Working Paper Article Version 1 This version is not peer-reviewed

Associations between Dietary Pattern, Bioactive Algal Nutrients Supplementation and Metabolic Risk Markers in Japanese Women: The NAMI Pilot Study

Version 1 : Received: 11 July 2021 / Approved: 20 July 2021 / Online: 20 July 2021 (14:46:08 CEST)

How to cite: Nlandu, N.R.; Hirao, T.; Ikeda, M. Associations between Dietary Pattern, Bioactive Algal Nutrients Supplementation and Metabolic Risk Markers in Japanese Women: The NAMI Pilot Study. Preprints 2021, 2021070453 Nlandu, N.R.; Hirao, T.; Ikeda, M. Associations between Dietary Pattern, Bioactive Algal Nutrients Supplementation and Metabolic Risk Markers in Japanese Women: The NAMI Pilot Study. Preprints 2021, 2021070453

Abstract

Unhealthy diet can lead to the development of metabolic disorders, and studies have shown strong associations between those conditions, c-reactive protein (CRP) and adiponectin. We report on associations between targeted metabolic markers and active nutrients from diet and Sujiaonori algal supplement (SBM), a natural adiponectin modulation inducer (NAMI) containing 60% of bioactive ulvan-rich fiber, in Japanese women. The study comprised dietary survey and intervention conducted in Kochi, Japan (2016-2017), involving 31 women who completed a dietary survey and provided biospecimen for CRP and adiponectin measurement using ELISA. Sixteen women received 3g SBM daily for one month and 15 others (controls) received 3g of corn starch. In SBM group, mean age was 23.06 (2.21) years [vs. 23.06 (1.55)], BMI was 21.11 (0.59) kg/m2 [vs. 21.43 (0.60) in controls], and daily intake of n3-PUFA [3.83 (0.24) vs. 2.21 (0.33) mg/day; p=0.042] and total fiber [364.12 (2.45) vs. 48.13 (1.57) mg/day in controls; p=0.000] were markedly higher. Furthermore, CRP was inversely associated with total fiber, total n3-PUFA, SBM-n3PUFA, vitamin D and vitamin B6, whereas adiponectin was strongly and positively associated with SBM-fiber and total n3-PUFA. Thus ulvan-rich SBM supplement, which contains ulvan-rich fiber and n3-PUFA, might be beneficial in reducing metabolic risk.

Keywords

Adiponectin; Adiponectin modulation inducer; C-reactive protein; Metabolic marker; Sujiaonori.

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