ANSWER
Glucomannan is a water-soluble, fermentable dietary fiber that is extracted from the tuber or root of the elephant yam, also known as konjac (Amorphophallus konjac) (Keithley et al., 2013). Konjac has multiple benefits to obesity and diabetes diseases besides helping in constipation relieve. It also plays an important role as a prebiotic by inducing beneficial bacteria in our guts, while having an anti-hypercholesterolemia effect as a soluble dietary fiber in human (Dai et al., 2016). Moreover, konjac is a nutritious plant and is commonly used in the food industry for its gelling properties (Khan & Marya, 2019).
Authors | Findings and Description |
Janani & Changaee, 2018 |
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Ho et al., 2017 |
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Kaats et al., 2015 |
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Shah et al., 2015 |
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Suwannaporn et al., 2015 |
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Al-Ghazzewi & Tester, 2014 |
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Hickey, 2012; Suwannaporn et al., 2013 |
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Al-Sheraji et al., 2013; Mudgil & Barak, 2013 |
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References
Al-Ghazzewi, F., & Tester, R. (2014). Inhibition of the adhesion of Escherichia coli to human epithelial cells by carbohydrates. Bioactive Carbohydrates And Dietary Fibre, 4(1), 1-5. https://doi.org/10.1016/j.bcdf.2014.05.001
Al-Sheraji, S., Ismail, A., Manap, M., Mustafa, S., Yusof, R., & Hassan, F. (2013). Prebiotics as functional foods: A review. Journal Of Functional Foods, 5(4), 1542-1553. https://doi.org/10.1016/j.jff.2013.08.009
Dai, S., Corke, H., & Shah, N. P. (2016). Utilization of konjac glucomannan as a fat replacer in low-fat and skimmed yogurt. Journal Of Dairy Science, 99(9), 7063-7074. https://doi.org/10.3168/jds.2016-11131
Hickey, R. (2012). The role of oligosaccharides from human milk and other sources in prevention of pathogen adhesion. International Dairy Journal, 22(2), 141-146. https://doi.org/10.1016/j.idairyj.2011.09.012
Ho, H. V. T., Jovanovski, E., Zurbau, A., Mejia, S. B., Sievenpiper, J. L., Yeung, F. A., Jenkins, A. L., Duvnjak, L., Leiter, L., & Vuksan, V. (2017). A systematic review and meta-analysis of randomized controlled trials of the effect of konjac glucomannan, a viscous soluble fiber, on LDL cholesterol and the new lipid targets non-HDL cholesterol and apolipoprotein B, The American Journal of Clinical Nutrition, 105(5), 1239–1247.
Janani, F., & Changaee, F. (2018). The effect of glucomannan on pregnancy constipation. Journal of Family Medicine and Primary Care, 7(5):903-906.
Kaats, G., Bagchi, D., & Preuss, H. (2015). Konjac Glucomannan Dietary Supplementation Causes Significant Fat Loss in Compliant Overweight Adults. Journal Of The American College Of Nutrition, 0(0), 1-7.
Keithley, J., Swanson, B., Mikolaitis, S., DeMeo, M., Zeller, J., Fogg, L., & Adamji, J. (2013). Safety and Efficacy of Glucomannan for Weight Loss in Overweight and Moderately Obese Adults. Journal Of Obesity, 2013, 1-7. https://doi.org/10.1155/2013/610908
Khan, H., & Marya. (2019). Konjac (Amorphophallus konjac). Nonvitamin And Nonmineral Nutritional Supplements, 307-312. https://doi.org/10.1016/b978-0-12-812491-8.00044-8
Mudgil, D., & Barak, S. (2013). Composition, properties and health benefits of indigestible carbohydrate polymers as dietary fiber: A review. International Journal Of Biological Macromolecules, 61, 1-6. https://doi.org/10.1016/j.ijbiomac.2013.06.044
Shah, B., Li, B., Wang, L., Liu, S., Li, Y., & Wei, X. et al. (2015). Health benefits of konjac glucomannan with special focus on diabetes. Bioactive Carbohydrates And Dietary Fibre, 5(2), 179-187. https://doi.org/10.1016/j.bcdf.2015.03.007
Suwannaporn, P., Tester, R., Al-Ghazzewi, F., & Artitdit, P. (2015). Effect of short term administration of konjac glucomannan hydrolysates on adult blood lipid parameters and glucose concentrations. Nutrition & Food Science, 45(4), 616-624. https://doi.org/10.1108/nfs-02-2015-0012
Suwannaporn, P., Thepwong, K., Tester, R., Al-Ghazzewi, F., Piggott, J., & Shen, N. et al. (2013). Tolerance and nutritional therapy of dietary fibre from konjac glucomannan hydrolysates for patients with inflammatory bowel disease (IBD). Bioactive Carbohydrates And Dietary Fibre, 2(2), 93-98. https://doi.org/10.1016/j.bcdf.2013.09.005