ScienceAsia 14 (1988): 073-076 |doi: 10.2306/scienceasia1513-1874.1988.14.073

CONSTITUENTS OF THE STEM BARK OF MICHELIA LONGIFOLIA*

KITTISAK LIKHITWITAYAWUID,^a NIJSIRI RUANGRUNGSI,^a MALEE BORIBOON,^a GOROON L. LANGE,^b,c AND CARL P. DECICCO^b

ABSTRACT: The bark of Michelia longifolia Blume (Magnoliaceae) yielded four compounds: parthenolide, -sitostero, costunolide and liriodenine.

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a Department of Pharmacognosy, Faculty of Pharmaceutical Sciences, Chulalongkorn University, Bangkok 10500, Thailand.
b Guelph- Waterloo Centre for Graduate Work in Chemistry, Department of Chemistry and Biochemistry, University of Guelph, Guelph, Ontario, N1G 2W1, Canada.
c Address for correspondence.

* Part VII in the series of "Studies on Thai Medicinal Plants." For Part VI see ref. (1).

Received 4 February 1988