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采用双波长薄层扫描法对黑芝麻中芝麻素进行了含量测定，测得３批黑芝麻中芝麻素的含量分别为０．２０８１％、０．１８１８％、０．２１２５％，加样回收率为９８．８４％，ＲＳＤ为１．１８４％。
The contents of sesamin in black sesame seeds were determined by two-wavelength thin-layer scanning. The contents of sesamin in three batches of black sesame seeds were 0.2081%, 0.1818% and 0.2125%, respectively. The recoveries 98.84%, RSD 1.184%.