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Physico-chemical, sensory, and microbiological assessments of wheat-based biscuit improved with beniseed and unripe plantain.

ABSTRACT: The consumption of cereal foods such as biscuit has become very popular globally. Partial replacement of wheat flour with beniseed and unripe plantain flours rich in protein, vitamins, and minerals will increase nutrient, diversify utilization of beniseed and unripe plantain, and increase biscuit variety. Wheat composite biscuit was produced from wheat, beniseed, and unripe plantain flours. The composite flour was mixed in the proportion of 100:0:0, 80:10:10, 70:20:10, 60:30:10, and 50:40:10% of wheat, beniseed, and unripe plantain, respectively. The physical, sensory, chemical, and microbial properties of the biscuits were determined. The physical properties ranged from 6.80 g to 8.30 g for weight, spread ratio 6.93-7.38, and break strength 500-690 g. There was no significant difference (P < 0.05) in taste, crispness, flavor and texture of the biscuits while significant differences (P < 0.05) existed in color and overall acceptability. The proximate composition of the biscuits ranged from 1.84% to 2.55% for moisture, protein 8.03-9.26%, fat 30.07-35.81%, ash 2.94-3.68%, crude fiber 0.47-0.80%, carbohydrate 48.74-55.96%, and energy 526.53-554.21 kcal/100 g. The microbial count of the best biscuit after 20 days of storage was 4.0 × 10(3) cfu/g for bacteria and mould contained 5.0 × 10(4) cfu/g. This study forms a basis for new product development for the biscuit food industry.

SUBMITTER: Agu HO

PROVIDER: S-EPMC4237476 | biostudies-literature | 2014 Sep

REPOSITORIES: biostudies-literature

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Physico-chemical, sensory, and microbiological assessments of wheat-based biscuit improved with beniseed and unripe plantain.

Agu Helen Obioma HO Okoli Ndidiamaka Azuka NA

Food science & nutrition 20140623 5

The consumption of cereal foods such as biscuit has become very popular globally. Partial replacement of wheat flour with beniseed and unripe plantain flours rich in protein, vitamins, and minerals will increase nutrient, diversify utilization of beniseed and unripe plantain, and increase biscuit variety. Wheat composite biscuit was produced from wheat, beniseed, and unripe plantain flours. The composite flour was mixed in the proportion of 100:0:0, 80:10:10, 70:20:10, 60:30:10, and 50:40:10% of ...[more]

PMID: 25473504

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Project description:Biscuits are popular ready to eat, cheap and convenient food products that are consumed globally. Supplementation of wheat flour with inexpensive staples from other cereals, legumes, roots and tubers will help in improving the nutritional quality of wheat products. Therefore, this study investigated the sensory and physicochemical properties of biscuits produced from blends of whole wheat, soy okara and tigernut residue flours. The sensory qualities of the twelve whole wheat, soy okara and tigernut residue flour biscuits at p < 0.05 ranged from 5.36 to 7.68 (color), 5.60–7.64 (appearance), 4.48–7.96 (mouthfeel), 4.28–7.76 (aroma), 3.96–8.32 (taste), 3.64–8.20 (crunchiness), 3.56–7.56 (crispiness), and 5.08–8.36 (overall acceptability). Physical, proximate and mineral analysis were carried out on the best five biscuit samples containing 100:0:0 (MVP), 60:20.98:19.02 (ISP), 50.75:39.25:10 (JAR), 53.79:22.57:23.64 (GEN) and 56.32:27.39:16.29 (XEC) whole wheat, soy okara and tigernut residue flours respectively. The physical analysis showed that diameter (38.13–38.17 mm), height (37.73–37.76 mm) and thickness (6.10–6.17 mm) were not significantly different, but the weight (7.30–7.73 g), spread ratio (5.73–6.10 mm) and breaking strength (600–643 g) significantly (p < 0.05) differed among the biscuit samples. The proximate composition of the biscuits ranged from; ash (1.70–1.90%), moisture (4.00–5.70%), fiber (7.00–11.30%), fat (16.20–17.30%), protein (6.50–12.00%), carbohydrate (56.94–59.20%) while mineral content ranged from; magnesium (122.00–134.00 mg/100 g), sodium (16.00–28.00 mg/100 g), calcium (12.00–24.00 mg/100 g), iron (2.30–3.50 mg/100 g) and phosphorus (100.00–121.00 mg/100 g). The study showed that substitution of wheat flour with soy okara and tigernut residue flour at a ratio of 60:20.98:19.02 yielded the most acceptable biscuits in all the sensory attributes assessed. This implies that biscuits produced from this composite blend contain sufficient amounts of protein, fat, fiber and carbohydrate. Hence, they can serve as relief for malnutrition.

Dataset Information

Physico-chemical, sensory, and microbiological assessments of wheat-based biscuit improved with beniseed and unripe plantain.

Publications

Physico-chemical, sensory, and microbiological assessments of wheat-based biscuit improved with beniseed and unripe plantain.

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