scholarly journals Fortification of cassava starch with coconut residue: effects on flours’ functional properties and products’ (Tapioca meals) nutritional and sensory qualities

2022 ◽  
Author(s):  
Olalekan Adebowale ◽  
Oluwasegun Ajibode

Consumers are show interest in plant-based by-products due to their potential health-promoting properties. Coconut residue is food waste from coconut milk that is potentially rich in bioactive compounds, protein and dietary fibre. The effects of substituting cassava starch with coconut residue on the functional properties (bulk density, water absorption and swelling indexes), proximate composition, the energy value of flour, and sensory characteristics of tapioca grit's meal were studied. Cassava starch was mixed with coconut residue powder in five formulations that had 0, 10, 20, 30, and 40% of coconut residue powder, before being made into tapioca grits. The results showed that the bulk density, water absorption and swelling indexes decreased, whilst protein increased with the increasing addition of coconut residue. The colour of tapioca meals did not have any pronounced change in colour due to added coconut residue. Sensory results showed that tapioca samples fortified with 30% coconut residue was the most preferred with ranking in terms of aroma (8.7), overall acceptability (8.7) and willingness to buy (8.6) compared to other samples. Fortifying cassava starch with food waste like coconut residue improved the protein and fibre contents, and enhanced value addition and food product (tapioca meal) sensory quality.

2020 ◽  
Vol 45 (3) ◽  
Author(s):  
K. O. Soetan ◽  
A. A. Adeola

Underutilized and neglected legumes have numerous nutritional potentials with great contributions to food security but they are usually excluded from research and development agenda. This study evaluates the nutritional and functional properties of six different underutilized and neglected legumes; Lima bean (LB) (Phaseolus lunatus) (2006-009), Bambara groundnut (BG) (Vigna subterranea) (TVSU- 1482), winged bean (WB) (Psophocarpus tetragonolobus) (Tpt-48), jack bean (JB) (Canavalia ensiformis) (Tce-4), sword bean (SB) (Canavalia gladiata) (Tcg-4) and African yam bean (AYB) (Sphenostylis stenocarpa) (TSS-95) from the Genetic Resources Unit (GRU), International Institute of Tropical Agriculture (IITA), Ibadan, Oyo State, Nigeria. Nutritional and functional properties were evaluated using proximate composition, mineral analyses and functional properties like bulk density, water absorption capacity, oil absorption capacity, emulsion capacity and dispersibility. All the procedures were carried out using standard protocols. Statistical analysis was done using descriptive statistics. Results of proximate analysis showed that crude protein ranged from18.88 0.15%(WB) to 26.60±0.14%(AYB), crude fat ranged from 1.84 0.02% (JB) to 6.39 0.03% (BG), crude fibre ranged from 3.70 ±0.00% (AYB) to 5.04 0.03% (SB), ash ranged from 3.10 ± 0.14% (AYB) to 4.66 0.02% (LB), nitrogen free extract ranged from 55.60 0.04% (SB) to 62.97 0.12% (WB), moisture content ranged from 5.75 0.48% (AYB) to 10.77 0.03% (JB), dry matter ranged from 89.23 0.03% (JB) to 94.25 ± 0.488% (AYB) and gross energy ranged from 4.39 0.003 kcal/g (SB) to 4.66 0.00 (BG). Mineral content results revealed that calcium varied from 0.14 0.000% (LB) to 0.23 0.0003% (AYB), phosphorus varied from 0.20 0.0001% (AYB) to 0.38 0.00% (BG), sodium varied from 0.12 0.00% (LB and WB) to 0.35 0.0006% (AYB), potassium varied from 0.69 0.00% (LB) to 1.12 0.00% (BG), magnesium varied from 0.15 0.0002% (AYB) to 0.27 0.000% (BG) and iron varied from 44.84 0.03 (mg/g) (WB) to 80.98 0.0007(mg/g) (AYB). Results of functional properties showed that bulk density ranged from 0.45±0.04 g/mL (WB) to 0.77±0.08 g/mL (SB), water absorption capacity ranged from 168.33±0.03 g/100g (LB) to 183.62±0.01 g/100g (SB), oil absorption capacity ranged from 146.54 ±0.02 g/100g (LB) to 161.55±0.02 g/100g (JB), emulsion capacity ranged from 79.67 ±0.02 g/100g (LB) to 89.46±0.02 g/100g (SB) and dispersibility ranged from81.0±1.41%(SB) to 86.5±0.71% (BG). The study concluded that all the underutilized legumes have varying nutritional and functional properties, which should be exploited for nutritional benefits and industrial applications, as a solution to the problem of food shortage, especially in the developing countries.


