Consequences of COVID 19 measures on food systems: The case of Senegal and Uganda
June 2022
The Covid 19 pandemic has not yet yielded enough documentations on food security in Africa. This article aims to take stock of the situation of food systems, based on information relayed by international institutions and official authorities in two countries in sub-Saharan Africa: Senegal and Uganda. The information from articles and reports of international organizations made it possible to draw up a nuanced...
Identification of traditional weaning foods and their processing methods in the Northeast District of Botswana
July 2021
Weaning is an important milestone in a baby’s life and weaning practices are strongly associated with culture of a society. The use of traditional foods is important since they contain vital nutrients and essential vitamins important for the proper maintenance of human health, especially for children who are often vulnerable to malnutrition and diseases. The focus of this study was to identify traditional weaning...
Prevalence and impacts of fall army worms (Spodoptera frugiperda) on maize (Zea mays) production and productivity in Ethiopia
July 2021
Maize is a key determinant of food security, mainly grown as subsistence in Ethiopia. It was introduced to Ethiopia in 1600’s from Mexico. Food security of Ethiopia is threatened from time to time due to crop diseases and pests. One of these is fall armyworms (Spodoptera frugiperda, J.E Smith; lepdoptera, Noctudea), which is a recently arrived American origin insect pest. As best contributor of Ethiopian economy...
Homestead vegetable gardening as a source of calorie supplement at Ishurdi Upazila, Bangladesh
February 2021
The present study was conducted at Ishurdi Upazila under Pabna district, Bangladesh during 2018 to investigate the homestead vegetable production and its impact on calorie supplement as rural farm family nutrition. A total of 90 farm household heads were randomly selected as respondent for the present study from randomly selected three villages of the Upazila. Data were collected through pre-tested interview schedule....
Local perception, effect and coping mechanism of food aid and determinants of dependency syndrome: The case of Raya Azebo Woreda, Southern Tigray, Ethiopia
February 2021
The aim of this work is to analyze the effect of local level perceptions, socio-economic effects and coping mechanisms of food aid and determinants of dependency syndrome of HHs in Raya Azebo Woreda. Questionnaires, interviews, and FGD data collection tools were employed. To identify determinant factors of dependency syndrome, a probit model has been employed. The probit regression result showed that four out of eleven...
Occurrence of aflatoxin in the kernels of Irvingia gabonensis (Aubry – Lecomte ex O’ Rorke) Baill sold in parts of Nigeria
October 2020
A food safety surveillance study was conducted on the kernels of Irvingia gabonensis sold in the six geopolitical zones of Nigeria. The aim was to ascertain the biosafety of the staple soup thickener. The study was conducted for three years between the months of June and October 2016 and 2018. It screened for the presence of aflatoxin and the associated mycoflora, using standard laboratory methods. The result showed the...
Analysis of cassava production and processing by various groups in support of cassava value chain in the south west of Nigeria
January 2020
The study aimed to analyse cassava production and processing in the 5 highest cassava producing states in the south west of Nigeria. A multistage sampling procedure was used to select 136 smallholder farmers producing cassava in the study area. Primary data were collected using a structured questionnaire and an interview schedule while the data were analysed using descriptive and inferential statistics. Findings...
Analysis of fish market chain for Lake Zeway, Central Ethiopia
January 2020
Although fish is economically and socially important, its marketing chain and their characteristics have not yet been studied and analyzed for Lake Zeway, Central Ethiopia, where great potential of fish production exists. The study was initiated to investigate the fish marketing chain in this area. This was done by identifying the marketing channels of fish and the major factors influencing its market supply. Data were...
Value chain analysis of potato: The Case of South Achefer and Jabi Tehinan districts of West Gojam Zone, Ethiopia
December 2018
The study was conducted in South Achefer and Jabi Tehinan districts for mapping, identifying actors and analyzing constraints and opportunities of potato value chain. Simple random sampling technique was used to select producers (100), traders (70), and end consumers (40). Quantitative and qualitative data were collected from primary and secondary sources. Hence, qualitative and quantitative data were analyzed through...
Influence of seed size on the germination of four cowpea (Vigna unguiculata (L) Walp) varieties
June 2018
A study was conducted to investigate how seed size affects germination and vigor of cowpea seeds. Four cowpea varieties, (Asontem, Nhyira, Soronko and Tona), were obtained from Crops Research Institute of the Centre for Scientific and Industrial Research (CSIR-CRI). The seeds were grouped in two sizes (large and small), by manually sorting by length, width and thousand seeds weight. Laboratory experiments were carried...
