African Journal of
Food Science

  • Abbreviation: Afr. J. Food Sci.
  • Language: English
  • ISSN: 1996-0794
  • DOI: 10.5897/AJFS
  • Start Year: 2007
  • Published Articles: 846

AJFS Articles

Comparative analysis of nutritional contents in the leaf, pulp and seed of Adansonia digitata L. consumed in Adamawa State, Nigeria

September 2020

Adansonia digitata L. is a tree commonly called Baoba tree which is a native of African savannah widely distributed in arid zones of Sahara. This study was carried out to investigate the native uses and nutritional content (peoximate composition and minerals profile) of the leaf, pulp and seed of A. digitata L. (Baoba).  The methods adopted for data collection included well-structured questionnaire, field and...

Author(s): Enoch B. B. Abubakar I. M. Sakiyo D. C. and Bashiloni N.

Quality assessment of Borassus aethiopum Mart fruit pulp pectin precipitated with various solvents

September 2020

Borassus aethiopum Mart fruits are underutilized in Africa and most of them are left to rot in the field. These fruits have great potential as an alternative and commercially viable pectin source for the pectin industry. Physicochemical and rheological characteristics of B. aethiopum pectins are significantly affected by the extraction process which permits the isolation of tailored pectin of specific applications in...

Author(s): Sylvie Assoi and Louise Wicker  

Nutritional physico-chemical composition of pumpkin pulp for value addition: Case of selected cultivars grown in Uganda

September 2020

Pumpkin is one of the underutilized fruit-vegetables in Uganda although it is one of the crops believed to have carotenoids with pro-vitamin A activity that are not common to many other crops. While other crops are being bred or fortified to increase their nutritional benefits of β-carotene and other micro nutrients required for healthy growth and care for immunosuppressed people, the value of pumpkins in this...

Author(s): Immaculate Nakazibwe, Eunice Apio Olet and Grace Kagoro-Rugunda  

Modeling the growth dynamics of Lactobacillus lactis CWBI B-1410: Effect of changes in glucose and nitrogenized matter in the Man Rogosa Sharpe (MRS) culture media

August 2020

Food preservation is a big challenge for the industries. The mechanisms of preservation involved microorganisms such as lactic acid bacteria. Modeling the micro-organisms growth is a very useful information to well-understand their behavior and to propose the best conditions for food preservation. In this way, this study was to propose a mathematical model of the dynamical growth of Lactococcus lactis CWBI-B1410 which...

Author(s): Modou DIENG, Ndèye Adiara  NDIAYE, Mouhamed NDONG, Ndèye Coumba TOURE/KANE  

Performance of a fabricated solar-powered vapour compression cooler in maintaining post-harvest quality of French beans in Kenya

August 2020

The quality and shelf life of French beans can be affected within hours of harvesting if the produce is not cooled after harvest. Solar-powered cooling systems are suitable for use in rural areas that are not connected to the grid. This study aimed at developing a solar powered cooling system to improve the quality of French beans in smallholder farms in Kenya. Freshly harvested French beans were stored under...

Author(s): Ogumo, E. O., Kunyanga, C. N., Kimenju, J. and Okoth, M.  

Evaluation of the nutritional and antioxidant potentialities of Capparis corymbosa

August 2020

The study was undertaken with the objective of contributing to the search for new sources of dietary antioxidants. It aimed to assess the dietary potential, bioactive compound levels and antioxidant activities of the leaves and fruits of Capparis corymbosa, a plant food from Burkina Faso. Standard methods were used to assess the nutritional potential of leaves and fruits as well as the levels of bioactive compounds and...

Author(s): Edwige N. ROAMBA, Crépin I. DIBALA, Marcel D. BENGALY, Mamounata DIAO, Kiessoun KONATE and Mamoudou H. DICKO  

Assessment of microbial quality status of raw beef around Addis Ababa city, Ethiopia

August 2020

The aim of this study was to assess the microbial quality of raw beef of butcher shops around Addis Ababa city. A total of 60 samples (N=60) of raw beef were randomly collected from Dukem (N=20), Kara (N-20) and Burayu (N=20) and biologically tested for total aerobic mesophilic bacteria, total coliform, yeast and mold, Staphylococcus species, Bacillus species and psychrophilic bacteria count using standard procedures. A...

Author(s): Getenesh Teshome, Zerihun Assefa and Abdi Keba  

Microbiological quality and safety assessment of sun dried Rastrineobola argentea (Mukene) sold at selected landing sites of Lake Victoria and Peri Urban Kampala City Markets

July 2020

Silver fish (Rastrineobola argentea) also locally known in Uganda as Mukene contributes significantly to Ugandan national economy and its value was estimated at $13 million US dollars in 2015. The fish is traditionally dried under direct sunshine on bare ground in unhygienic conditions, which expose it to dust and microbiological contamination. In this study, the microbial load of indicator and pathogenic organisms was...

