Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Associations between Bioactive Algal Biomaterial Supplementation, Dietary Pattern and Metabolic Risk Markers in Japanese Women

Version 1 : Received: 16 July 2021 / Approved: 19 July 2021 / Online: 19 July 2021 (14:28:52 CEST)

How to cite: Ngatu, N.R.; Hirao, T.; Ikeda, M. Associations between Bioactive Algal Biomaterial Supplementation, Dietary Pattern and Metabolic Risk Markers in Japanese Women. Preprints 2021, 2021070415. https://doi.org/10.20944/preprints202107.0415.v1 Ngatu, N.R.; Hirao, T.; Ikeda, M. Associations between Bioactive Algal Biomaterial Supplementation, Dietary Pattern and Metabolic Risk Markers in Japanese Women. Preprints 2021, 2021070415. https://doi.org/10.20944/preprints202107.0415.v1

Abstract

Unhealthy diet can lead to the development of metabolic disorders, and studies have shown strong associations between those conditions and biomarkers, such as c-reactive protein (CRP) and adiponectin. Recently, marine algal biomaterials have been investigated extensively due to their health benefits. We report on associations between metabolic markers and bioactive nutrients from diet and Sujiaonori algal biomaterial (SBM), a natural adiponectin modulation inducer (NAMI) containing 60% of ulvan-rich fiber, in a sample of 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.

Subject

Medicine and Pharmacology, Endocrinology and Metabolism

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