Optimization of ozone and ultraviolet combined on dried Lycium barbarum L. sterilization process by response surface methodology
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摘要: 以枸杞干果为原料,采用臭氧与紫外复合处理进行杀菌,通过响应面分析优化确定出臭氧与紫外复合处理枸杞杀菌的最佳工艺条件为:辐射距离31cm、处理时间32min、臭氧浓度31mg/m3,在此工艺条件下测得臭氧紫外复合处理杀菌率为99.999%,在最佳工艺条件下处理对枸杞干果品质无显著影响(p>0.05),表明臭氧与紫外复合作用在杀菌方面具有一定的优势。本文为宁夏枸杞微生物降解提供了科学的数据和有效的技术手段。Abstract: Ozone and ultraviolet combined on Lycium barbarum L. dry fruit sterilization process. Sterilization process conditions were further optimized using response surface methodology as follow :radiation distance 31 cm, processing time 32 min, the ozone concentration 31mg/m3, for this condition, the sterilizing efficiency of ozone and ultraviolet combined on Lycium barbarum L. could be 99.999%. The quality of Lycium barbarum L. dry fruit did not change significantly after treatment under optimum conditions (p >0.05) . This result indicating that the compound effects of ozone and ultraviolet had a certain advantages in terms of sterilization and provided scientific data and effective technical means for microbes degradation of Lycium barbarum L. Ningxia.
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