2013年8月5日星期一

pyruvate into lactate dehydrogenase L-lactic acid


In the fermentation process pyruvate is converted to lactate dehydrogenase L-lactic acid. In general the new generation of CHAN Xie and exercise lactate constantly being produced, but its concentration is generally not rise. Only in lactic acid Generating process accelerated, lactic acid can not be transported in a timely manner when the concentration will increase. Lactate transport speed by a series of factors, including Zinc lactate transporter, lactate dehydrogenase concentration and Isomeric forms, tissue oxidation. Generally the concentration of lactic acid in the blood do not exercise When 1-2 mmol / L, in the strong movement can rise to 20mmol / L.
Generally when an organization's lactic acid powder aerobic respiration can not be met, the organization can not get enough Not enough oxygen or oxygen fast enough to handle the case where the concentration of lactic acid will increase. In this Unable to timely case pyruvate dehydrogenase converts pyruvate acetyl coenzyme A, pyruvate open Initial accumulation.

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