Effect of Carbon Dioxide on the Thermodynamic State of Water in Collagen

J. J. SPECCHIO; E. KARMAS; H. DAUN; S. PAIK; S. G. GILBERT

doi:10.1111/j.1365-2621.1988.tb13564.x

Effect of Carbon Dioxide on the Thermodynamic State of Water in Collagen

J. J. SPECCHIO, E. KARMAS, H. DAUN, S. PAIK, S. G. GILBERT

Nutrition and Food Studies

Research output: Contribution to journal › Article › peer-review

Abstract

Thermodynamic activities of polar sites of collagen in the presence of CO₂ were observed by inverse gas chromatographic techniques using water as a probe. The interactions between collagen and the water probe were evaluated by determining the specific retention volume (Vg°) and partition coefficient (Kp) at 25°C, 3°C, and 35°C. Thermodynamic parameters were determined from these data. CO₂ exhibited a significant effect on the water binding of collagen as shown by increased Vg° and Kp values as compared to N₂‐ and He‐treated collagen. The thermodynamic parameters of partial molar Gibb's free energy (Δ_T°), partial molar enthalpy (Δ_T°) and partial molar entropy (Δ_T°) indicated CO₂ significantly increased the average energy of water binding by collagen.

Original language	English
Pages (from-to)	1212-1215
Number of pages	4
Journal	Journal of Food Science
Volume	53
Issue number	4
DOIs	https://doi.org/10.1111/j.1365-2621.1988.tb13564.x
State	Published - Jul 1988

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title = "Effect of Carbon Dioxide on the Thermodynamic State of Water in Collagen",

abstract = "Thermodynamic activities of polar sites of collagen in the presence of CO2 were observed by inverse gas chromatographic techniques using water as a probe. The interactions between collagen and the water probe were evaluated by determining the specific retention volume (Vg°) and partition coefficient (Kp) at 25°C, 3°C, and 35°C. Thermodynamic parameters were determined from these data. CO2 exhibited a significant effect on the water binding of collagen as shown by increased Vg° and Kp values as compared to N2‐ and He‐treated collagen. The thermodynamic parameters of partial molar Gibb's free energy (ΔT°), partial molar enthalpy (ΔT°) and partial molar entropy (ΔT°) indicated CO2 significantly increased the average energy of water binding by collagen.",

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T1 - Effect of Carbon Dioxide on the Thermodynamic State of Water in Collagen

AU - SPECCHIO, J. J.

AU - KARMAS, E.

AU - DAUN, H.

AU - PAIK, S.

AU - GILBERT, S. G.

PY - 1988/7

Y1 - 1988/7

N2 - Thermodynamic activities of polar sites of collagen in the presence of CO2 were observed by inverse gas chromatographic techniques using water as a probe. The interactions between collagen and the water probe were evaluated by determining the specific retention volume (Vg°) and partition coefficient (Kp) at 25°C, 3°C, and 35°C. Thermodynamic parameters were determined from these data. CO2 exhibited a significant effect on the water binding of collagen as shown by increased Vg° and Kp values as compared to N2‐ and He‐treated collagen. The thermodynamic parameters of partial molar Gibb's free energy (ΔT°), partial molar enthalpy (ΔT°) and partial molar entropy (ΔT°) indicated CO2 significantly increased the average energy of water binding by collagen.

AB - Thermodynamic activities of polar sites of collagen in the presence of CO2 were observed by inverse gas chromatographic techniques using water as a probe. The interactions between collagen and the water probe were evaluated by determining the specific retention volume (Vg°) and partition coefficient (Kp) at 25°C, 3°C, and 35°C. Thermodynamic parameters were determined from these data. CO2 exhibited a significant effect on the water binding of collagen as shown by increased Vg° and Kp values as compared to N2‐ and He‐treated collagen. The thermodynamic parameters of partial molar Gibb's free energy (ΔT°), partial molar enthalpy (ΔT°) and partial molar entropy (ΔT°) indicated CO2 significantly increased the average energy of water binding by collagen.

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DO - 10.1111/j.1365-2621.1988.tb13564.x

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Effect of Carbon Dioxide on the Thermodynamic State of Water in Collagen

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