Corrigendum to ‘Sesquiterpenes and diterpenes from Ambrosia arborescens’ [Phytochemistry 71 (2010) 804–809]

Corrigendum to ‘Sesquiterpenes and diterpenes from Ambrosia arborescens’ [Phytochemistry 71 (2010) 804–809]

Phytochemistry 72 (2011) 952 Contents lists available at ScienceDirect Phytochemistry journal homepage: www.elsevier.com/locate/phytochem Corrigend...

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Phytochemistry 72 (2011) 952

Contents lists available at ScienceDirect

Phytochemistry journal homepage: www.elsevier.com/locate/phytochem

Corrigendum

Corrigendum to ‘Sesquiterpenes and diterpenes from Ambrosia arborescens’ [Phytochemistry 71 (2010) 804–809] Marinella De Leo a, Mariela Beatriz Vera Saltos b, Blanca Fabiola Naranjo Puente b, Nunziatina De Tommasi c, Alessandra Braca a,⇑ a b c

Dipartimento di Scienze Farmaceutiche, Università di Pisa, Via Bonanno 33, 56126 Pisa, Italy Departamento de Ciencias de la Vida, Escuela Politecnica del Ejercito, Avenida El Progresso S/N, Sangolqui, Ecuador Dipartimento di Scienze Farmaceutiche, Università di Salerno, Via Ponte Don Melillo, 84084 Fisciano (SA), Italy

The authors regret that the following text on page 806 of the above published article was incorrect: In a range of concentrations between 0.1 and 50 lM, none of the tested compounds, except compounds 11 and 12, caused a significant reduction of the cell number when compared with controls. Compounds 11 and 12 exhibited weak cytotoxicity against U937 cell lines with IC50 values around 20 lM for 11, and 10 lM for 12, respectively. The correct text is as follows:

DOI of original article: 10.1016/j.phytochem.2010.02.002

⇑ Corresponding author. Tel.: +39 050 2219688; fax: +39 050 2219660. E-mail address: [email protected] (A. Braca). 0031-9422/$ - see front matter Ó 2011 Elsevier Ltd. All rights reserved. doi:10.1016/j.phytochem.2011.03.025

In a range of concentrations between 0.1 and 50 lM, none of the tested compounds, except compounds 18 and 12, caused a significant reduction of the cell number when compared with controls. Compounds 18 and 12 exhibited weak cytotoxicity against U937 cell lines with IC50 values around 20 lM for 18, and 10 lM for 12, respectively. The authors would like to apologise for any inconvenience caused.