Effects of Pesticides on Growth and Food Safety of Tremella fuciformis
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摘要:
目的 研究不同农药对我国两种银耳(Tremella fuciformis Berk)主栽品种Tr01、Tr21生长及农药残留的影响。 方法 采用拌料方式添加不同质量浓度的9组(11种)农药处理,测定各组银耳生长性状、产量、农药残留并开展质量安全风险评估。 结果 在9组农药拌料栽培处理条件下,联苯菊酯、啶虫脒、氯氰菊酯、阿维菌素、乙酰甲胺磷、咪鲜胺、吡虫啉、异丙威、哒螨灵、克百威、毒死蜱11种农药在500 、1 000、2 000 mg·kg−1拌料质量浓度下,除吡虫啉组外,其他农药拌料组银耳均未检出农药残留。银耳中吡虫啉残留引起的最高膳食急性、慢性风险熵分别为0.006、0.000 9,远小于1,说明其膳食健康风险极低。20%异丙威乳油拌料添加会导致银耳子实体无法正常生长。3.5%氯氰菊酯、1.5%啶虫脒微乳剂,5%阿维菌素乳油,30%乙酰甲胺磷乳油拌料添加会显著降低银耳Tr01的产量。3%联苯菊酯、3%啶虫脒微乳剂,3.5%氯氰菊酯、1.5%啶虫脒微乳剂拌料添加会显著降低银耳Tr21的产量。 结论 银耳品种Tr01比品种Tr21更易受农药影响;异丙威等部分农药种类会抑制银耳生长;在试验条件下,银耳中的农药残留膳食风险处于可接受水平。 Abstract:Objective Effect of various pesticides on the growth of Tremella fuciformis Berk and the food safety assessment on the pesticide residues were studied. Method Two major T. fuciformis Berk cultivars, Tr01 and Tr21, of Gutian County in Fujian were cultivated on substrates under 9 treatments that applied 11 pesticides in varied concentrations to monitor the fungal growth and yield. Upon maturation, fruiting bodies were harvested for chemical analysis to determine the health risk of pesticide residues for food consumption. Result Other than imidacloprid, none of the tested pesticides left a detectable residue in the fruiting bodies. Even the highest hazard quotients (HQs) of imidacloprid on the acute and chronic health risks were far below 1 at 0.006 and 0.000 9, respectively. The application of 20% isoprocarb emulsion caused deformation on the fruiting bodies of both varieties. On fungal yield, among the pesticides, 3.5% cypermethrin and 1.5% acetamiprid microemulsion reduced the yields of both cultivars; 5% avermectin emulsion and 30% acephate emulsion lowered the yield of Tr01; and, 3% bifenthrin and 3% acetamiprid microemulsion decreased the yield of Tr21. Conclusion The growth of Tr01 was more sensitivity to pesticide applications than Tr21, and neither T. fuciformis cultivars could develop normally on substrate with the presence of isoprocarb. Within the treatment limits applied in this study, the pesticide residues in the fruiting bodies seemed to post little health risk for consumers. -
Key words:
- Tremella fuciformis Berk /
- risk assessment /
- pesticide /
- cultivation substrate /
- yield
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表 1 供试农药、剂型及其生产企业
Table 1. Formulations and manufacturers of pesticides under test
