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中国精品科技期刊2020
杨千慧,毕金峰,张子涵,等. 等离子体活化水联合鼓泡对鸡心果农残及大肠杆菌去除效果的影响J. 食品工业科技,2025,46(19):10−19. doi: 10.13386/j.issn1002-0306.2024100347.
引用本文: 杨千慧,毕金峰,张子涵,等. 等离子体活化水联合鼓泡对鸡心果农残及大肠杆菌去除效果的影响J. 食品工业科技,2025,46(19):10−19. doi: 10.13386/j.issn1002-0306.2024100347.
YANG Qianhui, BI Jinfeng, ZHANG Zihan, et al. Effect of Plasma-activated Water Combined with Bubbling on the Removal of Pesticide Residues and Escherichia coli on Xantolis stenosepalaJ. Science and Technology of Food Industry, 2025, 46(19): 10−19. (in Chinese with English abstract). doi: 10.13386/j.issn1002-0306.2024100347.
Citation: YANG Qianhui, BI Jinfeng, ZHANG Zihan, et al. Effect of Plasma-activated Water Combined with Bubbling on the Removal of Pesticide Residues and Escherichia coli on Xantolis stenosepalaJ. Science and Technology of Food Industry, 2025, 46(19): 10−19. (in Chinese with English abstract). doi: 10.13386/j.issn1002-0306.2024100347.

等离子体活化水联合鼓泡对鸡心果农残及大肠杆菌去除效果的影响

Effect of Plasma-activated Water Combined with Bubbling on the Removal of Pesticide Residues and Escherichia coli on Xantolis stenosepala

  • 摘要: 为解决鸡心果全果制浆的农残和有害微生物控制问题,本文研究了在原料清洗环节,等离子体活化水(Plasma-activated water,PAW)联合鼓泡处理对鸡心果表面农药(多菌灵、吡虫啉、戊唑醇、吡唑醚菌酯和阿维菌素)去除和大肠杆菌控制的效果。结果表明,相较于单一鼓泡清洗(5种农药的去除率为0.90%~25.06%),PAW能够有效去除鸡心果表面农药残留(5种农药的去除率为9.20%~72.82%)。随着放电功率、放电时间和放电气流量的增加,农药去除率显著提高。在放电功率120 W、时间3 min、气流量3 L/min的条件下,5种农药的去除率最高,分别达64.80%、64.44%、69.81%、68.22%和72.82%。受限于现有等离子体发生器的工作电压8 kV、处理时间等因素,不同放电功率PAW(大肠杆菌降低对数值0.81~1.17 lg CFU/mL)与鼓泡清洗(1.14 lg CFU/mL)对鸡心果表面大肠杆菌的控制效果无显著性差异。本文研究结果为推动PAW作为绿色清洗技术提供了科学依据。

     

    Abstract: The control of pesticide residues and harmful microorganisms is an important issue in the Xantolis stenosepala pulp processing. In this study, plasma-activated water (PAW) combined with bubbling treatment was applied to investigate the removal of effect on pesticides (carbendazim, imidacloprid, tebuconazole, pyraclostrobin, and abamectin) and Escherichia coli on the surface of X. stenosepala during the raw material cleaning process. The results showed that compared to the single bubble cleaning (with pesticide removal rates ranging from 0.90% to 25.06%). PAW could effectively remove pesticide residues from the surface of X. stenosepala (with pesticide removal rates ranging from 9.20% to 72.82%). With increasing discharge power, extending discharge time, and elevating discharge gas flow rate, the pesticide removal rate increased significantly. The five pesticides had the highest removal rates of 64.80%, 64.44%, 69.81%, 68.22% and 72.82%, respectively, under the conditions of the PAW generator discharge power at 120 W, gas flow rate of 3 L/min and the treatment time of 3 min. Limited by the working voltage of the existing plasma generator (8 kV) and treatment time, there was no significant difference in the control effect on E. coli on the surface of X. stenosepala between PAW at different discharge powers (with E. coli reduction logarithms ranging from 0.81 to 1.17 lg CFU/mL) and bubbling washing (1.14 lg CFU/mL). The research results of this study provide scientific evidence to promote the study of PAW as a green cleaning technique.

     

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