The purpose of our observational study was to examine the distribution of the individual risk factors (obesity, hypertension, glucose intolerance and hyper-lipidemia) that comprise the metabolic syndrome (definition of The Japan Medical Association) in 4 hundred thousands Japanese workers working in all Prefectures, Japan. The results were as follows. In examining the distribution of individual risk factors that comprise the metabolic syndrome in the study sample, 30.9% of the entire study male population and 41.8% of the entire study female population had none of these coronary risk factors. 9.5% of the entire study male population and 5.3% of the entire study female population had any 3 of these coronary risk factors. 2.1% of the entire study male population and 1.0% of the entire study female population had all of these 4 coronary risk factors. Approximately 2% of male Japanese and 1% of females were metabolic syndrome with all 4 risk factors. The prevalence of the metabolic syndrome was almost in male as high as in women. Individuals classified as having this syndrome might be slightly older and more likely to be male. However since our study sample were healthy workers, the actual prevalence of the metabolic syndrome was likely underestimated in the present investigation for the reason of selection bias.

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The purpose of this study is to compare the physical factors (25 factors) relating to walking strides in usual walking and rapid walking between old-old residents and young-old residents using multiple regression analysis (stepwise method). The results were as follows. 1. Walking strides in usual walking 1) Old-old residents Walking strides were 0.51±0.10m on average and were significantly related to Activity Index (β=0.418), bone mass density (β=0.230) and Kemp Test positive (β=-0.253), body fat % (β=-0.182), shoulder pains (β=-0.154) among 25 physical factors. 2) Young-old residents Walking strides were 0.59±0.10m on average and were significantly related to flexion angle of knee joint (β=0.172), leg extension muscle power (β=0.135), previous respiratory disease (β=0.126), Activity Index (β=0.123), abduction muscle power (β=0.118) and right Kemp Test positive (β=-0.181), left Kemp Test positive (β=-0.155), previous hypertension (β=-0.149), previous cerebral apoplexy (β=-0.146) among 25 physical factors. 2. Walking strides in rapid walking 1) Old-old residents Walking strides were 0.59±0.13m on average and were significantly related to Activity Index (β=0.350), grasp power (β=0.211), bone mass density (β=0.180) and body fat% (β=-0.201), Kemp Test positive (β=-0.195), shoulder pains (β=-0.157) among 25 physical factors. 2) Young-old residents Walking strides were 0.67±0.13m on average and were significantly related to grasp power (β=0.325), abduction muscle power (β=0.126), respiratory symptoms (β=0.113) and body fat% (β=-0.147).

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In Japanese market, there is a lot of honey with high-temperature short-time heating treatment. In the present study, effects of the heating and a long time preservation on invertase activity and folic acid content in honey were examined. It is evident that heating can make a simultaneous reduction in the invertase activity and folic acid content. Although fresh honey showed high invertase activity and folic acid content, long-time preserved honey showed very low invertase activity and folic acid content. These results indicate that invertase activity and folic acid content can be used as indices of the fresh of honey.

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In order to promote to cut down on salt of seasonings, rice-miso was made by using high-potassium salt that was imported from Israel, and was examined on the quality. The Mix of soy been (2 kg), rice-Koji (2 kg) and salt (0.8 kg) was fermented at 30℃ for 4 months. As the result, the rice-miso of middle-salty type was made. The miso didn't taste bitter of Potassium Chloride. There was not difference between this miso and control miso in general components and sensual test. By using high-potassium salt, it became possible to cut down on salt of miso.

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