Journal of Food and Nutrition Research
ISSN (Print): 2333-1119 ISSN (Online): 2333-1240 Website: http://www.sciepub.com/journal/jfnr Editor-in-chief: Prabhat Kumar Mandal
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Journal of Food and Nutrition Research. 2017, 5(8), 622-628
DOI: 10.12691/jfnr-5-8-13
Open AccessArticle

Effects of Glucomannan Noodle on Diabetes Risk Factors in Patients with Metabolic Syndrome: A Double-Blinded, Randomized Crossover Controlled Trial

Kuan-Un Cheang1, Chiao-Ming Chen2, C-Y. Oliver Chen3, Feng-Yu Liang4, Chun-Kuang Shih1 and Sing-Chung Li1,

1School of Nutrition and Health Science, College of Nutrition, Taipei Medical University, Taipei, Taiwan

2Department of Food Science, Nutrition, and Nutraceutical Biotechnology, Shih Chien University, Taipei, Taiwan

3Antioxidants Research Laboratory, Jean Mayer USDA Human Nutrition Research Center on Aging, Tufts University, Boston, MA

4Department of Hospitality Management, Hsuan Chuang University, Hsinchu, Taiwan

Pub. Date: August 07, 2017

Cite this paper:
Kuan-Un Cheang, Chiao-Ming Chen, C-Y. Oliver Chen, Feng-Yu Liang, Chun-Kuang Shih and Sing-Chung Li. Effects of Glucomannan Noodle on Diabetes Risk Factors in Patients with Metabolic Syndrome: A Double-Blinded, Randomized Crossover Controlled Trial. Journal of Food and Nutrition Research. 2017; 5(8):622-628. doi: 10.12691/jfnr-5-8-13

Abstract

Glucomannan is a water-soluble dietary fiber derived from the root of Amorphophallus konjac that can improve blood sugar, blood fat concentration, and weight management, and has other health benefits. The aim of this study is to investigate the effect of glucomannan noodles on components of the metabolic syndrome. A randomized, double-blind, placebo-controlled, crossover study, 32 individuals with metabolic syndrome were received a daily servings of 400 gram glucomannan noodles for a period of four weeks. After two weeks of wash out period, they received a placebo noodles for four weeks. There were no statistical difference in calories, carbohydrate, protein, fat and dietary fiber intake from 24 h food recalls between glucomannan noodles and placebo noodles groups. However, the body weight, body mass index, and waist circumference had significantly decreased after 4-week intervention in both groups, but high sensitivity C-reactive protein was lowered only in glucomannan noodles group. Moreover, the 24 individuals with type 2 diabetes had significantly decreased body weight, BMI, waist circumference, hs-CRP, and glycated hemoglobin after glucomannan noodles intervention. The rest of lipid profile, fasting blood glucose, insulin, and HOMA-IR of the subjects did not show any significant difference. This study showed that glucomannan noodles as a staple food can contribute to metabolic syndrome in adults predisposed to type 2 diabetes.

Keywords:
konjac noodle metabolic syndrome diabetes mellitus

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