Fitoterapia. 2001 Nov; 72(7): 756-9.

A new eudesmanolide from Crataegus flava fruits.

Ahmed AA, Khattab AM, Grace MH, Sahl MM.

Department of Chemistry, Faculty of Science, El-Minia University, 61519, El-Minia, Egypt. [email protected]

A new eudesmanolide, 1beta,9alpha-dihydroxyeudesm-3-en-5beta,6alpha,7alpha,11alphaH-12,6-olide (1), was isolated from Crataegus flava fruits. Its structure was determined by spectroscopic methods.