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采用X射线荧光光谱法(XRF)对航天诱变育种第4代板蓝根和地面组板蓝根的元素种类和含量进行测定和对比分析。结果表明两组样品的元素种类基本相同,太空组中Ca和S含量分别提高了1.16倍和3.22倍,而太空组中Fe、Si、Cr、Al、Mn元素比地面组分别减少了74.2%、87.5%、82.4%、95.0%、70.6%。航天诱变育种可以增加板蓝根的多态性,能够从中选育出品质特异的新品种。XRF测定中药材元素具有制样简单、测定快捷、测定元素种类多、元素含量范围广的特点,适于从整体上对中药材的元素进行测定和分析。
The element types and contents of the fourth generation of Radix Isatidis and Radix Isatidis in aerial mutation breeding were determined and analyzed by X-ray fluorescence spectrometry (XRF). The results showed that the elemental types of the two samples were basically the same, the contents of Ca and S in the space group increased by 1.16 times and 3.22 times, respectively, while the contents of Fe, Si, Cr, Al and Mn in the space group decreased by 74.2% 87.5%, 82.4%, 95.0%, 70.6%. Space mutation breeding can increase the polymorphism of Radix isatidis, which can be bred new quality-specific new varieties. XRF determination of Chinese herbal medicines with simple sample preparation, determination of fast, the determination of many kinds of elements, a wide range of elemental content characteristics, suitable for the overall determination of the elements of Chinese herbal medicines and analysis.