Author(s):  
Emmanuel K. Asare ◽  
Samuel Sefa-Dedeh ◽  
Emmanuel Ohene Afoakwa ◽  
Esther Sakyi-Dawson ◽  
Agnes S. Budu

Central composite rotatable design for k = 3 was used to study the combined effect of feed moisture (12-44%), cowpea concentration (0-20%) and groundnut concentration (0-10%) on the physical and functional properties of extruded sorghum-legume blends in a single screw extruder using response surface methodology. Product expansion ratio, bulk density, total colour change, water absorption capacities at 27°C and 90°C and swelling capacities were determined on the products using standard analytical methods. Expansion ratio, bulk density and total colour of extrudates from the sorghum-legume blends decreased with increasing feed moisture. Increasing the concentration of legumes in the product increased the water absorption capacities at 27°C and 70°C and increased swelling capacities due to the gel forming ability of the macromolecules (proteins and starch) in the products and availability of hydrophilic groups to bind water molecules, thus enhancing the functional properties of the blends. Models developed for the indices gave R2-values ranging from 61.6% (for water absorption capacity at 27°C) to 89.9% (for bulk density) with insignificant lack of fits indicating the adequacy of the model in explaining the data. The optimal conditions noted for producing the puffed extruded snack products with better physical properties and functional characteristics from sorghum-groundnut-cowpea blends were at 16-18% feed moisture, 14-16% cowpea and 6-8% groundnut additions.


Author(s):  
Nikhil D. Solanke Pradeep P. Thorat ◽  
Jayashri Ughade

The purpose of this study is to determine the quality of chickpea and black gram flour used in preparation of traditional products. As the study of physical properties of flour, both chickpea as well as black gram flour shows higher in bulk density. Water absorption index show lower level of both chickpea as well as black gram flour and water solubility index shows both chickpea as well as black gram flour in between bulk density and water absorption index. While the functional properties of flour, water absorption capacity lower for chickpea flour but higher oil absorption capacity. Higher the water absorption capacity for black gram flour and lower the oil absorption capacity for black gram. This concluded that bulk density for both chickpea flour and black gram is highest while oil absorption capacity is lower in both chickpea flour and black gram flours.


2020 ◽  
Vol 18 (1) ◽  
pp. 88-102
Author(s):  
A. T. OMIDIRAN ◽  
O. A. ADERIBIGBE ◽  
O. P. SOBUKOLA ◽  
O. O. AKINBULE

This study evaluated some quality attributes of pancakes from peeled and unpeeled sweetpotato flours and cassava starch. Cassava starch was substituted up to 30% of the total composite flour. The proximate composition, colour, carotenoid and functional properties of the different flour blends were determined. The flour blends were processed into pancakes and the proximate composition and sensory acceptability of the pancakes were determined. Data obtained were subjected to analysis of variance. The result showed that they were significant differences (p<0.05) in the functional properties of the flour blends. Bulk density, Water absorption capacity, Oil absorption capacity, swelling capacity ranged from 0.70 to 0.78 g/ml, 1.87 to 2.30 g/ml, 1.02 to 1.40 g/ml and 5.18% to 6.66%  respectively. There were significant differences (p<0.05) in the proximate composition of the pancake samples. The values ranged from 42.76 to 45.53%, 2.13 to 3.98%, 9.06 to 10.34%, 5.01 to 7.18%, 3.75 to 6.01% and 29.19 to 35.33% for moisture, ash, fat, protein, crude fibre and carbohydrate contents, respectively. Pancake produced from 100:0 peeled and unpeeled sweetpotato flour had the highest score for overall acceptability which can compare favorably, with pancakes from wheat flour which is the control sample. In conclusion, sweetpotato flour blended with cassava starch at different ratio gave good proximate and functional properties which resulted in pancakes of good quality attributes.    


