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Article

The Role of Soluble Corn Fiber on Glycemic and Insulin Response

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Clinical Nutrition Research Centre (CNRC), Singapore Institute for Clinical Sciences (SICS), Agency for Science, Technology and Research (A*STAR) and National University Health System, Singapore 117599, Singapore
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Innovation and Commercial Development, Tate & Lyle Ingredients Americans LLC, Hoffman Estates, IL 60192, USA
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Department of Biochemistry, Yong Loo Lin School of Medicine, National University of Singapore, Singapore 117596, Singapore
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Author to whom correspondence should be addressed.
Nutrients 2020, 12(4), 961; https://doi.org/10.3390/nu12040961
Received: 10 February 2020 / Revised: 24 March 2020 / Accepted: 25 March 2020 / Published: 30 March 2020
(This article belongs to the Section Nutritional Epidemiology)
Increasing prevalence of type 2 diabetes mellitus (T2DM) in Asia has prompted the exploration of dietary fibers as an ingredient to attenuate glycemic response (GR). This study aims to compare the effects of replacing 50% of total carbohydrate with soluble corn fiber (SCF) or maltodextrin on the GR and insulin response (IR). In this randomized cross-over study, twenty-two healthy Chinese males aged between 21–60 years were recruited. The participants consumed glucose beverages and four test meals comprising SCF or maltodextrin in glutinous rice or as a drink. Repeated-measure ANOVA was used to compare the incremental area under the curve values of glucose (iAUGC) and insulin (iAUIC) of all the foods. Relative response (RR) of the beverages were also calculated and compared using paired t-test. SCF treatments had significantly lower iAUGC (p-value < 0.05) and iAUIC (p-value < 0.001) as compared to all treatments. Both treatments (rice and beverage) of maltodextrin were not significantly different from glucose (p-value > 0.05). Maltodextrin beverage had significantly increased postprandial GR and insulin secretion by 20% and 40%, respectively, when compared to SCF beverage (p-value < 0.001). This study shows that the inclusion of SCF into the diet is beneficial in controlling the postprandial GR. Replacing total carbohydrates with SCF effectively lowers GR and IR. View Full-Text
Keywords: glycaemic response; glucose; insulin; soluble dietary fiber glycaemic response; glucose; insulin; soluble dietary fiber
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MDPI and ACS Style

Tan, W.S.K.; Chia, P.F.W.; Ponnalagu, S.; Karnik, K.; Henry, C.J. The Role of Soluble Corn Fiber on Glycemic and Insulin Response. Nutrients 2020, 12, 961. https://doi.org/10.3390/nu12040961

AMA Style

Tan WSK, Chia PFW, Ponnalagu S, Karnik K, Henry CJ. The Role of Soluble Corn Fiber on Glycemic and Insulin Response. Nutrients. 2020; 12(4):961. https://doi.org/10.3390/nu12040961

Chicago/Turabian Style

Tan, Wei S.K., Pei F.W. Chia, Shalini Ponnalagu, Kavita Karnik, and Christiani J. Henry 2020. "The Role of Soluble Corn Fiber on Glycemic and Insulin Response" Nutrients 12, no. 4: 961. https://doi.org/10.3390/nu12040961

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