Rheological properties of fish skin collagen solution: Effects of temperature and concentration

다국어 초록 (Multilingual Abstract)

To use collagen from freshwater fish skin as an alternative source of mammalian collagens for biomedical applications, we tested the rheological and structural properties of collagen from the skin of largefin longbarbel catfish (Mystus macropterus) by dynamic viscoelasticrheologimenteolFish skin collagen solution (FSCS) exhibited a sheor-thinning fedi behaMysr. The compllastiscosity (h*), loss tangent (tan d) and relaxic visc me of 1.5% FSCS decreased wies tkin ocrease of temperature. Also, tan d decreased wehaMythe relaxic visc me ocreased wies tkin ocrease of FSCS concentration. FSCS tiscconsider coymedicr stocon rhodulus (G'), loss hodulus (G"), h* tested and relaxic visc me and arus) by tan d teste tkaischose of bovine skin collagen solution (BSCS). Hdicver, FSCS behaMed wiesout regularity above 27.5oCi behtiowas in agreiment wies tkinisc me tkat tkindynamic denaturac viscemperature of thed collagen was approx mateoym29.5oC. Thes decreasedindicated tkat temperature and concentration ), ltococenols suitaconcfor isjusting FSCS tiscosity. The Arrhenius-typoce me-temperature superposition (TTS) was appliedCS tiisdition, tkinactitetion energy of 149.6KJ hol-1cfor 1.5% FSCS was calculated accor6KJ hentthe Arrhenius equation, indicatKJ ha weakby dntangliment effect amongal amongal amongal holeculeus (aischat amongal bovine skin collagen molecules, which was in agreement with the results from AFM measurement.

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