2021 ◽  
Vol 5 (Supplement_2) ◽  
pp. 607-607
Author(s):  
Solange Saxby ◽  
Chin Lee ◽  
Yong Li

Abstract Objectives Taro (Colocasia esculenta) is a starchy root crop and a major food source for individuals across Pacific Islands, Asia, and Africa. As a gluten free, hypoallergenic crop with high digestibility, taro may serve as a dietary carbohydrate alternative for food production that adds nutrient value and potential health implications. Thus, this study aimed to explore the nutritional, physicochemical and functional properties of different taro varieties grown in Hawaii. Methods Five varieties of taro (Bun-long, Mana Ulu, Moi, Kauai Lehua, and Tahitian) grown in Hawaii were harvested and processed immediately. The nutritional, physicochemical, and functional properties were analyzed and compared. Results Among the five taro varieties, Moi had the highest concentrations of potassium, copper, and manganese at 1.75 g/100 g, 0.97 mg/100 g, and 12.46 mg/100 g, respectively. Tahitian exhibited the highest concentrations of iron and zinc at 7.74 mg/100 g and 13.68 mg/100 g, respectively. Tahitian, Bun-long, and Moi showed high total starch content of 40.8 g/100g,   38.9 g/100g,   and 34.1 g/100g,   respectively. Tahitian exhibited the highest water absorption capacity (WAC), oil absorption capacity (OAC), and water solubility index (WSI) at 3.48 g/g, 3.15 g/g, and 33.30 g/100g,   respectively. Total starch content of taro was significantly correlated with its WAC, OAC, emulsifying activity, water absorption index, and WSI. Conclusions These results indicate that the taro varieties can be utilized as a carbohydrate alternative for different food processing requirements based on their physicochemical and functional properties to improve nutritional value, food quality and human health. Funding Sources USDA-NIFA Hatch, USDA-ARS.


2018 ◽  
Vol 11 (1) ◽  
pp. 145-160
Author(s):  
O. Fadairo ◽  
G. Diósi ◽  
I. Mironescu ◽  
E. Máthé

Abstract Variants of kokoro snack samples were produced by fortification of maize flour-Fibersol 2-whey protein blends at 1% each with functional ingredients (ginger, fenugreek, turmeric, spirulina, red paprika) and a final blend containing all the functional ingredients at 1% level each. The resultant kokoro snack samples produced were evaluated for proximate composition and sensory qualities. The results of proximate analysis showed a significant (P < 0.05) difference in moisture, protein, ash content, crude fat, crude fibre, carbohydrate content, and energy values in all the blends of the kokoro snack sample and ranged from 51.20% to 36.80%, from 4.46% to 3.85%, from 1.15% to 0.98%, from 0.13% to 0.00%, from 4.93% to 3.94%, from 53.57% to 39.2, and from 232.30 kcal/100 g to 172.99 kcal/100 g respectively. There was also a significant (P < 0.05) difference in the sensory attributes of all kokoro samples in terms of appearance, aroma, taste, texture, and overall acceptability. The kokoro snack blend R 97:1:1:1 (Maize: Fibersol 2: Whey protein: Red paprika) was most preferred by the panellists, having the highest mean sensory score of 8.97. The results of the evaluation of the kokoro snack samples showed that an acceptable fortified bakery product based on kokoro can be produced by the addition of maize flour-Fibersol 2-whey protein blends to red paprika and ginger at 1% level of fortification. This will further encourage the cultivation and utilization of these spices in food formulation and hence provide health-promoting benefits to target consumers.


2020 ◽  
Vol 12 (1) ◽  
pp. 77-83 ◽  
Author(s):  
Muhammad Elsayed Elsorady

Flaxseed protein isolate (FPI) and sesame protein isolate (SPI) were extracted from flaxseed and sesame cake as by-products, and their functional properties (water holding and fat absorption capacities, bulk density, least gelling concentration, solubility, and emulsifying properties) were determined. Bulk density of the SPI (0.162 g/ml) was lower than that of the FPI (0.175 g/ml). The water absorption capacity of the FPI (305.66%) was higher than that of the SPI (288.93%). The oil absorption capacity and least gelling capacity of the FPI and SPI were 127.48, 3.6, 134.39, and 5%, respectively. The least solubility occurred at pH 4.0 and it was 24.54, 9.56% for FPI and SPI, respectively. Levels of pH and salt concentrations were used as dependent variables for the characterization of emulsifying capacity, activity, and emulsion stability, as well as foaming capacity and foam stability. The addition of NaCl at concentrations up to 1.0 M improved these characteristics. The SPI and FPI had a minimum emulsion capacity (74.54 and 100.20 ml oil/g protein, respectively) and a minimum foam capacity (14.25 and 17.35 %, respectively) at pH 4. The FPI and SPI were found to be highly soluble at acidic and alkaline pH and their emulsifying and foaming properties were high. Moreover, their bulk density, water absorption, and fat absorption capacities and least gelling capacity properties were good. Therefore, the FPI and SPI can be used in food formulation systems.


