Effects of Anoectochilus formosanus on endurance capacity in mice

The present study was designed to determine the effects of Anoectochilus formosanus extract (AFE) on endurance capacity in mice. Four wk-old male mice were given either a vehicle {distilled water) or AFE (500, 1,000 mg/kg) through stomach intubations for 4 wk. Mice were made to perform swimming exer...

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Veröffentlicht in:Journal of Nutritional Science and Vitaminology 2005, Vol.51(1), pp.40-44
Hauptverfasser: Ikeuchi, M. (Tokyo Univ. or Marine Science and Technology (Japan)), Yamaguchi, K, Nishimura, T, Yazawa, K
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container_title Journal of Nutritional Science and Vitaminology
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creator Ikeuchi, M. (Tokyo Univ. or Marine Science and Technology (Japan))
Yamaguchi, K
Nishimura, T
Yazawa, K
description The present study was designed to determine the effects of Anoectochilus formosanus extract (AFE) on endurance capacity in mice. Four wk-old male mice were given either a vehicle {distilled water) or AFE (500, 1,000 mg/kg) through stomach intubations for 4 wk. Mice were made to perform swimming exercises with weights attached to their tails corresponding to 10% of their body weight. Endurance capacity was evaluated by swimming time to exhaustion. The group treated with 1,000 mg/kg AFE showed a significant improvement (p
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In the 1,000 mg/kg body weight of AFE administration group, blood lactate concentration was significantly lower than in the control group. In the AFE administration group, the plasma non-esterfied fatty acid (NEFA) was significantly increased by swimming exercise. AFE treatment also significantly decreased fat accumulation. Liver and gastrocnemius muscle glycogen after 15 min of swimming remained at significantly higher levels in the mice fed 1,000 mg/kg of AFE as compared to the control group. 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The mice were made to swim for 15 min with loads corresponding to 5% of their body weight. In the 1,000 mg/kg body weight of AFE administration group, blood lactate concentration was significantly lower than in the control group. In the AFE administration group, the plasma non-esterfied fatty acid (NEFA) was significantly increased by swimming exercise. AFE treatment also significantly decreased fat accumulation. Liver and gastrocnemius muscle glycogen after 15 min of swimming remained at significantly higher levels in the mice fed 1,000 mg/kg of AFE as compared to the control group. These results suggest that AFE activated utilization of lipid more than glucose as the energy source for performance.</description><subject>Adipose Tissue - anatomy &amp; histology</subject><subject>Animals</subject><subject>Anoectohilus formosanus</subject><subject>Biological and medical sciences</subject><subject>Blood Glucose - analysis</subject><subject>Cholesterol - blood</subject><subject>endurance capacity</subject><subject>Epididymis</subject><subject>Fatty Acids, Nonesterified - blood</subject><subject>Feeding. Feeding behavior</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Glycogen - analysis</subject><subject>HERBAL TEAS</subject><subject>lactate</subject><subject>LACTATES</subject><subject>Lactic Acid - blood</subject><subject>Liver - chemistry</subject><subject>Male</subject><subject>Mice</subject><subject>Muscle, Skeletal - chemistry</subject><subject>ORCHIDACEAE</subject><subject>Orchidaceae - chemistry</subject><subject>Organ Size - drug effects</subject><subject>PHYSICAL ACTIVITY</subject><subject>Physical Endurance - drug effects</subject><subject>Physical Exertion - drug effects</subject><subject>Plant Extracts - administration &amp; dosage</subject><subject>Plant Extracts - pharmacology</subject><subject>Swimming</subject><subject>Vertebrates: anatomy and physiology, studies on body, several organs or systems</subject><issn>0301-4800</issn><issn>1881-7742</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2005</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNpF0Etr3DAUBWBRWppJ0k33Ld60i4Inej-Ww5CmCYF20a6FJF8lHmxrKtmB_Pva9ZBspAv6OFcchD4SvGVEqavDUJ62gmw5foM2RGtSK8XpW7TBDJOaa4zP0HkpB4y50Vy_R2dEGCKkVBu0u44RwliqFKvdkOYxhce2m0oVU-5TccM8pqGCoZmyGwJUwR1daMfnqh2qvg1wid5F1xX4cLov0J_v17_3P-r7nze3-919HSQWYy0J8843OnqhqQePDQOqJCMCC8qMAA4UwHhPmXCNI54pQk0A2XBhDPPsAn1dc485_Z2gjLZvS4CucwOkqViptFRMkBl-W2HIqZQM0R5z27v8bAm2S2F2KcwKYjme8edT6uR7aF7pqaEZfDkBV4Lr4lJCW16dVEYKvbj96g5ldA_wAlwe29DB_53EKLbsJevB8ctreHTZwjCnfFpTokvWPeR5090virHEmND5u_8AbqmUKA</recordid><startdate>2005</startdate><enddate>2005</enddate><creator>Ikeuchi, M. 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subjects Adipose Tissue - anatomy & histology
Animals
Anoectohilus formosanus
Biological and medical sciences
Blood Glucose - analysis
Cholesterol - blood
endurance capacity
Epididymis
Fatty Acids, Nonesterified - blood
Feeding. Feeding behavior
Fundamental and applied biological sciences. Psychology
Glycogen - analysis
HERBAL TEAS
lactate
LACTATES
Lactic Acid - blood
Liver - chemistry
Male
Mice
Muscle, Skeletal - chemistry
ORCHIDACEAE
Orchidaceae - chemistry
Organ Size - drug effects
PHYSICAL ACTIVITY
Physical Endurance - drug effects
Physical Exertion - drug effects
Plant Extracts - administration & dosage
Plant Extracts - pharmacology
Swimming
Vertebrates: anatomy and physiology, studies on body, several organs or systems
title Effects of Anoectochilus formosanus on endurance capacity in mice
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