食品工业科技2024，Vol.45Issue(10)：292-299,8.DOI:10.13386/j.issn1002-0306.2023070072
嘧菌酯与甲基硫菌灵在荔枝采后贮藏保鲜中的应用及膳食暴露评估
Application and Dietary Exposure Assessment of Pyrimethanil and Thiophanate-methyl in Postharvest Storage and Preservation of Litchi Fruit
摘要
Abstract
This study investigated the effects of different dilution concentrations of azoxystrobin and thiophanate-methyl on the preservation of postharvest litchi fruit at ambient temperature.By analyzing the physiological indicators of litchi fruit during storage,the optimal fungicide formulation was selected,verified,and dietary exposure assessed thus the preservation method of extending shelf life for litchi at ambient temperature was obtained.The results showed that the litchi fruit treated with a 1600-fold dilution of 25%azoxystrobin(M1600),or a 1600-fold dilution of 25%azoxystrobin mixed with a 700-fold dilution of 70%thiophanate-methyl(M1600+J700)significantly inhibited the respiratory rate of litchi fruit,decreased the relative conductivity of pericarp and decay rate of litchi fruit(P<0.05),as well as inhibited the decrease of TSS and VC content in pulp at 25℃,and better maintained the sensory quality and edible value of litchi fruit.Two preservative formulation had comparable effects on the preservation of litchi,while the M1600 was superior in inhibiting the pericarp browning.According to the residual detection of fungicides and dietary exposure assessment,it was found that the risk quotient value of azoxystrobin in the whole litchi fruit treated with M1600 alone was far less than 1,which could achieve preservation,safety,as well as reduce economic cost.This study provides a technical reference for the postharvest storage and preservation techniques for litchi or other non-respiratory climacteric fruit.关键词
荔枝/嘧菌酯/甲基硫菌灵/贮藏保鲜/膳食暴露评估Key words
litchi fruit/azoxystrobin/thiophanate-methyl/storage and preservation/dietary exposure assessment分类
轻工纺织引用本文复制引用
肖璐,李晓琴,唐雪妹,朱富伟,王刚,刘帅,江薰垣,邓义才,万凯..嘧菌酯与甲基硫菌灵在荔枝采后贮藏保鲜中的应用及膳食暴露评估[J].食品工业科技,2024,45(10):292-299,8.基金项目
农产品质量安全风险评估(荔枝龙眼贮藏保鲜风险管控与评估)(GJFP20210503) （荔枝龙眼贮藏保鲜风险管控与评估）
科技创新战略专项基金-农业科学院高水平研究院建设(R2021YJ-YB-3024) （R2021YJ-YB-3024）
国家自然科学基金-青年基金(32102452). （32102452）
