Background The study aimed at evaluating the in-vivo nutritional qualities of extruded breakfast meal produced from flour blends of malted finger millet and watermelon seed. Results The proximate compositions of the flour blends revealed that there was progressive increase in protein (12.83–15.14) %, with increase in the watermelon substitution. The protein quality evaluation of the extrudate showed that the protein efficiency ratio ranged from 0.64 to 89.75, while the biological values were between (87.82–89.75)%. The relative organs weight of rats fed with extruded breakfast meal showed that, the weights of the kidney and liver of rats fed with extruded breakfast meal were significantly lower compared with rats fed with goldenmorn. The hematological indices showed that the packed cell volume and the red blood cell counts of rats fed with the formulated diets were significantly lower compared with those fed with goldenmorn but significantly higher than rats fed with basal. Meanwhile, the values of the white blood cells count for the formulated diet shows no significant difference compared with rats fed with goldenmorn. Conclusions Evidently, the growth performance of the rats fed with the extruded breakfast meal revealed that the formulated diets promote growth status of the animals with relatively low effect on organs of experimental rat used in this study. Hence, formulated diet may serve as alternative to expensive commercial breakfast meal.
Aims: To assessing the effect of boiling and fermentation on Proximate, mineral, dietary fibre and phytochemical compositions of the raw and processed Lentinus squarrosulus mushroom. Study Design: The mushroom was cultivated, processed into boiled and fermented flour and then analysed. Place and Duration of the Study: Department of Food Science and Technology, the Federal University of Technology, Akure, Ondo State and Department of Food Technology, The Federal Polytechnic, Ado Ekiti, between February 2020 and March 2022. Methodology: Lentinus squarrosulus spawn was obtained and grown into edible mushroom. The mushroom was divided into three, two portions were processed into boiled and fermented mushroom and the third one was used as control. The three samples were analysed for proximate, mineral, dietary fibre and phytochemical compositions. Results: The proximate composition revealed that moisture content ranged between 10.78-11.66%, ash 5.58-6.11%, fat 3.93-5.10%, crude fibre 6.79-7.29%, protein 16.88-20.53%, carbohydrate 51.24-53.88% and the energy value 321.41-330.15 kcal/100 g. Fermentation helped to improve the protein content of the sample. Mineral composition revealed that the samples were significantly different (p<0.05). Fermented sample had higher value in sodium, phosphorus, magnesium and iron, boiled sample was high in calcium and selenium while raw mushroom was high in manganese and zinc. Boiled sample has the least soluble fibre but high in insoluble fibre, this may be as a result of the soluble fibre being dissolved in water during boiling, but fermentation improved the soluble fibre content. The phytochemical composition revealed that fermentation improved the saponin and cardiac glycoside, boiling improved the terpenoid and cardiac glycoside while phlobatannin was only present in a small quantity in raw sample. Conclusion: Fermentation and boiling process helped to improve some nutrients in the processed mushroom flour and they can be used as food supplements.
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