CAJ | 학술논문

以含有 FB1标准品的乙腈水溶液和FB1污染的玉米为材料，对FB1的辐照降解效果进行研究，并对 FB1的降解产物进行了初步分析。结果表明，辐照处理可以降解乙腈水溶液中的FB1，剂量低于9 kGy的辐照处理对玉米样品中 FB1的降解效果不明显。辐照剂量为9 kGy时，浓度为0.8 mg/ml、10.0μg/ml、1.0μg/ml 及50 ng/ml 的 FB1降解率分别为22.5%、51.0%、59.0%和64.8%；浓度为0.8 mg/ml的 FB1在辐照剂量100 kGy 时的降解率达90%，在辐照剂量为200 kGy时 FBI几乎全部被降解。 LC/MS/MS方法分析未见明显的 FB1降解产物。
이함유 FB1표준품적을정수용액화FB1오염적옥미위재료，대FB1적복조강해효과진행연구，병대 FB1적강해산물진행료초보분석。결과표명，복조처리가이강해을정수용액중적FB1，제량저우9 kGy적복조처리대옥미양품중 FB1적강해효과불명현。복조제량위9 kGy시，농도위0.8 mg/ml、10.0μg/ml、1.0μg/ml 급50 ng/ml 적 FB1강해솔분별위22.5%、51.0%、59.0%화64.8%；농도위0.8 mg/ml적 FB1재복조제량100 kGy 시적강해솔체90%，재복조제량위200 kGy시 FBI궤호전부피강해。 LC/MS/MS방법분석미견명현적 FB1강해산물。
To investigate the degradation of FB1 in aqueous acetonitrile and corn af-ter γ-ray irradiation, the radiolytic products of FB1 was detected preliminarily. The results showed that γ-ray irradiation could degrade FB1 in aqueous acetonitrile;When the radiation dose was below 9 kGy, the degradation of FB1 in corn was not significant. The degradation rates of FB1 with concentrations of 0.8 mg/ml, 10.0 μg/ml, 1.0 μg/ml and 50 ng/ml after irradiation at 9 kGy were 22.5%, 51.0%, 59.0% and 64.8% respectively; when irradiation dose was increased to 100 kGy, the degrada-tion rate of FB1 with concentration of 0.8 mg/ml was up to 90%, and it was nearly 100% when irradiation dose was increased to 200 kGy. No representative products of FB1 were detected by LC/MS/MS analysis.