处理 Group 农药 Pesticide 剂型 Formulation 生产企业 Manufacturer P1 3%联苯菊酯,3%啶虫脒
Bifenthrin, Acetamiprid微乳剂
Micro-emulsion青岛正道药业有限公司
Qingdao Zhengdao Pharma Co., Ltd.P2 3.5%氯氰菊酯,1.5%啶虫脒
Cypermethrin, Acetamiprid微乳剂
Micro-emulsio山东荣邦化工有限公司
Shandong Rongbang Chemical Industry Co, Ltd.P3 5% 阿维菌素
Abamectin乳油
Emulsifiable concentrate山东金锐特生物科技有限公司
Shandong Jinruite Bio-technology Co., Ltd.P4 30% 乙酰甲胺磷
Acephate乳油
Emulsifiable concentrate重庆农药化工(集团)有限公司
Chongqing Pesticide Chemical Co., Ltd.P5 45% 咪鲜胺
Prochloraz乳油
Emulsifiable concentrate德国奥利恩作物保护有限公司
Germany Aolien crop protection Co., Ltd.P6 10% 吡虫啉
Imidacloprid粉剂
Dustpowder济南一农化工有限公司
Jinan Yinong Chemical Industry Co., Ltd.P7 20% 异丙威
Isoprocarb乳油
Emulsifiable concentrate江苏辉胜农药有限公司
Jiangsu Huisheng Pesticide Co., Ltd.P8 5% 哒螨灵,5% 啶虫脒
Pyridaben, Acetamiprid微乳剂
Micro-emulsio深圳诺普信农化股份有限公司
Shenzhen Noposion International Investment Co., Ltd.P9 1% 丁硫克百威,4% 毒死蜱
Carbosulfan, Chlorpyrifos颗粒剂
Granules西安瑞邦化工有限公司
Xi’an Ruibang Chemical Industry Co., Ltd.表 2 常压灭菌对银耳培养料中11种农药降解的影响
Table 2. Effect of sterilization on degradation of 11 pesticides in substrate for Tremella fuciformis cultivation
编号 处理
Group灭菌前
Before sterilization/(mg·kg−1)灭菌后
After sterilization/(mg·kg−1)降解率
Degradation rate/%P1 3%联苯菊酯,3%啶虫脒
Bifenthrin, Acetamiprid9.61 6.41 33.3 0.58 0.17 70.4 P2 3.5%氯氰菊酯,1.5%啶虫脒
Cypermethrin, Acetamiprid6.31 6.09 3.2 0.26 0.10 61.5 P3 5% 阿维菌素
Abamectin34.29 26.20 23.6 P4 30% 乙酰甲胺磷
Acephate1.21(0.51a) ND 100 P5 45% 咪鲜胺
Prochloraz61.46 0.20 99.7 P6 10% 吡虫啉
Imidacloprid46.36 44.36 4.3 P7 20% 异丙威
Isoprocarb101.24 71.50 29.4 P8 5% 哒螨灵,5% 啶虫脒
Pyridaben, Acetamiprid17.74 17.56 1.0 2.38 0.72 69.8 P9 1% 丁硫克百威,4% 毒死蜱
Carbosulfan, ChlorpyrifosND(3.34b) ND(0.72b) ND(78.5b) 28.03 1.99 92.9 注:a甲胺磷,b克百威;ND为未检出;
Note:a Methamidophos, b Carbofuran;ND means undetected.表 3 11种农药不同拌料质量浓度对在银耳子实体的残留量
Table 3. Pesticide residues in T. fuciformis Berk cultivated on substrates of 9 treatments
农药 Pesticide 质量浓度 Concentration/(mg·kg−1) 农药残留 Pesticide residue /(mg·kg−1) Tr01 Tr21 3%联苯菊酯,3%啶虫脒
Bifenthrin, Acetamiprid500 ND ND 1 000 ND ND 2 000 ND ND 3.5%氯氰菊酯,1.5%啶虫脒
Cypermethrin, Acetamiprid500 ND ND 1 000 ND ND 2 000 ND ND 5% 阿维菌素
Abamectin500 ND ND 1 000 ND ND 2 000 ND ND 30% 乙酰甲胺磷
Acephate500 ND ND 1 000 ND ND 2 000 ND ND 45% 咪鲜胺
Prochloraz500 ND ND 1 000 ND ND 2 000 ND ND 10% 吡虫啉
Imidacloprid500 0.13 0.06 1 000 0.21 0.14 2 000 0.51 0.32 20% 异丙威
