在食用葡萄储存中臭氧化水冲洗后的农药残留物和果微生物群
Gabriele Caponio1, Marco Vendemia1, Domenica Mallardi1
1CREA, Council for Agricultural Research and Economics, Research Center for Viticulture and Enology, 70010 Turi, Italy.
Foods (Basel, Switzerland)
|September 9, 2023
概括
臭氧化水有效地减少了食用葡萄上的农药残留物,使用3mg/L5分钟达到最佳效果. 这种收获后处理也减少了酵母菌种群,但没有显著影响灰色菌或其他微生物.
科学领域:
- 农业科学 农业科学
- 食品科学 食品科学 食品科学
- 环境科学 环境科学
背景情况:
- 收获后的处理对于减少食用葡萄中的农药残留至关重要.
- 臭氧化水是食品安全应用的一个有前途的技术.
- 公主®无种子桌面葡萄品种易受收割后腐烂的影响,需要有效的残留物管理.
研究的目的:
- 评估臭氧化水在减少Princess®无种子桌面葡萄中的农药残留物的有效性.
- 评估臭氧化水处理对灰菌和果微生物群的影响.
- 为了确定最佳的臭氧化条件 (度和时间) 来降解农药残留物.
主要方法:
- 桌面葡萄样本用臭氧化水处理了3,5和10毫克/升的度,分别为5分钟和10分钟.
- 经过处理的葡萄样本在2°C和95%的相对湿度下保存了30天.
- 在处理和储存之前和之后,量化了农药残留物水平.
- 分析了灰色菌的发生率和微生物种群 (真菌,细菌,酵母菌).
主要成果:
- 臭氧化水处理方法可将农药残留物减少高达100%.
- 5分钟的3毫克/升臭氧化水冲洗对大多数农药降解是最佳的.
- 弗卢迪尼尔的降解在10分钟的洗后更有效.
- 臭氧处理没有显著影响灰菌或细菌/真菌种群,但减少了酵母种群.
结论:
- 臭氧化水是减少食用葡萄上农药残留的高效方法.
- 特定的臭氧化参数 (5分钟内3毫克/升) 可以优化,以最大限度地去除农药.
- 臭氧化水处理为提高收获后葡萄管理中的食品安全提供了潜在的解决方案.
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