This pilot dietary intervention study aimed to investigate whether short-term consumption of apples influences the human faecal metabolomic profile. Apples are a commonly consumed source of dietary fibre, particularly pectin, which undergoes microbial fermentation in the colon and may lead to measurable metabolic changes. Healthy adult volunteers were instructed to consume three apples per day for three consecutive days under free-living conditions. Faecal samples were collected before and after the intervention and analysed using proton nuclear magnetic resonance (¹H NMR) spectroscopy to assess changes in metabolite concentrations. The study sought to explore whether metabolomic profiling can detect functional microbial responses to increased fruit intake and provide preliminary insight into the metabolic impact of short-term dietary fibre exposure.
Age range
18 Years – 30 Years
Sex
ALL
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Change from baseline in faecal metabolomic profile assessed by ¹H NMR spectroscopy
Timeframe: Baseline and immediately after completion of the 3-day dietary intervention