Fungi associated with black rot disease of pineapple (Ananas comosus L.) fruits and the effects of the disease on nutritional value of the fruits
March 2018
Pineapple (Ananas comosus L.) is one of the most important crops grown in Africa. The fruit is consumed fresh by many people and hence, source of essential mineral elements, nutrients and vitamins. This study was conducted to investigate the fungi associated with black rot disease of pineapple fruits and the effect of the disease on nutritional value of the fruits. The fungi isolated from black rot pineapple fruits got...
Effect of red beetroot (Beta vulgaris L.) intake on the level of some hematological tests in a group of female volunteers
February 2018
The plant kingdom constitutes a source of new chemical compounds which may be important owing to their potential use in medicine and other applications. This study discussed the effect of taking 8 g of beetroot (Beta vulgaris L.) for 20 days on the blood samples of female volunteers where the hemoglobin levels before and after the study was recorded. The results showed mild increase in hemoglobin readings, decrease in...
Striga infestation and its interaction to density of sorghum, basic chemical and physical properties of the soil across Tigray Region, Northern Ethiopia
January 2018
In Ethiopia, sorghum is the major crop next to teff grown all over the country. Though the productivity of sorghum has increased in the last few years, the overall national productivity of sorghum is low (2.106 t/ha) compared to the average production of 2.3 t/ha of developed countries. The low productivity of sorghum is attributed mainly to infestation by Striga. The annual yield loss and geographic distribution of...
Evaluation of solar dryers on drying and sensory properties of salted Tilapia filets, Tigray, Northern Ethiopia
November 2017
Solar dryers are used to preserve very perishable foods like fish for long period of time by lowering the moisture content in high temperature areas and contribute to fish postharvest loss reduction. Therefore this study was conducted to evaluate dryers on moisture loss, moisture contents, drying and sensory properties of salted tilapia fillets. The experiment consisted of a factorial design, two factors with two levels...
Influence of harvesting and postharvest processing methods on the quality of Arabica coffee (Coffea arabica L.) in Eastern Ethiopia
January 2017
Eastern Ethiopia is among the regions naturally known for producing the best quality Hararghe specialty coffee. However, due to poor pre-and post-harvest handling practices, the quality of its coffee is below level of its inherent quality characteristics. Therefore, this study was conducted to evaluate different harvesting and postharvest handling methods on the inherent quality of Hararghe coffee. The experiment was...
Effect of boiling, pressure cooking and germination on the nutritional and antinutrients content of cowpea (Vigna unguiculata)
October 2016
The study was conducted to investigate the effect of boiling, pressure cooking and germination on the proximate, nutrients, amino acids and anti-nutrients content of cowpea (Vigna unguiculata). The results showed that the germinated cowpeas (GMC) had the highest value of crude protein (22.89%), crude fat (3.81%) and crude fibre (2.10%) followed by raw cowpeas (RWC) and pressure cooked cowpeas (PCC) while boiled cowpeas...
Evaluation of the performance of laying hens placed on drinking water fortified with waterleaf (Talinum triangulare (Jacq.) Willd) aqueous extract
July 2015
This study was carried out to evaluate the effect of waterleaf (Talinum triangulare (Jacq.) Willd) aqueous extract on the performance of laying hens. This study was arranged in a completely randomized design with five treatments (T1, T2, T3, T4 and T5) with 0, 50, 100, 150 and 200 ml of waterleaf aqueous extract (WAE), respectively in their drinking water. Forty (40) Nera black hens at 24 weeks of age were randomly...
Yield and nutrient uptake of wheat (Triticumaestivum L) as influenced by different levels of nitrogen and foliar spray of nutrient mixture
June 2015
A field experiment was conducted to study the “Yield and nutrient uptake of wheat (Triticumaestivum L) as influenced by different levels of nitrogen and foliar spray of nutrient mixture” during rabi2007-2008 and 2008-2009 at Crop Research Farm, Department of Agronomy, Allahabad Agricultural Institute-Deemed University Allahabad- India. The results show that highest grain and straw yield and nutrient content...
Microbiological assessment of meat contact surfaces at abattoir and retail houses in Jigjiga town, Somali National Regional State of Ethiopia
April 2015
This study was conducted to determine the microbiological quality and hygienic levels of meat contact surfaces at abattoir and retail houses in Jigjiga town, Ethiopia. A total of ninety pooled swab samples were taken from abattoir floor surface, butchers’ hands, hooks and knives and cutting boards to assess the presence and load of Staphylococcus aureus, Escherichia coli O157:H7, Listeria monocytogenes, aerobic...
