Fitoterapia. 2002 Oct; 73(6): 550-2.

A new dicaffeoylquinic acid butyl ester from Isertia pittieri.

Um BH, Polat M, Lobstein A, Weniger B, Aragón R, Declercq L, Anton R.

Laboratoire de Pharmacognosie, UMR-CNRS 7081, Faculté de Pharmacie, BP24, 67401 Illkirch Cedex, France.

A new 4,5-di-O-caffeoylquinic acid butyl ester (1) was isolated from an ethyl acetate soluble fraction of Isertia pittieri stems, along with three known compounds, 1,5-di-O-caffeoylquinic acid (2), 3,4-di-O-caffeoylquinic acid (3) and 4,5-di-O-caffeoylquinic acid (4).Copyright 2002 Elsevier Science B.V.

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