![]() ![]() Thus, primary and secondary lipid oxidation products mainly occurred within the first 12 h. Thiobarbituric acid reactive substances (TBARS) of OLA were increased sharply up to 12 h, regardless of reaction temperatures. Consequently, the PV decreased until the end of the reaction (24 h). When OLA was prepared at 60 and 80☌ for various oxidation times (0–24 h), the peroxide value (PV) increased continuously up to 9 and 12 h when reaction was performed at 80 and 60☌, respectively. In this study, fish skin gelatin modified with oxidized linoleic acid (OLA) prepared under various conditions using different molar ratios of OLA/free amino group content was characterized. To overcome this drawback, the molecular attachment of hydrophobic domains can effectively improve the hydrophobicity of fish gelatin. ![]() This can limit its usage as packaging material. ![]() Low hydrophobicity of fish gelatin results in poor water vapor barrier and water resistance of gelatin films. Fish gelatin possesses hydrophilicity in nature since it contains a few hydrophobic amino acids and a large portion of hydrophilic amino acids. ![]()
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