Comparing impacts of dielectric barrier discharge plasma and electron beam irradiation processing on characteristics of Tartary buckwheat whole flour
Innovative Food Science & Emerging Technologies(2022)
摘要
Dielectric barrier discharge (DBD) plasma, lower and higher dose electron beam irradiation (EBI) are used widely in food processing. In this research, impacts of DBD plasma and EBI processing on characteristics of Tartary buckwheat whole flour were investigated in the range of parameters used most often in food industry. Cross section, small granule and reaggregation of fragments appeared after processing as well as higher values of L*, a* and WI. DBD plasma processing altered the short range crystal structure and hydrogen-containing groups, increasing oil/water absorption and freeze-thaw stability. DBD plasma and EBI processing had a mostly positive effect on hydration properties at 50 to 70 °C, with contrast to a reduction effect at higher temperature. DBD plasma and EBI processing will not affect the nutrients content indeed. TPC, TFC and antioxidant activity increased significantly after EBI processing (≤ 10 kGy) with few free radicals generated.
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关键词
Tartary buckwheat,Cold plasma,Electron beam irradiation,Physicochemical properties,Antioxidant activity
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