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purpose:The average life expectancy of Japanese renewed the past maximum in 2008.In our country where the aging advances, it is a very important problem to narrow the interval in healthy life expectancy and average life expectancy.In Kawachi district which is a part of Osaka prefecture, the peach tree was widely planted, because that the peach nucleus is excavated from remains in the tumulus period prophase.Since there was the peach forest in Inada district, it became the famous region as an“ Inada peach”.Recently, the regeneration cultivation is tackled with the aim of durable and environmental societies such as the maintenance of Inada peach as part of environmental preservation activity which utilized the character of this region.