Characterization of Starch Granules in Rice Culms for Application of Rice Straw as a Feedstock for Saccharification
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概要
- 論文の詳細を見る
Rice plants are known to accumulate starch in leaf sheaths and culms, and in some cultivars significant amounts of starch are present at the mature stage. This can be considered as potential feedstock for the recovery of fermentable sugars. We isolated starches from the culms of cultivars Yumeaoba, Koshihikari, and Leafstar to investigate their structural and physical features. Yumeaoba culm starch contained 20.2% amylose, whereas Koshihikari and Leafstar contained 25.8% and 25.2%. Yumeaoba culm starch was found by chain-length distribution analysis to contain higher amounts of short chains, resulting in lower gelatinization temperature by 7 °C, as compared to Koshihikari and Leafstar. Consequently, the rate of enzymatic hydrolysis of Yumeaoba culm starches reached maximum at a lower temperature than Leafstar. Rice culm starch, with a lower gelatinization temperature, can provide an advantageous material for feedstock for bioethanol production in terms of energy conservation.
- 社団法人 日本農芸化学会の論文
- 2010-08-23
著者
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Park Jeung-Yil
National Food Research Institute, National Agriculture and Food Research Organization (NARO)
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Shiroma Riki
National Food Research Institute, National Agriculture and Food Research Organization (NARO)
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TOKUYASU Ken
National Food Research Institute, National Agriculture and Food Research Organization (NARO)
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Tokuyasu Ken
National Food Res. Inst. National Agriculture And Food Res. Organization (naro)
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Park Jeung-yil
National Food Res. Inst. National Agriculture And Food Res. Organization (naro)
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Arai Sanoh
Rice Physiology Research Team National Institute Of Crop Science
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Kondo Motohiko
National Institute Of Crop Science
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Kondo Motohiko
Rice Physiology Research Team National Institute Of Crop Science
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Shiroma Riki
National Food Res. Inst. National Agriculture And Food Res. Organization (naro)
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Kondo Motohiko
National Agriculture Research Center
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Ida Masashi
National Food Res. Inst. National Agriculture And Food Res. Organization (naro)
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Kondo Motohiko
National Institute Of Crop Science Naro
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MATSUKI Junko
National Food Research Institute, National Agriculture and Food Research Organization (NARO)
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ARAI SANOH
National Institute of Crop Science, NARO
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MOTOBAYASHI Kota
National Agricultural Research Center Hokuriku Research Center, NARO
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Arai Sanoh
National Institute Of Crop Science Naro
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Matsuki Junko
National Food Research Institute National Agriculture And Food Research Organization (naro)
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Shiroma Riki
National Food Research Institute National Agriculture And Food Research Organization
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Ida Masashi
Kumiai Chemical Ind. Co. Ltd.
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