Chemical composition and organoleptic properties of Cocoyam starch-wheat flour blend noodles
Published on: 13th November, 2017
OCLC Number/Unique Identifier: 7286352858
Noodles are strips or strands cut from a sheet of dough made from flour, water and either common salt or a mixture of alkaline salt. Noodles consumption represents about 40% of the total wheat flour which are mainly consumed by school children. The use of composite flour has been encouraged since it reduces the importation of wheat. Utilization of locally available, inexpensive materials like cocoyam that can substitute a part of wheat flour without adversely affecting the acceptability of the product will be a product development. This study therefore studied the chemical composition and organoleptic properties of instant noodles from the blend of wheat and cocoyam starch. Cocoyam starch was substituted into wheat flour at 20, 40, 60 & 80%. Analysis revealed higher carbohydrate (63.50-70.05)%, moisture (4.54-5.07)% and vitamin A (10.01-30.47) mg/100g, B1 (11.43-32.15) mg/100g but lower protein (4.56-8.79)%, phosphorus (0.34-0.52)%, calcium (1.83-0.98)%, iron (0.15-0.32) % and ash (1.19-3.20)%. The composite noodles revealed higher carbohydrate and mineral but lower protein than the commercial noodles. The sensory analysis revealed that 20% cocoyam compared favourably with the commercial noodles in terms of all the sensory attributes evaluated. This shows the possibility of producing noodles from cocoyam tubers which serves as novel food. This will further help to promote and improve utilization of cocoyam tuber.
Assessment of Complementary Feeding Practice of infants and young children aged 6-23 months in Gode Town, Somali Regional State of Ethiopia
Published on: 9th November, 2017
OCLC Number/Unique Identifier: 7286424898
Malnutrition is the largest risk factor caused by inadequate nutrition that leads to childhood morbidity and mortality, as well as inadequate growth and development. Infants are at increased risk of malnutrition by six months, when breast milk alone is no longer sufficient to meet their nutritional requirements. However the factors associated with nutritional status of infants after 6 months of age have received little attention in pastoralist communities of Ethiopia. The aim of this study was to assess the complementary foods of infants and young children (6-23 months) in Gode town of Kebele 01. The prevalences of wasting, stunting and underweight among infants and young children were 6.1%, 56.1%, 10.0% reespectively. Undernutrition is a public health problem among infants and young children in Gode town of Kebele 01. Breastfeeding was slightly positive associated with lower chances of wasting at r=0.61, p= 0.01 and underweight at r=0.331, p=0.01. While diarrheal disease was associated with higher chances of wasting and underweight. Initiation of complementary food was slightly positive association with wasting at r=0.179, p=0.05.
Effect of Pre-Treatments and Drying Methods on the Chemical Quality and Microbial Density of Wild Edible Oyster Mushroom
Published on: 31st August, 2017
OCLC Number/Unique Identifier: 7286430436
This study was carried out to evaluate the effect of pretreatments and drying methods on the chemical quality and microbial density of wild edible oyster mushroom. The mushroom samples were pretreated by steeping in 0.5% citric and sodium metabisulphite at room temperature for 10 minutes before being subjected to sun and cabinet drying until a constant weight was reached. The dried samples including the control samples (Samples not pretreated with chemicals) were evaluated for proximate, mineral composition and microbial density. The proximate analysis (protein, ash, fat, moisture and fibre) showed that untreated mushroom samples (both sun and cabinet dried) had the overall best results followed by samples pretreated with 0.5% sodium metabisulphite while samples pretreated with 0.5% citric acid had the lowest values. The mineral analysis (calcium, sodium, magnesium and potassium) of the mushroom samples followed the same trend as the proximate analysis. The microbial density of the samples showed that samples pretreated with 0.5% citric acid had the lowest count followed by samples pretreated with 0.5% sodium metabisulphite while the untreated samples had the highest microbial density. This implies that pretreatment with citric acid and sodium metabisulphite reduced the microbial density which may invariably extend the storage life of the edible oyster mushroom.
