Studies on TLC identification of root bark of Morus alba / 中草药

ABSTRACT

Object To study specific TLC identification of the root bark of Morus alba L. (RBMA)Methods The ethanol extracts of RBMA and other confusable species were subjected to TLC in different development system. The TLC plats were examined under shortwavelength UV light or colored by FeCl 3 solution.Results A mixture of chloroform and methanol (5∶1) is used for development and ferric chloride solution is used to color, a specific purple spot of the certified RBMA can be found.Conclusion The specific spot showed with TLC can be regarded as the basis of identification of RMBA and it was separated and identified as sanggenon C.