Association of protein intakes and variation of diet‐scalp hair nitrogen isotopic discrimination factor in <scp>P</scp>apua New <scp>G</scp>uinea highlanders

Abstract

We hypothesize that a combination of several factors, which presumably included urea recycling and amino acid and protein recycling and/or de novo synthesis during metabolic processes, altered the Δ(15) N values of the participants.