Amperometric Titration of Starch with Iodine
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- KOBAYASHI Tsuneo
- Department of Agricultural Chemistry, Tokyo University of Agriculture and Technology
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- TAKU Akio
- Department of Agricultural Chemistry, Tokyo University of Agriculture and Technology
書誌事項
- タイトル別名
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- Part IV Mechanism of Action of β-Amylase on Amylose An Evidence for the Multi-Chain Mechanism by Amperometric Titration with Iodine
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説明
The action pattern of β-amylase on amylose was studied by the amperometric titration with iodine. Partially hydrolyzed amylose with the degree of polymerization about 150 was hydrolyzed by crystalline sweet potato βamylase at 35°C and pH 4.8. Aliquots of the reaction mixture were taken at various time intervals during β-amylolysis, and subjected to amperometric titration. Amperograms showed that electric currents at the horizontal segments in titration curves were increased as the substrate was hydrolyzed by the enzyme. Results indicated that the β-amylase is operating by a multi-chain mechanism.
収録刊行物
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- Agricultural and Biological Chemistry
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Agricultural and Biological Chemistry 29 (7), 616-620, 1965
公益社団法人 日本農芸化学会
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詳細情報 詳細情報について
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- CRID
- 1390001206469068032
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- NII論文ID
- 130003415212
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- ISSN
- 18811280
- 00021369
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- Crossref
- CiNii Articles
- OpenAIRE
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- 抄録ライセンスフラグ
- 使用不可