"Results show that NNS-sweetened products with acesulfame potassium (Ace-K) were consumed by 50% and 15% of mothers and children respectively with no association between intake and TAS2R31. The TAS2R31 WMVI haplotype was partly responsible for children's hedonic response to Ace-K highlighting a potential role for inborn differences in vulnerability to overconsumption of Ace-K-containing products."xsd:string