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对20个省的578份玉米籽粒的α-生育酚的测定结果,加权平均值为9.41mg/kg,含量范围由未检出至40.84mg/kg,≥20mg/kg的份数占4.32%,≤5mg/kg的为23.0%。一些省区间玉米籽粒α-生育酚含量平均值方差分析差异显著。聚类分析可将全国玉米α-生育酚按含量高低分为五大区。玉米不同粒型α-生育酚含量平均值方差分析差异显著。
The results of α-tocopherol determination of 578 maize kernels in 20 provinces showed that the weighted average value was 9.41 mg / kg, the content ranged from undetected to 40.84 mg / kg and ≥20 mg / kg accounted for 4.32% 23.0% for <5 mg / kg. In some provinces, there was a significant difference between the mean value of α-tocopherol content of maize kernels in variance analysis. Cluster analysis can be divided into five regions corn α-tocopherol according to the level of content. The variance analysis of the average content of α-tocopherol in different corn varieties showed significant difference.