Effect of slightly acidic electrolyzed water on natural Enterobacteriaceae reduction and seed germination in the production of alfalfa sprouts
Effect of slightly acidic electrolyzed water on natural Enterobacteriaceae reduction and seed germination in the production of alfalfa sprouts
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微酸性电解水对苜蓿芽生产中天然肠杆菌减少及种子萌发的影响
DOI：
10.1016/j.fm.2020.103414
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发表时间：
2021
影响因子：
5.3
通讯作者：
Xia Xiaodong
中科院分区：
文献类型：
--
作者：
Zhang Chunling;Zhao Zhiyi;Yang Gaoji;Shi Yiqi;Zhang Yuyu;Shi Chao;Xia Xiaodong
芽苗菜的微生物污染通常是由于种子上和种子中存在的病原体以及发芽和发芽过程中提供的细菌生长的最佳条件而发生的。研究了微酸性电解水（SAEW）在苜蓿芽生产过程中的去污效果。用不同有效氯浓度（ACC、25、35、45 mg/L）和不同pH值（5.0、5.7、6.4）的SAEW浸种0.5和6 h，测定种子中天然肠杆菌、吸水率和发芽率（发芽率、芽重和芽长）的变化。结果表明，不同ACC浓度（25、35和45 mg/L）和pH值（5.0、5.7和6.4）的SAEW浸种均能显著降低种子中肠杆菌的数量，且对发芽质量无不良影响。SAEW浸泡对种子的吸水率和发芽率也没有显著的不利影响。这些结果表明，SAEW可用于苜蓿芽生产中对天然肠杆菌的净化，且对苜蓿种子无不良影响。
Microbial contamination of sprouts commonly occurs because of the pathogens present on and in the seeds and the optimal conditions for bacteria growth provided during the germination and sprouting processes. This study examined the decontamination effect of slightly acidic electrolyzed water (SAEW), a ‘generally recognized as safe’ (GRAS) disinfectant, in the production process of alfalfa sprouts. SAEW with various available chlorine concentrations (ACC, 25, 35, 45 mg/L) and different pH levels (5.0, 5.7 and 6.4) was used to soak seeds for different length of time (0.5 and 6 h), after which the variations in natural Enterobacteriaceae, water absorption and seed germination (germination rate, weight and length of sprouts) were determined. The results showed that when the seeds were soaked with SAEW, albeit with different ACC (25, 35 and 45 mg/L) and pH levels (5.0, 5.7 and 6.4), a significant reduction ofEnterobacteriaceaeand no negative effect on sprout quality was observed. The water absorption and germination rates were also not significantly adversely affected by SAEW soaking. These findings suggest that SAEW could be used to decontaminate naturalEnterobacteriaceaein the production of alfalfa sprouts, with no negative side effects on the alfalfa seeds.