Investigating serum concentration profiles of orally ingested short-chain fatty acid supplements.

IF 5.1 1区 农林科学 Q1 BIOCHEMISTRY & MOLECULAR BIOLOGY Food & Function Pub Date : 2024-11-05 DOI:10.1039/d4fo04028g
Christopher G Green, Marilyn L Y Ong, Samantha N Rowland, Tindaro Bongiovanni, Lewis J James, Tom Clifford, Stephen J Bailey, Liam M Heaney
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Abstract

Acetate, propionate, and butyrate are naturally-occurring short-chain fatty acids (SCFAs) derived from bacterial metabolism of dietary fibre and have been associated with numerous positive health outcomes. All three acids have been shown to offer unique physiological and metabolic effects and, therefore, could be targeted for co-ingestion as part of a nutritional/medicinal plan. However, a better understanding of the outcomes of supplementing in combination on circulating concentration profiles is necessary to confirm uptake efficacy. This study sought to investigate the acute circulating concentration profiles of acetate, propionate, and butyrate following oral supplementation. Three experimental trials were conducted including investigations to understand the impact of capsule coating on circulating concentration profiles, the effect of supplementation dose on uptake kinetics, and the outcome of a short, repeated, supplementation routine on circulating levels. Serum samples were analysed for SCFA content using a quantitative GC-MS assay. It was observed that an acid-resistant coated capsule caused a delayed and blunted blood concentration response, with the non-acid resistant trial displaying earlier and more intense peak serum concentrations. For dose comparison investigations, all SCFAs peaked within 60 min and returned to baseline concentrations by 120 min post-supplementation. A graded dose relationship was present for propionate and butyrate when considering the total circulating exposure across a 240 min monitoring period. In addition, a one-week, twice-daily, repeated supplementation protocol resulted in no changes in basal serum SCFA concentrations. Overall, these data indicate that acetate, propionate, and butyrate display relatively similar circulating concentration profiles following oral co-ingestion, adding knowledge to help inform supplementation strategies for future outcomes where acute elevation of circulating SCFAs is desired.

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研究口服短链脂肪酸补充剂的血清浓度分布。
醋酸酯、丙酸酯和丁酸酯是天然存在的短链脂肪酸(SCFA),来自细菌对膳食纤维的新陈代谢,与许多积极的健康结果有关。所有这三种酸都被证明具有独特的生理和代谢作用,因此可以作为营养/医疗计划的一部分,作为共同摄入的目标。然而,为了确认吸收效果,有必要更好地了解联合补充对循环浓度曲线的影响。本研究旨在调查口服补充剂后醋酸酯、丙酸酯和丁酸酯的急性循环浓度曲线。共进行了三项实验,包括调查了解胶囊包衣对循环浓度曲线的影响、补充剂量对吸收动力学的影响以及短期、重复补充对循环水平的影响。使用 GC-MS 定量分析法对血清样本中的 SCFA 含量进行了分析。研究发现,耐酸胶囊会导致血药浓度反应延迟和迟钝,而非耐酸试验则会使血清浓度峰值更早、更高。在剂量比较研究中,所有 SCFA 都在 60 分钟内达到峰值,并在补充后 120 分钟内恢复到基线浓度。考虑到 240 分钟监测期内的总循环暴露量,丙酸盐和丁酸盐存在剂量分级关系。此外,为期一周、每天两次的重复补充方案不会导致基础血清 SCFA 浓度发生变化。总之,这些数据表明,乙酸盐、丙酸盐和丁酸盐在口服同时摄入后显示出相对相似的循环浓度曲线,这有助于为未来需要急性提高循环 SCFA 的补充策略提供信息。
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来源期刊
Food & Function
Food & Function BIOCHEMISTRY & MOLECULAR BIOLOGY-FOOD SCIENCE & TECHNOLOGY
CiteScore
10.10
自引率
6.60%
发文量
957
审稿时长
1.8 months
期刊介绍: Food & Function provides a unique venue for physicists, chemists, biochemists, nutritionists and other food scientists to publish work at the interface of the chemistry, physics and biology of food. The journal focuses on food and the functions of food in relation to health.
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