PROBLEM TO BE SOLVED: To provide a composition manifesting an excellent effect by using a compound or a fraction having excellent anti-inflammatory effect obtained from vegetables which have been used in traditional medical treatment. SOLUTION: This composition manifesting excellent anti-inflammatory effect is obtained by formulating a new compound R-(-)-7-phenyl-hepta-4,6-diyn-2-ol which has anti-inflammatory effect, separated from vegetables belonging to Bidens genus or the vegetable belonging to Bidens genus including the compound, especially formulating Bidens pilosa or its extract.
