American Chemical Society Symposia Series No. 1001, Food Contaminants: Mycotoxins and Food Allergies. Sept. 2008.  Pp. 411-419.
Chapter 26: Evaluation of the allergenic potential of Morinda citrifolia L. (noni) leaf.
West BJ, Palu AK.

The allergenic potential of noni leaf was evaluated in a pepsin resistance assay. The results demonstrate that noni leaf is not allergenic and corroborate earlier studies which report it to be a safe food. (original abstract available at