ウンシュウミカンの成分分析では，高水溶性のイオン性低分子を網羅的に探索した研究はほとんど無い．本研究では，静岡県三ヶ日産ウンシュウミカンの ‘青島温州’ や ‘興津・宮川早生’ を対象に，高水溶性成分をキャピラリー電気泳動-質量分析法によるメタボローム解析を用いて調査し，品種，グレード，処理方法ごとの総測定データも蓄積させた．この分析では，対象とした151の成分のうち，早生ではメチオニン，グリシン，アスパラギン酸が，青島ではオルニチン，プトレシン，シネフリン，グルタミンが，青島の果汁ではピログルタミン酸，GABA（γ-アミノ酪酸），マロン酸が，有意に多く検出された．さらに，生果と加工品，および加工前後での比較結果を統合し，含有成分量の変化に寄与すると推測される要因も整理した．これらの解析は，三ヶ日産ウンシュウミカンに含まれる高水溶性成分の基礎データとして，今後，代謝や加工による成分変化のさらなる検証につながることが期待される．また，本研究において，クエン酸やGABAなどの機能性表示登録がすでにある成分に加えて，機能性が示唆される成分も検出された．農産物の新規機能性成分表示の検討等においてもメタボローム解析は有用であることを強く示していると言える．

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This study investigates how local entrepreneurs innovate in production areas. In particular, this study considers the implementation of the changes in production areas by local entrepreneurs from other industries, instead of by inside entrepreneurs, a topic of interest in existing research.

Today, society emphasizes regional activation, especially innovation in the region through cooperation between different industries. Prior studies point out that the realization of strategic sociality is a key to gaining legitimacy in the region for small and medium enterprises with roots in the region, and existing work discusses the realization of regional innovation from the view of entrepreneurial activities. However, previous research mainly addresses innovation arising from groups in the same industry, and does not sufficiently examine the innovation of production areas originating in different industries. This study explores this kind of innovation through a case analysis. Specifically, this study analyzes the utilization business of waste mandarin oranges by a butcher in Mikkabi Town, Kita Ward, Hamamatsu City, Shizuoka Prefecture, and clarifies the route of the business creation and changes in production areas.

The case analysis indicates two findings. First, it was not easy to obtain cooperation from producers, even if the venture created a business satisfying strategic sociality. Secondly, the key to transforming the production area was that the local entrepreneur modified his business model and encouraged producers to participate in his business. This case analysis suggests the significance of the entrepreneur who changes the region itself, which is different from the image of the local entrepreneur as the entity using local resources, as presented in prior research.. Abstract

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The objective for this study is to grasp the degree of recognition with a new food system, its function claims, and how to promote it with appropriate consumer education. The results of the questionnaire survey show: 1)The degree of recognition for the new system is low with consumers who foster a preschool age child, 2)with fresh food, the degree of recognition is low despite the presence or absence of a preschool age child, and 3)false recognitions of function claims by consumers will undermine their willingness to buy foods with those that are valid.

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During the 1970s and 1980s, most of the Satsuma mandarin-producing regions of Japan faced a crisis owing to excessive supply. However, around this time, the town of Mikkabi in Shizuoka Prefecture, whose key industry is the production of mandarin oranges, recorded remarkable market growth. This study examines the competitiveness acquired by the mandarin producers in Mikkabi that helped them survive the crisis that crippled the rest of the industry.

Among the various fruit industries in Japan, the Satsuma mandarin industry experienced the most dramatic vicissitudes of fortune. The industry grew remarkably in the 1950s and 1960s, but began to decline during the 1970s and 1980s due to oversupply. During this period of crisis, the mandarin producers in Mikkabi not only survived but actually prospered. However, Mikkabi's success in overcoming the decline remains incompletely understood. This study describes how the Mikkabi mandarin-producing region overcame the difficulties plaguing the rest of the industry and succeeded by actively building competitiveness in the volume retailer market.

Based on the analysis, we conclude that Mikkabi transformed itself in response to changes in the market and established core competitiveness in the newly growing market—the volume retailer market. Specifically, while entering the volume retailer market, mandarin producers in the Mikkabi region switched to the more competitive Aoshima variety to increase the competitiveness of their large lot produce. Thus, Mikkabi built new competitiveness in the growing volume retailer market, not in the existing small retailer market that was on the decline.

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