Full
Outline
To assess the nitrite exposure level and associated risk from typical foods consumed by residents in Sichuan Province.
Based on the nitrite content data of 969 samples of typical foods and the food consumption survey data of 4 504 residents aged 2-96 years in Sichuan Province, a probabilistic assessment method was adopted to evaluate nitrite exposure using 0.07 mg/(kg BW·d) as the acceptable daily intake (ADI).
The over-standard rate of nitrite in typical foods was 1.96% (19/969). Among them, the over-standard rates of pickled vegetables and meat products were 2.78% (9/324)and 3.09% (10/324). A total of 78.31% of the surveyed population consumed the typical foods; the average daily intake of meat products was the highest (17.50 g/d). The intake of pickled vegetables was relatively higher among residents aged ≥60 years,while the intake of meat products was relatively higher among those aged 18-59 years. The average nitrite exposure of the total population was 0.002 5 mg/(kg BW·d), accounting for 3.57% of the ADI. Meat products were the main source of nitrite,contributing 65.52% to the total exposure, and 0.25% of the population had exposure exceeding the ADI.
The health risk of nitrite exposure from typical foods among residents in Sichuan Province is generally low, but there is a potential risk for a small number of extreme consumers of typical foods. Meat products are the primary contributor to nitrite exposure.
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| 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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