2017 ◽  
Vol 1 ◽  
pp. 110
Author(s):  
Azubuike Chris Umezuruike ◽  
Titus U. Nwabueze

This study used Response Surface Methodology was used to roast, identify and characterize the optimum values of functional properties of African breadfruit (Treculia africana) seed flour processed for industrial applications. The central Composition Rotable Design of treatment variables at 3 process variables (Roasting temperature RT, Roasting Time RM, and feed quantity FQ) and 5 process levels (-1.682, -1, 0, 1, 1.682) was used to optimize bulk density water and oil absorption capacities, gelation and emulsion capacity of the produced flour. Functional properties of the flour increased above the value of control and relative to process treatment. The effect of roasting temperature was significant (p < 0.05) for bulk density, gelation and emulsion capacity. Roasting time and feed quantity significantly (p˂0.05) influenced water absorption and emulsion capacities of the flour. Optimum values were bulk density 0/79 g/cm3, water absorption capacity 4.00ml/g, oil absorption capacities 2.90m/g, gelation 8.92 w/v. The unified optimum values of the functional properties occurred at process treatment combination of 126.360C, 45.85min and 505.09g, respectively for temperature, time and quantity. Processing African breadfruit seeds into flour at the optimal point will enhance its usefulness in industrial applications were functional properties of flour are of processing important.


2018 ◽  
Vol 6 (5) ◽  
pp. 157-166
Author(s):  
Peter Anyigor Okorie

The functional properties, proximate composition and phytochemical characteristics of a local Nigerian white melon seed flour was determine in this study. Foaming capacity, emulsion capacity, oil absorption, water absorption, and bulk density tests were conducted. The moisture, protein, fat, fibre, ash, carbohydrate, flavonoid, saponin, carotenoid and alkaloid contents of the flour were determined. The results show that the functional properties of the flour are: foaming capacity 0.03 %, emulsion capacity 60.50 %, oil absorption capacity 34.10 %, water absorption capacity 18.60 % and bulk density 1.62 g/ml. The proximate composition of the flour are: carbohydrate 58.43 %, protein 32.55 %, moisture 1.70 %, fat 29.00 %, crude fibre 6.15 % and ash 0.85 %. The flour has the following phytochemical composition: flavonoid 3.13 %, saponin 4.88 %, carotenoid 1.80 % and alkaloid 5.90 %. The analysis revealed that the flour could be used in soup making and infant food formulation. It could also be useful for prevention and cure of heart related diseases.


2021 ◽  
pp. 60-71
Author(s):  
Assiéné Agamou Julien Armel ◽  
Fombang Nig Edith ◽  
Mbofung Carl Moses

Objective: This study aims to determine the influence of the contents of compounds and particle size on the functional properties of leaves powders of M. oleifera. Methodology: The leaves were collected from three farms in the localities of Mbouda and Maroua and processed in powders. The proximate composition, some functional properties such as particle size, true Water Absorption Capacity (WACt), apparent Water Absorption Capacity (WACa), Water Solubility Index (WSI), Oil Holding Capacity (OHC), and Bulk density were determined. Results: The mean contents of young and mature leaves powders are 24.96 ± 0.29 and 23.13 ± 0.50 g/100 DM in total proteins; 34.26 ± 0.52 and 29.11 ± 1.44 g/100g DM in available carbohydrate, 8.34 ± 0.64 and 8.34 ± 0.68 g/100g DM in total lipids, 8.75 ± 0.74 and 9.08 ± 0.48 g/100g DM in total ash, 21.13 ± 1.34 and 27.14 ± 1.04 g/100g DM in total fibers, respectively. The particle size of powders is majority large. The fiber's contents significantly affect the increase of rehydration properties and the OHC, while the large particle size, the density. Values of WACt and WACa are 27.02 ± 0.20 and 32.88 ± 1.24 % in young leaves and 28.98 ± 0.15 and 35.88 ± 1.02 % in mature leaves, respectively. The WSI and OHC are 3.02 ± 0.06 and 257 ± 1% in young leaves and 3.5 ± 0.04 and 261 ± 2 % in mature leaves, respectively. The Bulk density is 0.42 ± 0.01 g/ml in young leaves and 0.39 ± 0.01 in mature leaves. Conclusion: Functional properties of M. oleifera leave powders do not always depend on the contents of compounds and particle size distribution.


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