| Budget Amount *help |
¥4,810,000 (Direct Cost: ¥3,700,000、Indirect Cost: ¥1,110,000)
Fiscal Year 2013: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2012: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2011: ¥2,080,000 (Direct Cost: ¥1,600,000、Indirect Cost: ¥480,000)
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| Research Abstract |
To clarify the effects of muscle fiber type on the nucleotide content, the concentration of nucleotides were determined from bovine muscles, porcine muscles and porcine single muscle fibers. The concentration of inosine 5'-monophosphate (IMP) was significantly lower in the slow type muscles than that in the fast type muscles, and ultimate pH was higher in the slow type muscles. The results suggested that the higher pH condition accelerated ATP degradation process and then decreased the IMP concentration in the slow type muscles. The IMP concentration of an each single muscle fiber was determined in the fibers separated from porcine psoas major muscles.Although slow and fast type muscle fibers were separated from the same psoas major muscle, there was no significant difference in IMP concentration between the slow and fast muscle fibers. The equilibration of pH in a muscle post-mortem may explain the conflict of the results from muscles and single muscle fibers.
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