Effect of weed interference period on yield of transplanted tomato (Lycopersicon Esculentum M.) in Guder West Shewa-Oromia, Ethiopia
April 2015
A field experiment was conducted for two consecutive cropping seasons (2013 and 2014) to estimate effect of weed interference period on transplanted tomato (Lycopersicon esculentum M.) in Guder West Shewa, Ethiopia. The experiment consisted of 14 treatments laid out in RCBD with three replications. From the total weed species, 81.81% were broadleaved weeds whereas 9.09 and 9.1% were sedges and grass weeds, respectively....
Physical and chemical quality of raw cow's milk produced and marketed in Shashemene Town, Southern Ethiopia
March 2015
The aim of this study was to assess physical and chemical quality of raw cow’s milk produced and marketed in Shashemene town, Ethiopia. A total of 48 samples of raw cow’s milk were collected in the morning. All of the samples were collected using proportional random sampling method. The means for temperature, pH, specific gravity, titratable acidity, total solids, fat, solids-not-fat, protein, ash and...
Effect of poultry manure and NPK on yield and storability of orange-and white-fleshed sweet potato [Ipomoea batatas (L.) Lam]
February 2015
Sweet potato [Ipomoea batatas (L.) Lam] is amongst the most commonly grown root crops in Sub-Saharan Africa. Comparatively,orange-fleshed cultivars of sweet potato are richer in beta carotene, a precursor to dietary vitamin A than white-fleshed ones. In spite of their health benefits, yields have been low in Africa due to low soil fertility. Studies were therefore conducted to determine the effect of amending soils with...
Certain roles of the Food Scientist in ameliorating food insecurity in developing countries particularly Nigeria
June 2014
Food security is highly instrumental to the economic growth and sustainability of any country. Unfortunately, food insecurity has had an adverse effect on people in developing countries of the world, especially in continents of Asia and Africa, most importantly Nigeria. In the midst of food insecurity ravaging these countries, the field of Food Science and Technology has vital roles to play in ameliorating the...
Application of science and technology in rural areas (ASTRA): An Ethiopian context
June 2014
Developing countries face the challenge of improving living standards of rural people for their sustainable livelihoods. Majority of developing nations are agrarian economies characterized by low productivity operating on smallholdings with inadequate and poor infrastructure. There are several interventions for development and one such potential instrument is the “application of science and technology in rural...
Nitrate concentration of leafy vegetables: A survey of nitrite concentrations in retail fresh leafy vegetables from daily markets of different locations
September 2013
In this study, nitrate content in three leafy vegetables namely radish, palak and amaranth were studied after a survey from four different markets at different elevations namely Gangtok of Sikkim State, Kalimpong, Siliguri and Cooch Behar of West Bengal. Average nitrate content of radish leaves (1521.13 mgkg-1) was found to be maximum at Kalimpong market followed by Gangtok, Siliguri and Cooch Behar markets, whereas...
Variation in fungi toxicant sensitivity of Colletotrichum gloeosporioides isolates infecting fruit crops
September 2013
Thirty Colletotrichum gloeosporioides isolates from nine fruit hosts grown in different agro ecological zones of Maharashtra (India) expressed significant variation in their sensitivity to fungicides. All isolates expressed sensitive to highly sensitive reaction to prochloraz. Benomyl tolerance was also not detected except the isolate C. gloeosporioides (Cg) 42 from mandarin orange which was found to...
Clinical manifestation and growth performance of broiler chickens fed with T-2 toxin and co-infected with infectious bronchitis virus
February 2012
The objective of the present study was to assess the effects of T-2 mycotoxin at dose level of 2 ppm in association with infectious bronchitis virus (IBV) infection on growth performance and clinical signs of broiler chickens. A total of 128 one-week-old chicks were classified into four groups and were treated respectively with T-2 toxin alone, IBV alone, T-2 toxin and co-infected with IBV, and untreated (control) for a...
Source(s) of contamination of ‘raw’ and ‘ready-to-eat’ foods and their public health risks in Mekelle City, Ethiopia
February 2012
The study was carried out from December 2010 to June 2011 to determine the hygienic and sanitary conditions on the available cafeterias, restaurants, juice houses, supermarkets, and food handlers of Mekelle city. Using the standardized pre-tested questionnaire and observational check list, data was collected from a total of 510 catering establishments. Microbiological examination of 260 food samples indicated...
