Abstract

Objective: The chemical composition of Nauclea officinalis leaves is analyzed to offer a theoretical base for its
application. Method: Separate Nauclea officinalis leaves by solvent extraction and silica gel column, and characterize
the product structure through analysis on physical properties and spectrum. Results and conclusions: 7 compounds have
been separated from liposoluble part of Nauclea officinalis leaves, 5 compounds among them have been characterized,
which in turn are ????-sitosterol palmitate (1), stigmast-4-en-3-one (2), ????-sitosterol (3), 24-en-cycloartenone (4) and bis
(2-ethylhexyl) phthalate (5), wherein (1) and (4) are separated from Nauclea officinalis leaves for the first time.

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