Document Type

Thesis

Date of Degree Completion

Spring 2008

Degree Name

Bachelor of Science

Department

Exercise Science

Committee Chair

Dr. David Gee, Department of Nutrition, Exercise and Health Science

Second Committee Member

Dr. Lucinda Carnell, Department of Biology

Third Committee Member

Dr. Audrey D. Huerta, Director Science Honors Research Program

Abstract

Green tea extract (GTE) containing catechin polyphenols is marketed widely as a dietary supplement intended to enhance weight loss. Epigallo Catechin Gallate (EGCG) is a polyphenol found in green tea that some studies have found to increase Energy Expenditure (EE) and to decrease Respiratory Quotient (RQ) in human subjects. The purpose of this study was to determine the effect of two weeks of chronic supplementation of 540 mg of EGCG on anthropometric measurements, body composition, blood pressure, EE and RQ in adult women at rest and at low levels of exertion. Results trended toward reducing resting RQ (p=.098) but showed no significant differences after walking at 2.5 m.p.h. RQ at 3.0 m.p.h. trended towards reducing RQ (p=.056) following supplementation. No significant changes were found in anthropometric data, blood pressure, REE or in energy expenditure while walking. These results agree with findings in which RQ was reduced after supplementation with GTE.

Comments

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