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Safety Evaluation and Effect of Food Supplement Containing Dietary Fiber From Cassava on the Alterations of Physiological Parameters in Overweight Female Volunteers

Overweight Clinical Trial

Official title:
Safety Evaluation and Effect of Food Supplement Containing Dietary Fiber From Cassava on the Alterations of Physiological Parameters in Overweight Female Volunteers

Clinical Trial Summary

This study is set up to determine the consumption safety and the effect of a food supplement containing dietary fiber from cassava on the alterations of physiological parameters including fasting blood sugar, HbA1c, insulin resistance, lipid profiles, atherogenic index, blood pressure and gut microbes in overweight female volunteers.

Clinical Trial Description

Cassava is one of the important industrial crops in Thailand. The leftover fiber of cassava is still valuable and can be used as a dietary fiber. The previous study demonstrated that dietary fiber containing cassava fiber was safe for consumption without any contamination of the cyanide and heavy metals. Moreover, the microbial contaminations were within the safety range. The toxicity study revealed that the LD50 of the cassava dietary fiber was more than 5 g/kg body weight (BW) and NOAEL was 3 g/kg BW. The NOAEL was used to calculate the human equivalent dose for determining the effect of cassava dietary fiber in a clinical study.

Cassava dietary fiber consists of water-insoluble fiber such as cellulose more than 50%. The previous study showed that insoluble fiber decreased the risk of type 2 diabetes and increased insulin release. Moreover, a high fiber diet also decreased the fasting glucose and HbA1C in type 2 diabetes volunteer. In addition, the effect of dietary fiber on the reduction of cholesterol was also reported. The previous study reported that the cassava dietary fiber could decrease the total cholesterol, triglyceride but increase high-density lipoprotein in a dyslipidemia rat model. Therefore, the cassava fiber might be the potential food supplement for the control of blood sugar and lipid profiles in human. However, less scientific data support the effect of cassava dietary fiber in human. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT04013490
Study type Interventional
Source Khon Kaen University
Contact
Status Completed
Phase Phase 1
Start date February 27, 2019
Completion date August 31, 2019
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