通过抗菌剂控制工业相关的微生物分离物:对糖厂的影响
Gillian O Bruni1, Evan Terrell1, K Thomas Klasson1
1Commodity Utilization Research Unit, Southern Regional Research Center, 1100 Allen Toussaint Blvd., USDA, Agricultural Research Service, New Orleans, LA 70124, USA.
Journal of industrial microbiology & biotechnology
|January 8, 2025
概括
抗菌剂有效控制糖加工中的微生物,防止糖糖的损失. 确定了最佳的剂量策略,其中广谱药物显示出改善糖产量和成本效益的最大希望.
科学领域:
- 工业微生物学 工业微生物学
- 食品科学 食品科学 食品科学
- 生物技术是生物技术.
背景情况:
- 糖作物加工设施中的微生物污染导致了大量的糖损失.
- 有效的抗微生物策略对于优化糖产量和加工效率至关重要.
研究的目的:
- 评估各种工业抗微生物剂对糖加工中的微生物污染物的疗效.
- 确定选择的抗微生物药物的最佳剂量,以最大限度地减少糖的损失并提高糖的产量.
主要方法:
- 来自糖加工设施的微生物分离物经过了对工业抗菌剂的敏感性测试.
- 确定了包括Hydritreat 2216,甲,黄BetaStab XL和Magna Cide D.在内的药物的最小抑制度 (MIC).
- 实验室实验量化了微生物活动导致的潜在糖损失,并对抗微生物应用进行了预期的成本效益分析.
主要成果:
- 二甲酸盐2216和二酸盐对测试的细菌分离物和Saccharomyces cerevisiae表现出广泛的活性.
- 黄蜂BetaStab XL对格拉姆阳性分离物有效,而Magna Cide D对这些菌株有效性较低,但对S. cerevisiae和Zymomonas mobilis.有效.
- 估计的糖损失在没有抗微生物药物的甘每0.13至0.52公斤之间,预计从广泛的药物中获得潜在的产量改善.
结论:
- 抗微生物药物,特别是具有广泛活性的抗微生物药物,有效控制微生物生长,减少糖加工中的糖糖消耗.
- 在最小的抑制剂量下使用抗微生物药物可以优化微生物的抑制和糖的保存,从而提高糖的产量.
- 成本分析表明,抗微生物药物的折旧范围约为0.50美元至2.00美元/升,突出显示了它们的经济可行性.
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