市售豆芽植物生长调节剂膳食暴露评估  

Dietary exposure and risk assessment of plant growth regulator residues in bean sprout sold in markets

作　　者：何国群[1,2] 黄芮[3] 龙朝阳[2] 李少霞[2] 陈子慧[3] 梁旭霞[2] 王雯[2] 顿中军[3] 杨杏芬[2] 

机构地区：[1]中山大学公共卫生学院,广东广州510080 [2]广东省疾病预防控制中心 [3]广东省疾病预防控制中心广东省公共卫生研究院

出　　处：《华南预防医学》2016年第2期124-128,共5页South China Journal of Preventive Medicine

基　　金：卫生公益性行业科研项目(201302005)

摘　　要：目的了解某市市售豆芽中常用植物生长调节剂的含量,评估居民由于食用豆芽摄入植物生长调节剂的健康风险。方法采用单纯随机抽样的方法,采集某市农贸市场和超市销售的黄豆芽和绿豆芽样品,采用高效液相色谱-质谱法检测样品中4-氯苯氧乙酸(4-CPA)、2,4-二氯苯氧乙酸(2,4-D)、萘乙酸、赤霉素、吲哚丁酸的含量,结合广东省居民豆芽消费量调查数据,用点评估的方法评估居民对市售豆芽中植物生长调节剂的暴露水平。结果共抽取农贸市场和超市豆芽样品78份,其中黄豆芽45份、绿豆芽33份。黄豆芽中检出4-CPA、2,4-D含量均值分别为0.097、0.004 mg/kg,绿豆芽中4-CPA的含量均值为0.026 mg/kg;黄豆芽消费人群4-CPA、2,4-D平均暴露量分别为6.2×10^(-5)、2.5×10^(-6)mg/(kg bw·d),分别占健康指导值的1.03%、0.02%;黄豆芽高消费量人群(P97.5消费量)4-CPA、2,4-D暴露量分别为2.0×10^(-4)、8.3×10^(-6)mg/(kg bw·d),分别占健康指导值的3.33%、0.08%;绿豆芽消费人群4-CPA平均暴露量为1.6×10-5mg/(kg bw·d),占健康指导值的0.27%;绿豆芽高消费量人群(P97.5消费量)4-CPA暴露量为3.6×10^(-5)mg/(kg bw·d),占健康指导值的0.60%。豆芽样品中萘乙酸、赤霉素和吲哚丁酸的含量未检出。结论某市市售豆芽中检出微量植物生长调节剂4-CPA和2,4-D,对居民的膳食暴露水平远远低于健康指导值,经评估豆芽中5种植物生长调节剂的膳食暴露不会对居民构成健康风险。Objective To investigate contents of plant growth regulator （PGR） residues in bean sprout sold in market in a city and to estimate the health risk of dietary PGR intake from bean sprout. Methods Using simple random sampling method, samples of soybean sprouts and mungbean sprouts were collected from farmers markets and supermarkets. Contents of 4-Chlorophenoxyaceticacid, 2,4-Dichloro- phenoxyacetic acid, Naphthaleneacetic acid, Gibberellin, and indolebutyric acid in the samples were deter- mined by high-performance liquid chromatography tandem mass spectrometry. The exposure risk to resi- dents caused by the PGR s in bean sprouts was evaluated. Results A total of 78 samples were collected from farmers markets and supermarkets in the city, including 45 samples of soybean sprouts and 33 samples of mungbean sprouts. The average contents of 4-Chlorophenoxyaceticacid and 2,4-Dichlorophenoxyacetic acid were 0.097 and 0.004 mg/kg in the soybean sprouts, respectively. The average content of 4-Chloro- phenoxyaceticacid was 0.026 mg/kg in the mung sprouts. The average exposure level of 4-Chlorophenoxy- aceticacid and 2,4-Dichlorophenoxyacetic acid in soybean sprout were 6.2 ×10 -5 and 2.5 × 10 -6 mg/ （ kg bw · d）, accounting for 1.03% and 0.02% of the health guidance values. The high dietary exposure level of 4-Chlorophenoxyaceticacid and 2,4-Dichlorophenoxyacetic acid in soybean sprout were 2.0 × 10-4 and 8.3 × 10 -4 rag,/ （ kg bw · d）, accounting for 3.33% and 0.08% of the health guidance values, respec- tively. The average dietary exposure level and high dietary exposure level of 4-Chlorophenoxyaceticacid in mung sprout were 1.6 × 10-5 and 3.6 × 10-3 mg/（kg bw·d）, accounting for 0.27% and 0.60% of the health guidance values, respectively. Naphthaleneacetic acid, Gibberellin, and indolebutyric acid were not detectable in the sprout samples. Conehtston PGRs g-Chlorophenoxyaceticacid and 2,4-Dichlorophenoxy- acetic acid could be detected in bean sprouts purchased in the markets in a city. The dieta

关 键 词：豆芽 植物生长调节物 危险性评估 

分 类 号：R155.3[医药卫生—营养与食品卫生学]