Isoprocarb500 − − 1 000 − − 2 000 − − 5% 哒螨灵,5% 啶虫脒
Pyridaben, Acetamiprid500 ND ND 1 000 ND ND 2 000 ND ND 1% 丁硫克百威,4% 毒死蜱
Carbosulfan, Chlorpyrifos500 ND ND 1 000 ND ND 2 000 ND ND 空白
Control− ND ND 注:同列数据后不同小写字母表示同一品种银耳子实体组间直径存在显著性差异,P<0.05;*表示同一处理间,Tr01、Tr21子实体直径存在显著性差异,P<0.05。表5同。
Note: Means with the different letter in column are significantly different according to Duncan's test (P<0.05). *Means between different varieties with asterisk are significantly different according to independent t-test (P<0.05). The same as Table 5.表 4 银耳中吡虫啉残留对不同消费者的膳食急性和慢性健康风险
Table 4. Acute and chronic health risk of imidacloprid residue in T. fuciformis for food consumption
消费群体
Consumers体重
Body weight/kg每日摄入量
Edible daily intake/(mg·kg-1 bw day)风险熵 Harzard risk quotient 慢性 Chronic 急性 Acute 儿童 Children (2~5 years old) 16 4×10−4 0.000 9 0.006 儿童 Children (6~11 years old) 29 2×10−4 0.000 5 0.003 少年 Teenagers (12~19 years old) 51 1×10−4 0.000 3 0.002 女性 Females 56 1×10−4 0.000 3 0.002 男性 Males 65 9×10−5 0.000 2 0.002 表 5 11种农药不同拌料质量浓度对在银耳子实体生长的影响
Table 5. Growth of T. fuciformis cultivated on substrates of 9 treatments
农药 Pesticide 质量浓度 Concentration/(mg·kg−1) 子实体直径 The diameter of fruit body/cm Tr01 Tr21 3%联苯菊酯,3%啶虫脒 Bifenthrin, Acetamiprid 500 9.0±1.3 abc 9.8±1.0 a 1 000 11.0±1.7 cdef 10.5±1.5 ab 2 000 10.3±0.3 bcdef 11.2±1.3 abcd 3.5%氯氰菊酯,1.5%啶虫脒 Cypermethrin, Acetamiprid 500 7.0±0.5 a 10.5±0.5 ab* 1 000 8.0±0.9 ab 13.2±1.0 cdef* 2 000 9.3±2.1 bcd 11.5±1.5 abcdef 5% 阿维菌素 Abamectin 500 10.0±1.5 bcde 13.0±0.5 cdef* 1 000 10.2±1.5 bcdef 12.5±0.9 bcdef 2 000 11.0±1.8 cdef 13.5±0.5 ef 30% 乙酰甲胺磷 Acephate 500 9.7±0.8 bcde 13.3±0.3 def* 1 000 10.7±1.5 cdef 13.7±1.0 f* 2 000 10.3±1.3 bcdef 13.5±0.9 ef* 45% 咪鲜胺 Prochloraz 500 9.8±1.3 bcde 11.8±0.6 abcdef 1 000 12.7±0.3 f 12.5±0.5 bcdef 2 000 11.3±1.8 cdef 12.7±0.6 bcdef 10% 吡虫啉 Imidacloprid 500 11.2±1.0 cdef 11.2±2.4 abcd 1 000 11.7±0.6 def 11.3±1.3 abcde 2 000 11.2±1.2 cdef 11.3±1.0 abcde 20% 异丙威 Isoprocarb 500 — — 1 000 — — 2 000 — — 5% 哒螨灵,5% 啶虫脒 Pyridaben, Acetamiprid 500 10.5±1.5 bcdef 11.0±0.5 abc 1 000 11.2±1.6 cdef 11.3±1.9 abcde 2 000 12.0±1.3 ef 11.2±1.0 abcd 1% 丁硫克百威,4% 毒死蜱 Carbosulfan, Chlorpyrifos 500 10.0±1.0 bcde 11.7±1.0 abcdef 1 000 10.3±0.6 bcdef 13.0±0.0 cdef* 2 000 11.5±1.7 cdef 13.2±1.3 cdef 空白 Control — 11.2±1.0 cdef 11.7±1.4 abcdef -
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