Anti-nutrient and mineral properties of Complementry Food produced from Malted Red Sorgum and Defatted Soybean Flour Blend
Published on: 31st August, 2017
OCLC Number/Unique Identifier: 7286350489
This study was aimed at producing a high nutritious food that will meet the nutritional requirements of consumers. Blends of malted red sorghum and defatted soybeans flour were processed and the resulting flours were formulated at ratios of 100:00; 95:5; 90:10 and 80:20 (malted red sorghum: defatted soybeans flour). The resulting products were subjected to antinutrients and minerals properties determination. The results obtained showed that the antinutrients decreased linearly with increase in the mineral elements. Antinutrients in the blends decreased from 2.25-1.80mg/g (oxalate); 2.45-2.16mg/g (phytate); 14.16-9.26g/100g (Alkaloids); 2.12-1.69/100g (saponin) and 0.18-0.13mg/g (Tannin). A percentage increase of 12.6% (sodium); 10.8% (calcium); 9.5% (potassium); 3.7% (magnesium) and 14.1% (Iron) was recorded as the quantity of defatted soybeans flour increased in the blends. The low levels of antinutrients in the blends produced make them safe and suitable for human consumption. Substitution of malted red sorghum with 20% defatted soybean flour showed a remarkable improvement in the mineral contents of the diets
Effect of drying methods on the physicochemical properties and Fatty Acid composition of Moringa Seeds Oil
Published on: 30th August, 2017
OCLC Number/Unique Identifier: 7286350676
Effect of drying methods (sun-drying and cabinet oven drying) on the physicochemical properties and fatty acid composition of oils extracted from moringa seeds was investigated. Oil from the seeds was extracted using solvent (hexane) after drying. Drying increased the yield from 30.30-33.11%. The oil samples were less dense than water with specific gravities of 0.9032, 0.9075 and 0.9030 respectively. A significant difference exists in the moisture contents (0.11-0.21%); smoke point (202-2250C), flash point (310-3170C) and fire point (360-3690C). Sun-drying and cabinet oven drying brought about a decrease in the acid value (1.80-1.08mgKOH/g), saponification value (174.87-105mgKOH/g), Iodine value (16.10-13.90wijs) and peroxide value (11.24-2.3-Meq/kg). The decrease is an indication of quality improvement of the oils. More unsaturated fatty acids were present in the samples between 76.61% and 81.66%. Oleic acid was predominant (44.92% raw, 45.71% sundried and 43.60% cabinet oven dried). Sun-drying and cabinet oven drying did not have much significant effect on the physical, chemical and fatty acid compositions of the oil. The results obtained from this study showed that the three oil samples are good as edible oil and for commercial purpose.
Effect of pre-treatments and drying methods on Moisture percentage of dried Tomato Slices
Published on: 14th August, 2017
OCLC Number/Unique Identifier: 7286355298
A study was undertaken the effect of pretreatments and drying methods on quality parameters of tomato slices with respect to storage using two factors as treatments i.e. 5 pre-treatment levels (P1-Peeled by hot water dip blanching, P2-Peeled by hot brine dip blanching, P3-Unpeeled by hot water blanching, P4-Unpeeled by hot brine blanching, P5-Control- No peeled and no blanched) and 2 drying methods i.e. (D1-Tray drying, D2-Sun drying) with completely randomized design of factorial concept with three repetitions at Post Graduate Laboratory of Horticulture Department, College of Agriculture, Junagadh Agricultural University, Junagadh. The quality was evaluated on the basis of physicochemical (i.e. drying time (h) and moisture content (%) at 1, 20, 40, 60 and 80th day of storage. Result of study depicts that the pretreatment P2 i.e. peeling of tomato by hot brine dip blanching followed by tray drying (D2) recorded minimum (14.50 h) drying time and the minimum changes in moisture content (4.00%-6.54%) observed in treatment P1 at 1st to 80th day of storage, respectively.
Do Fishes Hallucinate Human Folks?
Published on: 11th August, 2017
OCLC Number/Unique Identifier: 7286344215
Hallucinogenic fishes are fishes that can create hallucinations if their tissue is ingested. These incorporate certain types of fish found in a several parts of the tropics. The impacts of eating hallucinogenic fishes are rumored to be comparative in a few viewpoints to lysergic acid diethylamide (LSD) or dimethyltryptamine (DMT). The encounters may incorporate distinctive sound-related and visual hallucinations. This has offered ascend to the collective common name “dream fish” for hallucinogenic fish. Sarpa salpa, a species of sea bream, is commonly claimed to be hallucinogenic. In 2006, two men who apparently ate the fish experienced mind flights going on for a few days. It is misty whether the poisons are delivered by the fish themselves or by marine algae in their diet.
