臭氧水浸泡对多种农药残留均有良好的去除效果。用浓度为 0.4 mg/kg 臭氧水洗涤 30 min 后,菠菜中毒死蜱、腈菌唑、戊唑醇、联苯菊酯、高效氯氟氰菊酯、高效氯氰菊酯、顺式氰戊菊酯、苯醚甲环唑、啶虫脒和吡虫啉的残留量分别降低了 53%、72%、73%、62%、67%、65%、78%、68%、64% 和 63%,与自来水清洗相比,清除效果提升了三到四倍。并且处理时间越长效果越好,例如臭氧氧化15 min 可使苹果上毒死蜱、氯氰菊酯、嘧菌酯、己唑醇、甲基对硫磷、百菌清六种农药残留降低 26.91%~73.58%,臭氧氧化 30 min 可使农药残留降低 39.39%~95.14%。
参考文献
[20] LI C, XIE Y, GUO Y, et al. Effects of ozone-microbubble treatment on the removal of residual pesticides and the adsorption mechanism of pesticides onto the apple matrix[J]. Food Control, 2021:120.
[21] LOZOWICKA B, JANKOWSKA M, HRYNKO I, et al. Removal of 16 pesticide residues from strawberries by washing with tap and ozone water, ultrasonic cleaning and boiling[J]. Environ Monit Assess,2016,188(1):51.
[22] RODRIGUES A A Z, QUEIROZ M, NEVES A A, et al. Use of ozone and detergent for removal of pesticides and improving storage quality of tomato[J]. Food Research International,2019,42(5):469−476.
[23] WANG S, WANG J, LI C, et al. Ozone treatment pak choi for the removal of malathion and carbosulfan pesticide residues[J].Food Chemistry,2021,337:127755.
[24] 徐慧, 蒋栋磊, 张银志, 等. 臭氧降解 8 种蔬菜中农药残留研究[J]. 食品工业科技,2012,33(22):75−77. [XU Hui, JIANG Donglei, ZHANG Yinzhi, et al. Study on degradation of pesticide residues in eight kinds of vegetables by ozone[J]. Science and Technology of Food Industry,2012,33(22):75−77.]
[25] CHEN C, LIU C, JIANG A, et al. Effects of ozonated water on microbial growth, quality retention and pesticide residue removal of fresh-cut onions[J]. Ozone-Science & Engineering,2019,42(5):399−407.
[26] ÖZEN T, KOYUNCU M A, ERBAŞ D. Effect of ozone treatments on the removal of pesticide residues and postharvest quality in green pepper[J]. Journal of Food Science and Technology,2021,58(6):2186−2196.
[27] 杨娟, 李拥军, 司徒满泉, 等. 臭氧处理对采后马水桔有机磷农药残留降解的研究[J]. 河南农业科学,2013(11):98−101. [YANG Juan, LI Yongjun, SITU Manquan, et al. Degradation effect of organophosphorus pesticide residue in postharvest mashui orange by ozone[J].Journal of Henan Agricultural Sciences,2013(11):98−101.]
[28] WU Y L, AN Q S, DONG L, et al. Comparison of different home/commercial washing strategies for ten typical pesticide residue removal effects in kumquat, spinach and cucumber[J]. International Journal of Environmental Research and Public Health,2019,16(3): 472.
[29] SWAMI S, MUZAMMIL R, SAHA S, et al. Evaluation of ozonation technique for pesticide residue removal and its effect on ascorbic acid, cyanidin-3-glucoside, and polyphenols in apple (Malus domesticus) fruits[J]. Environmental Monitoring and Assessment,2016,188(5):301.