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Serum Concentrations of Folate Forms Following Supplementation of Multimicronutrients with 400 µg or 800 µg Mix of (6S)‐5‐Methyltetrahydrofolate and Folic Acid (1:1) in Women of Childbearing Age
Molecular Nutrition & Food Research ( IF 4.5 ) Pub Date : 2024-10-28 , DOI: 10.1002/mnfr.202400444
Rima Obeid, Elena Rube, Christiane Schön, Jürgen Geisel

ScopeA mixture of (6S)‐5‐methyltetrahydrofolate‐calcium salt ((6S)‐5‐MTHF‐Ca) and folic acid (FA) from multimicronutrient supplements may show a dose‐dependent effect on serum folate concentrations.Methods and resultsThe study compares fasting concentrations of serum folate spices after 8 weeks of either 400 or 800 µg day−1 of 1:1 folate mixture in 172 nonpregnant women. Serum (6S)‐5‐MTHF concentrations raise from a mean (SD) of 19.1 (13.4) to 73.9 (19.6) nmol L−1 in the 800 µg group and from 17.5 (9.4) to 54.5 (21.1) nmol L−1 in the 400 µg group (p < 0.001 within‐group changes). The raise in serum (6S)‐5‐MTHF is stronger in the 800 µg compared to the 400 µg group (p < 0.001 between‐group). The prevalence of FA concentrations ≥0.20 nmol L−1 increases between baseline and week 8 in both groups, but is not different between the groups (p = 0.116). The mean percentage of (6S)‐5‐MTHF of total serum folate increases in both intervention groups, but is not different between the groups at 8 weeks (95.5 (4.1)% versus 94.4 (5.7)%, p = 0.309).ConclusionsSupplementation of multimicronutrients with 800 µg folate mix for 8 weeks causes higher serum (6S)‐5‐MTHF concentrations, but not a higher prevalence of detectable FA compares to 400 µg folate.

中文翻译:


育龄妇女补充 400 μg 或 800 μg (6S)‐5-甲基四氢叶酸和叶酸混合物 (1:1) 后叶酸形成的血清浓度



范围来自多种微量营养素补充剂的 (6S)-5-甲基四氢叶酸-钙盐 ((6S)-5-MTHF-Ca) 和叶酸 (FA) 的混合物可能对血清叶酸浓度产生剂量依赖性影响。方法和结果该研究比较了 172 名非孕妇服用 400 或 800 μg day-1 1:1 叶酸混合物 8 周后血清叶酸香料的空腹浓度。血清 (6S)‐5-MTHF 浓度在 800 μg 组中从平均值 (SD) 从 19.1 (13.4) 升高到 73.9 (19.6) nmol L-1,在 400 μg 组中从 17.5 (9.4) 升高到 54.5 (21.1) nmol L-1 (p < 0.001 组内变化)。与 400 μg 组相比,800 μg 血清 (6S)‐5-MTHF 的升高更强 (p < 0.001 组间)。两组 FA 浓度 ≥0.20 nmol L-1 的患病率在基线和第 8 周之间增加,但组间没有差异 (p = 0.116)。两个干预组总血清叶酸的 (6S)‐5-MTHF 的平均百分比增加,但在 8 周时两组之间没有差异 (95.5 (4.1) % 对 94.4 (5.7)%,p = 0.309)。结论补充 800 μg 叶酸混合物的多种微量营养素 8 周会导致较高的血清 (6S)‐5-MTHF 浓度,但与 400 μg 叶酸相比,可检测的 FA 的患病率并不高。
更新日期:2024-10-28
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