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Formulative Analyses of Interactions between Seasoning and Proteins in Comporison : Comparison using Langmuir Adsorption Equation, Klotz Plot, and Scatchard Plot
Bibliographic Information
- Other Title
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- 調味料とタンパク質との相互作用における数式的解析方法の比較 : Langmuir 吸着式、Klotz プロットおよびScatchard プロットにおける比較
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Description
調味料の中で、タンパク質との相互作用が顕著にみられる酢酸を低分子物質とし、高分子物質である組織化大豆タンパク質への酢酸の結合挙動を定量測定した。そして、両者間の結合挙動の解析を、Langmuir吸着式へのベストフィット法(LB法)、Klotzプロット法(KP法)、Scatchardプロット法(SP法)の3通りの方法により行い、結合数nおよび結合定数Kを求め、それぞれの方法で得られた値を比較検討した。3通りの方法で得られた結合数nおよび結合定数Kはいずれも異なっていた。すなわち、結合定数nはLB法>SP法>KP法であったが、結合定数Kの大小の順序は結合数とは逆であった。Scatchardプロット法の算出に当たっての代入値、r/Cfreeとrとの重相関係数は3方法の中で最も低かったが、Scatchardプロット法によって最終的に得られた結合量の実測値に対するバラツキは、3方法の中で最も小さかった。
Selecting acetic acid showing marked interactions with proteins as low molecular matter out of seasonings, its binding behavior with textured soy orotein, a high molecular matter, was investigated. Then the results were analyzed according to three methods, namely, a best fit method to Langmuir adsorption equation (LB), Klotoz plot (KP), and Scatchard plot (SP), to obtain the binding number and the binding constant. Values obtained by the respective methods were studied in comparison. Numbers of binding sites (n) and equilibrium binding constants (K) were different in the three methods. It means that referring to n, it was LB>SP>KP>, whike referring to K, the order was contrary to that. As far as Scatchard plot is concerned, the multiple correlation coefficient of substituted values for calculated values for calculation, r/Cfree and r, was the least among the three methods. However the fluctuation of caluculated values to measured values of the bound weight finally obtained was the least among the three methods.
Journal
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- 山梨県立女子短期大学紀要
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山梨県立女子短期大学紀要 28 1-7, 1995-03-31
山梨県立女子短期大学
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Details 詳細情報について
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- CRID
- 1050283688374428672
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- NII Article ID
- 120006800404
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- NII Book ID
- AN00244738
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- ISSN
- 03850331
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- Text Lang
- en
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- Article Type
- departmental bulletin paper
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- Data Source
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- IRDB
- CiNii Articles