唑虫酰胺在西兰苔中的残留消解动态与膳食风险评估

doi:10.3969/j.issn.1004-1524.2023.01.20

浙江农业学报 ›› 2023, Vol. 35 ›› Issue (1): 184-190.DOI: 10.3969/j.issn.1004-1524.2023.01.20

唑虫酰胺在西兰苔中的残留消解动态与膳食风险评估

吴耀¹(), 章钢明², 周成云², 吴燕君¹, 张丹¹, 董代幸², 洪文英¹^,^*()

1.杭州市农业技术推广中心,浙江杭州 310016
2.杭州市富阳区农业技术推广中心,浙江杭州 311400

收稿日期:2021-07-29 出版日期:2023-01-25 发布日期:2023-02-21
通讯作者: *洪文英,E-mail: hongwy@hz.cn
作者简介:吴耀(1969—),男,浙江义乌人,高级农艺师,从事农产品质量安全工作。E-mail: 526911793@qq.com
基金资助:
杭州市科技计划引导项目(20201231Y016)

Residue dynamics and dietary intake risk assessment of tolfenpyrad in broccolini

WU Yao¹(), ZHANG Gangming², ZHOU Chengyun², WU Yanjun¹, ZHANG Dan¹, DONG Daixing², HONG Wenying¹^,^*()

1. Hangzhou Centre for Agricultural Technology Extension, Hangzhou 310016, China
2. Fuyang Centre for Agricultural Technology Extension of Hangzhou City, Hangzhou 311400, Zhejiang, China

Received:2021-07-29 Online:2023-01-25 Published:2023-02-21

摘要/Abstract

摘要：

通过田间试验研究露地栽培条件下唑虫酰胺在西兰苔上的消解动态和最终残留情况,明确使用该药剂防治害虫可能产生的食用安全风险。结果表明,15%唑虫酰胺悬浮剂按2倍最高推荐剂量(有效成分225 g·hm^-2)施药1次,在西兰苔上的消解半衰期为3.35 d。最终残留量试验结果表明,该药剂的残留超标风险与田间用药量、用药次数正相关。经膳食风险评估,以225 g·hm^-2的剂量施药1次,药后1 h~17 d风险商值RQ均小于1,施药2~3次则药后1~7 d均存在较大膳食风险;以112.5 g·hm^-2的剂量施药2次,药后3 d起膳食风险处于可接受水平。建议生产中采用15%唑虫酰胺悬浮剂以有效成分112.5 g·hm^-2的剂量用药,每季最多使用2次,在露地栽培西兰苔上安全间隔期为5 d。

关键词: 唑虫酰胺, 西兰苔, 消解动态, 安全间隔期, 膳食风险

Abstract:

The residue dissipation dynamics of tolfenpyrad in open field cultivation of broccolini was analyzed, and the dietary intake risk was assessed by field trial data. The results of residue tests showed that the half-life of tolfenpyrad in broccolini was 3.35 d when the 15% tolfenpyrad SC was applied once at double recommended dosages (225 g·hm^-2). The residue risk in the harvested broccolini was positively correlated with application dose and spraying frequencies by final residue tests. The risk assessments showed that risk quotients (RQ) of tolfenpyrad were below 1 from 1 h to 17 d after one application of the pesticide at 225 g·hm^-2 but there were big risks from 1d to 7 d after two or three applications. The dietary risk of tolfenpyrad in broccolini was accepted after 3 d by two applications at 112.5 g·hm^-2. The safety interval was suggested to be 5 d in the open field if the recommended dosages (112.5 g·hm^-2) was applied no more than 2 times.

Key words: tolfenpyrad, broccolini, dissipation dynamics, safety interval, dietary intake risk

中图分类号:

S481.8

吴耀, 章钢明, 周成云, 吴燕君, 张丹, 董代幸, 洪文英. 唑虫酰胺在西兰苔中的残留消解动态与膳食风险评估[J]. 浙江农业学报, 2023, 35(1): 184-190.

