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2011•Science and Technology of Food IndustryRequires access

Study on anti-fatigue effect of Yunnan green tea

Dongying Zhang

Open publisher page 1 citations

Abstract

The anti-fatigue effect of Yunnan green tea was investigated. Kunming mice were selected and then divided into 5 groups:blank control group given 0.9% normal saline,positive control group given 0.5g/kg·bw Rhodiola Rosae P. E,low-dose group(0.5g/kg·bw)of green tea,middle-dose group(1.0g/kg·bw)of green tea and high-dose group(2.0g/kg·bw)of green tea. After 30d,ten mice from each group were selected for the weight-loaded swimming test. For other mice,the blood lactic acid(BLA),lactate dehydrogenase(LDH),muscle glycogen(MG)and liver glycogen(LG)were determined. The result was showed as follows:compared with blank control group,green tea could significantly prolong swimming time,reduce lactic-acid level,increase lactate dehydrogenase level and increase liver glycogen and muscle glycogen storage after swimming. So,green tea has the function of alleviate physical fatigue,and middle-dose of green tea has better effect.

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What this paper is about

The anti-fatigue effect of Yunnan green tea was investigated. Kunming mice were selected and then divided into 5 groups:blank control group given 0.9% normal saline,positive control group given 0.5g/kg·bw Rhodiola Rosae P. E,low-dose group(0.5g/kg·bw)of green tea,middle-dose group(1.0g/kg·bw)of green tea and high-dose group(2.0g/kg·bw)of green tea. After 30d,ten mice from each group were selected for the weight-loaded swimming test. For other mice,the blood lactic acid(BLA),lactate dehydrogenase(LDH),muscle glycogen(MG)and liver glycogen(LG)were determined. The result was showed as follows:compared with blank control group,green tea could significantly prolong swimming time,reduce lactic-acid level,increase lactate dehydrogenase level and increase liver glycogen and muscle glycogen storage after swimming. So,green tea has the function of alleviate physical fatigue,and middle-dose of green tea has better effect.

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Available abstract

The anti-fatigue effect of Yunnan green tea was investigated. Kunming mice were selected and then divided into 5 groups:blank control group given 0.9% normal saline,positive control group given 0.5g/kg·bw Rhodiola Rosae P. E,low-dose group(0.5g/kg·bw)of green tea,middle-dose group(1.0g/kg·bw)of green tea and high-dose group(2.0g/kg·bw)of green tea. After 30d,ten mice from each group were selected for the weight-loaded swimming test. For other mice,the blood lactic acid(BLA),lactate dehydrogenase(LDH),muscle glycogen(MG)and liver glycogen(LG)were determined. The result was showed as follows:compared with blank control group,green tea could significantly prolong swimming time,reduce lactic-acid level,increase lactate dehydrogenase level and increase liver glycogen and muscle glycogen storage after swimming. So,green tea has the function of alleviate physical fatigue,and middle-dose of green tea has better effect.

Key concepts: Glycogen, Lactic acid, Green tea, Lactate dehydrogenase, Green tea extract, Saline, Lactic dehydrogenase, Body weight

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