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  • Title: No detriment in taste response or expression in offspring of mice fed representative levels of sucrose or non-caloric sucralose while pregnant.
    Author: Choo E, Dando R.
    Journal: Physiol Behav; 2018 Feb 01; 184():39-45. PubMed ID: 29108962.
    Abstract:
    Recent studies in mice indicate that consumption of acesulfame K (a high intensity sweetener) while pregnant, can lead to deficits in taste or enhanced sweet consumption in the offspring, leading to concerns the same may be common in human populations. However, this work employed a relatively unpopular sweetener, fed in quantities amounting to over 20× the FDA's Acceptable Daily Intake (ADI). The aims of this study were to test the effects of sucralose, the USA's most popular high intensity sweetener, along with sucrose, on the taste system of the offspring of mice supplemented at a level commensurate with ADIs while pregnant. The hypothesis was that feeding a dam intensely sweet solutions would produce offspring with enhanced response to sweet taste, when compared to offspring of dams given only water. Females were mated following a 4-week period in which one group was given a measured ration of sucrose or sucralose in addition to chow and water, with the control group given chow and water only. Sucrose and sucralose solutions were removed two weeks after parturition to prevent direct consumption by the offspring. The offspring at 8weeks of age for both the sucrose and sucralose supplementation showed no change in their taste response to sucrose or sucralose. No effect of maternal sweet supplementation was detected at the taste bud level, with fungiform taste bud density and taste bud gene expression remaining unchanged. Overall, this study suggests that sucrose and sucralose consumption at human-relevant levels during pregnancy and lactation do not produce any long-term changes to the offspring's peripheral taste system.
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