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

John Specchio, E. KARMAS, H. DAUN, S. PAIK, S. G. GILBERT

Research output: Contribution to journalArticle

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.

Original languageEnglish
Pages (from-to)1212-1215
Number of pages4
JournalJournal of Food Science
Volume53
Issue number4
DOIs
StatePublished - 1 Jan 1988

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Thermodynamics
Carbon Dioxide
thermodynamics
collagen
Collagen
carbon dioxide
Water
water
partition coefficients
energy
Entropy
enthalpy
entropy
chromatography
Gases
gases

Cite this

Specchio, John ; KARMAS, E. ; DAUN, H. ; PAIK, S. ; GILBERT, S. G. / Effect of Carbon Dioxide on the Thermodynamic State of Water in Collagen. In: Journal of Food Science. 1988 ; Vol. 53, No. 4. pp. 1212-1215.
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Effect of Carbon Dioxide on the Thermodynamic State of Water in Collagen. / Specchio, John; KARMAS, E.; DAUN, H.; PAIK, S.; GILBERT, S. G.

In: Journal of Food Science, Vol. 53, No. 4, 01.01.1988, p. 1212-1215.

Research output: Contribution to journalArticle

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

AU - Specchio, John

AU - KARMAS, E.

AU - DAUN, H.

AU - PAIK, S.

AU - GILBERT, S. G.

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