J Ethnopharmacol. 2011 Mar 24;134(2):243-50.
Effects of Morinda citrifolia aqueous fruit extract and its biomarker scopoletin on reflux esophagitis and gastric ulcer in rats.
Mahattanadul S, Ridtitid W, Nima S, Phdoongsombut N, Ratanasuwon P, Kasiwong S.

Rats that were fed freeze dried noni fruit experienced improvement of esophagus and stomach acid reflux damage that was due to induced gastro-esophageal inflammation. (original abstract available at https://www.ncbi.nlm.nih.gov/pubmed/21163341).