WU Yao, ZHANG Gangming, ZHOU Chengyun, WU Yanjun, ZHANG Dan, DONG Daixing, HONG Wenying. Residue dynamics and dietary intake risk assessment of tolfenpyrad in broccolini[J]. Acta Agriculturae Zhejiangensis, 2023, 35(1): 184-190.

图/表 8

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时间 Time/min	0.1%甲酸乙腈 Formic acid-acetonitrile /%	水 Water/%
0	30	70
2.00	100	0
4.00	100	0
4.10	30	70
7.50	30	70

时间 Time/min	0.1%甲酸乙腈 Formic acid-acetonitrile /%	水 Water/%
0	30	70
2.00	100	0
4.00	100	0
4.10	30	70
7.50	30	70

离子对信息 Ion pair/(m/z)	Q1/V	碰撞能量 Collision energy /eV	Q3/V
384.00>197.05^*	-12.0	-25.0	-13.0
384.00>145.10	-12.0	-28.0	-14.0

离子对信息 Ion pair/(m/z)	Q1/V	碰撞能量 Collision energy /eV	Q3/V
384.00>197.05^*	-12.0	-25.0	-13.0
384.00>145.10	-12.0	-28.0	-14.0

施药次数 Application times	采收间隔期 Pre-harvest interval/d	残留量 Residues/(mg·kg^-1)
施药次数 Application times	采收间隔期 Pre-harvest interval/d	112.5 g·hm^-2	225 g·hm^-2
2	1	1.003 0	3.036 7
	3	0.511 3	1.816 7
	5	0.470 7	1.056 3
	7	0.336 7	1.035 7
	14	0.088 0	0.327 3
	17	0.056 0	0.137 6
	21	0.012 1	0.125 1
3	1	2.430 0	3.303 3
	3	1.298 7	3.136 7
	5	1.009 7	2.186 7
	7	0.694 3	1.740 0
	14	0.292 7	0.746 0
	17	0.108 1	0.223 9
	21	0.191 3	0.099 6

唑虫酰胺在西兰苔中的残留消解动态与膳食风险评估

Residue dynamics and dietary intake risk assessment of tolfenpyrad in broccolini

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参考文献 20

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试验类型 Test types	施药次数 Application times	采收间隔期 Pre-harvest interval/d	估计暴露量 EED /(mg·kg^-1)		风险商RQ
试验类型 Test types	施药次数 Application times	采收间隔期 Pre-harvest interval/d	112.5 g·hm^-2	225 g·hm^-2	112.5 g·hm^-2	225 g·hm^-2
消解动态试验	1	0(1 h)	—	0.007 0	/	1.159 7
Decline dynamic test		1	—	0.003 7	—	0.611 5
		3	—	0.001 5	—	0.255 3
		5	—	0.001 3	—	0.220 9
		7	—	0.001 1	—	0.185 8
		10	—	0.000 6	—	0.095 1
		14	—	0.000 2	—	0.040 3
		17	—	0.000 1	—	0.024 7
最终残留量试验	2	1	0.008 0	0.024 1	1.326 7	4.016 8
Final residue test		3	0.004 1	0.014 4	0.676 3	2.403 0
		5	0.003 7	0.008 4	0.622 6	1.397 2
		7	0.002 7	0.008 2	0.445 4	1.370 0
		14	0.000 7	0.002 6	0.116 4	0.432 9
		17	0.000 4	0.001 1	0.074 1	0.182 0
		21	0.000 1	0.001 0	0.016 0	0.165 5
	3	1	0.019 3	0.026 2	3.214 3	4.369 4
		3	0.010 3	0.024 9	1.717 9	4.149 1
		5	0.008 0	0.017 4	1.335 6	2.892 5
		7	0.005 5	0.013 8	0.918 4	2.301 6
		14	0.002 3	0.005 9	0.387 2	0.986 8
		17	0.000 9	0.001 8	0.143 0	0.296 2
		21	0.001 5	0.000 8	0.253 0	0.131 7

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