Abstract
Extracts of four umbelliferous plants containing coumarins and furocoumarins were chromatographed in sandwich chambers with a glass distributor. best separations were obtained for stepwise gradient elution in the concentration range of 2.5 to 15% ethyl acetate in chloroform. Seven eluent fractions with increasing ethyl acetate concentrations were introduced directly under the distributor of the sandwich chamber.
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
