Process for extracting raw rotenone

Application Number: 00107141
Application Date: 2000.04.21
Publication Number: 1273972
Publication Date: 2000.11.22
Priority Information:
International: C07D493/12
Applicant(s) Name: Zheng Shuqin
Inventor(s) Name: Zheng Shuqin
Patent Agency Code: 13100
Patent Agent: zhang erqun
Abstract A process for extracting raw rotenone directly from derris root includes breaking derris root, immersion extracting in benzene and acetone, stirring, processing by sub-micron technique stirring at 76-80 deg.C and vacuum concentrating to obtain the mixture of raw rotenone. Its advantages include high efficiency and high quality.