ユーグレナの栄養素と他の有用な食資源との栄養素の比較
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概要
- 論文の詳細を見る
We are planning to develop a new food production system utilizing Euglena gracilis, a photosynthetic microalga. In our previous reports, we investigated the influences of CO2 concentrations (0.04 and 10%) and light qualities (red and blue) on its growth and nutrient contents. We found that the quantum yield of Euglena was greater than that of higher plants, and on 10% CO2 condition and red and blue (PPFD ratio = 9:1) light irradiation was optimal for the growth and contents of protein and paramylon (β-1.3 glucan), and, in contrast, the 0.04% CO2 condition and blue light irradiation was optimal regarding the contents of antioxidant vitamins. In this report, we investigated the qualities of these nutrients in Euglena compared with those in other algae (protein), yeast (vitamin). Euglena proteins were composed of large quantities of well-balanced essential amino acids, with a score of 88, and a high net protein utilization of 79.9, similar to cow-milk casein. Tryglycerides in Euglena were mainly composed of unsaturated fatty acids, especially linoleic and linolenic acids, which are essential fatty acids for humans, as well as a large amount of arachidonic acid. Euglena cells also contained higher levels of vitamins than yeast, a good vitamin source, and some minerals. Furthermore, Euglena cells accumulated paramylon. We thus concluded that Euglena cells were appropriate for use in new food source systems.
- 生態工学会の論文
- 2009-04-30
著者
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乾 博
大阪府大院・生命環境
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中野 長久
大阪府立大学・産学官連携機構
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宮武 和孝
大阪府立大学
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村上 克介
三重大学大学院 生物資源学研究科
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宮武 和孝
Graduate School Of Life And Environmental Sciences Osaka Prefecture University
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宮武 和孝
阪府大院・生命環境科学
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松本 隆仁
Waken Technology Co. Ltd.
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乾 博
Graduate School of Life and Environmental Sciences, Osaka Prefecture University
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中野 長久
Graduate School of Life and Environmental Sciences, Osaka Prefecture University
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村上 克介
Graduated School of Bioresources, Mie University
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Miyatake Kazutaka
Department Of Applied Biological Chemistry College Of Agriculture University Of Osaka Prefecture
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Miyatake K
Department Of Applied Biological Chemistry College Of Agriculture University Of Osaka Prefecture
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乾 博
大阪府大・総リハ・栄養
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宮武 和孝
阪府大院・生命・生命機能化:帝塚山学院大・人間科
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