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Detection of toxic methylenecyclopropylglycine and hypoglycin A in litchi aril of three Chinese cultivars

文献类型： 外文期刊

作者： Yang, Jiali 1 ; Zhu, Xiangrong 1 ; Zhang, Pei 2 ; Wang, Yinhong 2 ; Xiao, Yangyang 1 ; Yang, Bao 1 ; Qu, Hongxia 1 ; Jian 1 ;

作者机构： 1.Chinese Acad Sci, Key Lab Plant Resources Conservat & Sustainable U, Key Lab Postharvest Handling Fruits,South China B, Minist Agr & Rural Affairs,Guangdong Prov Key Lab, Guangzhou 510650, Peoples R China

2.Hunan Acad Agr Sci, Agr Prod Proc Inst, Hunan Key Lab Fruits & Vegetables Storage Proc Qu, Changsha 410125, Peoples R China

3.Chinese Acad Sci, Ctr Econ Bot, Core Bot Gardens, Guangzhou 510650, Peoples R China

4.Univ Chinese Acad Sci, Beijing 100049, Peoples R China

关键词： Litchi; Cultivar; Methylenecyclopropylglycine; Hypoglycin A; HPLC-MS/MS; Storage

期刊名称：FOOD CHEMISTRY （ 影响因子：7.514； 五年影响因子：7.516 ）

ISSN： 0308-8146

年卷期： 2020 年 327 卷

页码：

收录情况： SCI

摘要： As a subtropical fruit with high commercial values, litchi is also a source of methylenecycicopropylglycine (MCPG) and hypoglycin A (HGA), which could cause hypoglycemia and fatal encephalopathy in human. In this work, a quantitative method was developed well to detect MCPG and HGA present in litchi aril of different cultivars. Method validation was evaluated well by linearity, recovery, precision and sensitivity. Among three cultivars, Teizixiao' contained the highest toxin level with 0.60-0.83 mg kg(-1) of MCPG and 10.66-14.46 mg kg(-1) of HGA, followed by Tluaizhi' with 0.08-0.12 mg kg(-1) of MCPG and 0.63-1.54 mg kg(-1) of HGA, and `Nuomicr with 0.09-0.11 mg kg(-1) of MCPG and 0.35-0.91 mg kg(-1) of HGA. The toxin levels were highly associated with litchi cultivar and storage time. These findings can provide new knowledge to help to recommend the safe consumption of fresh litchi based on human health.

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