang-Cai CHANG, Xiang-Dong SUN. Toxigenic capacity of rice fungi in Harbin Area and risk assessment of fungal toxin contamination in commercially available rice[J]. Journal of Food Safety & Quality, 2025 , 16 (13) : 291 -298 . DOI: 10.19812/j.cnki.jfsq11-5956/ts.20250208004
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Year 2025 volume 16 Issue 13
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Article Info
doi: 10.19812/j.cnki.jfsq11-5956/ts.20250208004
  • Receive Date：2025-02-08
  • Online Date：2026-01-12
  • Published：2025-07-15
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  • Received：2025-02-08
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Affiliations
    1 School of Chemistry and Chemical Engineering, Anshun University, Anshun 561000, China
    2 Quality and Safety Institute of Agricultural Products, Heilongjiang Academy of Agricultural Sciences, Harbin 150086, China
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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