A spectroscopy journal has issued an expression of concern over a 2014 paper by researchers in Iran on the amount of the sleep hormone melatonin in pistachios after German authorities — prompted by a journalist’s questions — concluded that the analysis was in error.
The article, “Expression of concern to spectrofluorimetric determination of melatonin in kernels of four different pistacia varieties after ultrasound-assisted solid-liquid extraction,” was published in Spectrochimica Acta A: Molecular and Biomolecular Spectroscopy, an Elsevier journal.
The authors, from the University of Kerman, reported: Continue reading Journalist’s questions lead to expression of concern for paper on melatonin and pistachios