Response of vegetable crops to use of integrated nutrient management practices
January 2012
The investigation reports response of cucumber, knol khol, broccoli and radish to the use of integrated nutrient management practices at the experimental farm of the Division of Vegetable Science and Floriculture, FOA, Chatha, SKUAST-Jammu. The varieties used for study were Summer Green of cucumber, G-40 of Knol Khol, Early Green in case of Broccoli and CR-45 of Radish. Cucumber recorded highest yield of 213.85 q/ha...
Contributions of some growth characters to seed yield of sesame (Sesamum indicum L.)
January 2012
Field trials were conducted during the rainy seasons of 2005, 2006 and 2007 to study the contributions of some growth characters to the seed yield of sesame. The experiments consisted of four levels of poultry manure (0, 5.0, 10.0 and 15.0 t ha-1), three levels of nitrogen in the form of urea (0, 60 and 120 kg N ha-1) and three levels of phosphorus in the form of single super phosphate (0, 13.2 and 26.4 kg P ha-1). The...
Earthquake relief measures through promotion of improved farm implements, renewable energy gadgets and agro-processing technologies in Sikkim, India
January 2012
The North East hill region has a total geographical area of 275000 km2 of which 212000 km2 is under hills. The 0.43 million rural people are living in four districts of Sikkim. The Sikkim is badly affected due to earthquakes. There is a huge loss in the state which was estimated as $45.8 million by State government. The union government has sanctioned $208.33 million for the earthquake victims. The...
Study on renewable biogas energy production from cladodes of Opuntia ficus indica
December 2011
In this study, Cladodes, which is a plate like section of Opuntia ficus indica, were characterized for their physical properties, total solids (TS) and volatile solides (VS) and they were assessed in five combinations with or without cow dung for their suitability to biogas production in 2.8 L triplicate batch digesters. The highest total biogas yields were obtained from T5 (75% Cow dung: 25% Cladodes...
Effect of herbicide (pendimethalin) on soil microbial population
December 2011
A field study on the effect of herbicide (pendimethalin) on soil microbial community was conducted between August to September (2010) on a sandy-loamy soil located at the Federal University of Technology, Crop Science Departmental Farm Gidan-Kwano, Minna, Nigeria. Samples were collected randomly from the experimental farm before and after application of herbicide; on which cowpea was cultivated. Herbicide...
Effect of pendimenthaline on physicochemical properties of soil
November 2011
A field study on the effect of herbicide (Pendimenthaline) on physicochemical properties of soil was conducted between August to September (2010) on a sandy-loamy soil located at Federal University of Technology, Crop Science Farm Gidan-Kwano, Minna. Samples were collected randomly from the experimental farm before and after application of herbicide, on which cowpea was cultivated. Herbicide (pendimenthaline) was...
Mycoflora of smoke-dried fishes sold in Guilan Province, Iran
November 2011
Fish and fish products constitute more than 60% of the total protein intake in adults especially in the rural areas. Fish flesh is one of the best sources of protein. Smoke dried fishes (common carp_big head carp_silver carp) were randomly sampled and purchased from three different marketing sites located at main markets, Astara and Anzali cities. Fifty-five samples of related species were grouped together to make...
Application of water quality index to assess suitablity of groundwater quality for drinking purposes in Hantebet watershed, Tigray, Northern Ethiopia
September 2011
The study was conducted in Hantebet catchment area which has a total area of 24.5 km2 with the major objective of assessing suitability of groundwater quality for drinking purposes through water quality index (WQI) investigation of the different hand dug wells in the watershed. This was done by subjecting the 20 groundwater samples collected to comprehensive physico-chemical analysis using APHA standard...
Changes in the solubility and SDS-PAGE profile of whey proteins during storage at different temperatures: A kinetic study
September 2011
Whey is the soluble fraction of milk separated from the caseins during manufacture of rennet-coagulated cheese, (sweet whey) or use of acids (acid whey). Whey proteins are widely used in a variety of foods, primarily for their superior functional properties such as gelling and emulsification. Solubility is the major protein attribute affecting all functional properties. In this study, the effect of storage at different...
Mediterranean diet and different food models: Measurement and comparison of environmental costs using the ecological footprint method
September 2011
The Mediterranean diet can represent a healthy food model for the prevention of chronic degenerative diseases. When compared with the US and Czech diets using the ecological footprint method, it emerges that the Mediterranean diet entails lower costs for the environment and a larger sustainability. The present study shows that dietary choices based on the Mediterranean diet require a significantly lower use of...
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