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Insights into effects of temperature and ultraviolet light on degradation of tocored with HPLC and UPC2-QTOF-MS
LWT - Food Science and Technology ( IF 6 ) Pub Date : 2020-03-22 , DOI: 10.1016/j.lwt.2020.109302
Liyou Zheng , Jun Jin , Emad Karrar , Jianhua Huang , Ming Chang , Xingguo Wang , Hui Zhang , Qingzhe Jin

Tocored is one of the nonnegligible color bodies that would probably affect oil color. The aim of this present study was to investigate the effects of temperatures (50–150 °C) and ultraviolet intensities (254 and 365 nm) on the degradation of tocored. Results showed that the degradation of tocored under different temperatures and UV intensities all followed zero-order kinetics. The degradation products of tocored under both treatments were further detected and tentatively identified by UPC2-QTOF-MS techniques. These results will contribute to a better understanding how the industrial processing parameters influenced tocored concentration during the extraction, processing, and storage processes of oil industry.



中文翻译:

用HPLC和UPC 2 -QTOF-MS了解温度和紫外线对tocore降解的影响

Tocored是可能会影响油色的不可忽略的色体之一。本研究的目的是研究温度(50–150°C)和紫外线强度(254和365 nm)对有芯金属降解的影响。结果表明,在不同温度和紫外线强度下,可可粉的降解均遵循零级动力学。通过UPC 2 -QTOF-MS技术进一步检测和初步鉴定了两种处理下的可乐降解产物。这些结果将有助于更好地了解石油加工行业在开采,加工和存储过程中工业加工参数如何影响核心浓度。

更新日期:2020-03-22
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