Physicochemical Characterisation and Potential Uses of Oils From the Entrails of Nile Tilapia From Different Farming Sites in Ghana

IF 2.6 3区 农林科学 Q2 FOOD SCIENCE & TECHNOLOGY Journal of Food Quality Pub Date : 2025-01-10 DOI:10.1155/jfq/4379862
Ekow Quansar, Marcel Tunkumgnen Bayor, Janet Anchirinah, Stephen Yao Gbedema, Frederick William Akuffo Owusu, Desmond Asamoah Bruce Otu, Prince George Jnr Acquah, Kawsar Adam Baninie
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Abstract

The Nile tilapia, a fish of the Teleost group, is economically valuable due to its ease of cultivation, high growth rates and resistance to environmental conditions and is increasingly used for waste conversion. The aim of this study was to evaluate the physiochemical properties and potential applications of oils derived from the entrails of Nile tilapia obtained from four different farming sites in Ghana. The tilapia fish oil (TFO) was extracted by the wet rendering method. The refractive index, fatty acid profile, colour and cholesterol content of the TFO samples (TFS1, TFS2, TFS3 and TFS4) were determined using a refractometer, GC–MS, chromameter and UV spectrophotometer, respectively. More than 65% of fatty acids present in TFS1 to TFS4 were unsaturated fatty acids (UFAs). Oleic acid and its isomer were present in the oils as follows: TFS2 (58.37%), TFS3 (57.28%), TFS1 (43.89%) and TFS4 (41.71%). The following physicochemical properties of TFS1 to TFS4 were determined: vitamin A (0.70–2.15 mg/100 g), vitamin E (0.03–0.009 mg/100 g), acid value (0.27–0.66 mg KOH/g), peroxide value (0.009–4.488 meq/kg), iodine value (77.87–74.62 mg/g), saponification value (247.93–592.27 mg KOH/g), cholesterol content (162.33–438.33 mg/100 mL) and moisture content (1.08%–3.25%). These findings indicate that TFOs have potential applications in the food and pharmaceutical industries. However, the differences in physicochemical properties must be considered during product development to ensure optimal quality and marketability of the final product.

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来源期刊
Journal of Food Quality
Journal of Food Quality 工程技术-食品科技
CiteScore
5.90
自引率
6.10%
发文量
285
审稿时长
>36 weeks
期刊介绍: Journal of Food Quality is a peer-reviewed, Open Access journal that publishes original research articles as well as review articles related to all aspects of food quality characteristics acceptable to consumers. The journal aims to provide a valuable resource for food scientists, nutritionists, food producers, the public health sector, and governmental and non-governmental agencies with an interest in food quality.
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