Effect of storage period on the quality characteristics of two varieties of African Mango Seed Flour at ambient temperature
Published on: 10th August, 2017
OCLC Number/Unique Identifier: 7286354684
The effects of storage of Ogbona seed flour (Irivingia gabonensis and Irivingia excelsa), at ambient condition (30±20C, 65-74% RH) for 0-4 months on some physical characteristics were investigated. The samples were subjected to storage in air tight polyethylene bags for up to four months. Samples were removed at intervals of 0, 1, 2, 3 and 4 months for analysis. The chemical: proximate constituents, free-fatty acids and peroxide values; selected functional properties: water/oil absorption capacity, foam capacity and viscosity and sensory attributes of the samples were investigated. The result shows that there was no observable change in the chemical composition, selected functional and sensory properties of the two varieties of Ogbona seed flours when stored up to two months but decreased from third to fourth month during storage at ambient temperature. Therefore, storage at ambient temperature (30±20C, 65-74% RH) could extend the shelf life of the samples for up to two months in air-tight polyethylene bags of 0.7mm thickness without losing its quality characteristics.
Changes in Serum Markers of Atherogenesis and Hematological Profile after the consumption of Quail eggs
Published on: 10th May, 2017
OCLC Number/Unique Identifier: 7286423137
Previous studies suggest that diets with more eggs than is recommended may be used as part of a healthy diet in some countries. However, whether quail egg diets could form part of such diet has not been explored. The aim of the present study is to evaluate the effect of quail egg consumption on serum markers of atherogenesis and hematological parameters in healthy volunteers. Thirty adult subjects participated in this study after ascertaining their baseline health status. They were fed 3 eggs per day and 8hourlyfor 30 days. They were evaluated for serum levels of cholesterol sub-fractions, AIP and hematological parameters at days 0, 10 and 30 after the consumption of quail eggs. At day10, serum levels of cholesterol sub-fractions (TG, HDL-C and LDL-C) were not significantly (p>0.05) different from the corresponding values at baseline. Serum levels of VLDL-C and calculated AIP significantly (p<0.05) decreased compared to the levels at baseline. At day 30, serum levels of HDL-C, TG and VLDL-C significantly (p<0.05) increased, while LDL-C and AIP significantly decreased. Also, total RBC, HB, PCV, MCV, MCH and MCHC were not significantly different from the levels at baseline. At day 30, RBC, PCV and HB significantly (p<0.05) increased compared to the levels at baseline, while MCV, MCH and MCHC were not significantly (p>0.05) different from the baseline values.
Indeed, long-term consumption of quail egg may be associated with improvement in serum markers of atherogenesis and hematological parameters due to its varied nutrient constituents and their activities.
Percentage of Positive Biopsy Cores Predicts Presence of a Dominant Lesion on MRI in Patients with Intermediate Risk Prostate Cancer
Published on: 12th October, 2018
OCLC Number/Unique Identifier: 7900048359
Background: Biopsy findings of percentage of positive biopsy cores, percentage of cancer volume, and maximum involvement of biopsy cores have been shown to have prognostic value and correlate with magnetic resonance imaging (MRI) findings of extracapsular extension and seminal vesicle invasion. The relationship of these prognostic biopsy factors to MRI findings of the presence of a dominant lesion, has not yet been investigated.
Methods: Sixty-five patients with intermediate risk prostate cancer were included in a retrospective cohort. MRI was acquired using either 1.5 Tesla (T) with endorectal coil or a 3 T MRI unit. Findings of extracapsular extension, seminal vesicle invasion, and presence and number of dominant lesions were noted. T-test and Cox regression statistical analyses were performed.
Results: Patients with one or more dominant lesions on MRI had a significantly higher mean percentage of positive biopsy cores (56.7% vs 39.8%, p=0.004), percentage of cancer volume (23.5% vs 14.5%, p=0.011) and maximum involvement of biopsy cores (62.9% vs 47.3%, p=0.027) than those without a dominant lesion on MRI. On multivariate analysis, only percentage of positive biopsy cores remained a statistically significant predictor for a dominant lesion on MRI (Hazard Ratio 1.06 [95% CI 1.01-1.12; p=0.02]), whereas prostate-specific antigen, clinical T-stage, Gleason score, percentage of cancer volume, and maximum involvement of biopsy cores were not significant predictors of a dominant lesion on MRI. Receiver-operator characteristic analysis was done and a cutoff value of >=50% was chosen for percentage of positive biopsy cores, >=15% for percentage of cancer volume, >=50% for maximum involvement of biopsy cores.
Conclusion: Percentage of positive biopsy cores was found to be a significant predictor for the presence of a dominant lesion on MRI. This finding is hypothesis-generating and should be confirmed with a prospective trial.
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