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Journal of Exercise Nutrition & Biochemistry 2004;8(2):207-212.
Articles : Effects of Capsaicin and (-)-HCA co-ingestion on Energy Substrates Utilization During Exercise in Rats
Abstract
The purpose of this study is to examine the effects of capsaicin and hydroxycitrate (HCA) ingestion on lipid metabolism during exercise in rats. Twenty-eight male Sprague-Dawley rats were randomly assigned 4 groups (CON: control, HCA: HCA supplementation, CAP: capsaicin supplementation, MIX: HCA plus capsaicin supplementation). All rats that have exercise trained and the diet supplemented in each group for 4 weeks. Blood glucose, lactate, FFA were analyzed as the blood energy substrates and liver and muscle glycogen were analyzed. Blood glucose concentration were significantly increased in the HCA and CAP (p<.05). FFA concentration were significantly decreased in the CAP and MIX (p<.05). Glycogen contents were significantly increased MIX (p<.05). These results suggested that 4 weeks ingestion of capsaicin and HCA promotes lipid oxidation and spares carbohydrate utilization in rat during exercise.
Key Words: Capsaicin, HCA, Exercise, Energy metabolism, Rats


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