| Articles : Effects of Garcinia Cambigia Extracts Ingestion on Fat Oxidation During Moderate Intensity Exercise in Untrained Male |
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| Abstract |
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(-)-Hydroxycitrate (HCA ). an active ingredient extracted from the rind of Garcinia Cambogia, is widely used for herbal supplement or anti-obesity treatment. In this study, we examined the effects of short-term HCA ingestion on fat oxidation during exercise in untrained male. In two experiments. double blind and crossover method, 6 untrained males ingested 500 mg of soluble HCA or placebo for 5 days. On the 5th day of the ingestion. they performed endurance exercise test cycling ergometer at 40% VO_(2max) for 1 h and then continued the exercise at 60% VO_(2max) until exhausted. In HCA ingestion group, blood FFA concentration, were significantly increased and respiratory exchange ratio (RER) significantly decreased. AIso, fat oxidation during exercise period was enhanced, while carbohydrate oxidation decreased during the same periods. These results suggested that short-term HCA ingestion increase fat oxidation during exercise, which spares glycogen utilization during the constant intensity exercise in untrained men. |
| Key Words:
HCA, fat oxidation, endurance performance, exercise |
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