Author(s): Andrew Mwebesa Muhame, Ediriisa Mugampoza, Leakey Leonard Lubuulwa, George William Byarugaba Bazirake and Martin Mutambuka  

Psychobiotics in daily food against psychiatric disorders

July 2020

Psychobiotics are probiotics microrganisms that affect the central nervous system neurological functions of a host. The gut-brain-axis via immune-metabolic pathways balances the gastrointestinal function and improves the quality of life of hosts with psychiatric disorders. Gut microorganisms have been found to participate in the balance of various psychiatric disorders, including "Anxiety and Depression",...

Author(s): Karina Teixeira Magalhães-Guedes, Alessandra Souza Marques do Nascimento, Talita Andrade da Anunciação and Sérgio Eduardo Soares  

Effect of medium-chain triacylglycerols on reactive oxygen species in light irradiation-induced Maillard reaction with glucose-lysine systems

July 2020

The primary objective of this study was to investigate the involvement of reactive oxygen species (ROS) in the induction of Maillard reaction in the presence of medium-chain triacylglycerols (MCTs). Light irradiation was found to induce Maillard reaction in a glucose-lysine system and led to the generation of ROS. The glucose-lysine Millard reaction was clearly inhibited by the presence of MCTs. Enhancement of this...

Author(s): Toshiyuki Toyosaki and Yasuhide Sakane  

Food safety knowledge and practices of street food vendors in selected locations within Kiambu County, Kenya

July 2020

The safety of street foods remains a public health concern especially in developing countries like Kenya where foodborne illnesses associated with these foods have often been reported. This study determined the food hygiene and safety knowledge and practices of 345 street food vendors (SFVs) in selected locations within Kiambu County, Kenya. Data collection was accomplished through face-to-face interviews using...

Author(s): Johnson Mwove, Samuel Imathiu, Irene Orina and Paul Karanja

Microbial quality of artisanal yoghurt and Dèguè products collected in schools of Cotonou and Abomey-Calavi (Benin)

June 2020

The main aim of this study is to evaluate the microbiological quality of yoghurt and two types of dèguè (couscous and millet) sold in Cotonou and Abomey-Calavi. Samples of dairy products were collected in 15 schools of Abomey-Calavi and Cotonou from vendors located inside the schools. In this study, 180 samples (60 yoghurt, 60-dèguè millet and 60-dèguè couscous) were analysed....

Author(s): Majoie Géroxie TOHOYESSOU, Wassiyath MOUSSE, Haziz SINA, Farid BADE, Chédrac A. BOTON, Oswald R. AHOUISSOU, Adolphe ADJANOHOUN and Lamine BABA-MOUSSA

Assessment of Arabusta coffee hybrids [Coffea arabica L. X Tetraploid Robusta (Coffea canephora )] for green bean physical properties and cup quality

June 2020

Robusta coffee is known to be high yielding than Arabica coffee, since it is more vigorous in growth. However, it is limited by the inferior cup quality. The aim of the study was to evaluate the performance of the Arabusta hybrids and its backcross derivatives for bean physical characteristics and organoleptic properties including their interrelationship. Nineteen coffee genotypes were evaluated at Siaya ATC and...

Author(s): Jane Jerono Cheserek, Kahiu Ngugi, James Wanjohi Muthomi and Chrispine Ogutu Omondi  

Health risk assessment of Brazil nut consumption by aflatoxin biomarker in urine samples

June 2020

Aflatoxins are the main mycotoxin related to the contamination of Brazil nut and an important product extracted from the Amazon region that has a high number of consumers due to its health benefits. Considering the frequent occurrence of aflatoxins in Brazil nuts, it is necessary to study the levels of exposure to these toxins associated with its consumption using biomarkers. To do this, a study was carried out with 30...

Author(s): Ariane Kluczkovski, Augusto Kluczkovski-Junior, Samia Braga, Emerson Lima, Cibele Viana and Lawrence Xavier  

Variety and baking effects on injera making quality, polyphenols content and antioxidant activity of millet flours and injera

June 2020

Injera or Biddena commonly made from tef (Eragrostis tef (Zucc) Trotter) grain and a combination with other grains is a staple food of Ethiopian and neighboring countries. Millet and millet-based food products are rich in polyphenols and antioxidant activities. This study aimed to evaluate millet varieties for their injera making quality and polyphenol content and antioxidant activity. Five millet varieties and one...

Author(s): Fikiru Dasa and Ly Nguyen Binh

Hydrocolloids as beers foam stabilizer

June 2020

Beer foam is one of the most important parameters for consumers, affecting their purchase decision and satisfaction. Studies indicate that foam stability is positively influenced by its viscosity, and based on this fact the brewing industry uses propylene glycol alginate (PGA) as a stabilizer. However, PGA has its use restricted by Brazilian legislation to 0.07 g/L of beer. The objective of this research was to present...

Author(s): Flavio L. Schmidt, Sebastian A., Tamayo R. and Aline D. C. de Brito  

Influence of temperature and time on microbial, physicochemical and functional quality of goat milk

May 2020

Microbial load in fresh milk has a significant effect on its keeping quality and nutritional value. From Prehistoric time, human used heat process to reduce microbials load in raw milk to improve its sensory characteristics. This research is proposed to treat fresh goat milk with heating process to provide optimal pasteurization conditions that does not  influence the goat milk chemical composition to suite...

Author(s): Ibrahim Aldaw Ibrahim, Rifda Naufalin, Erminawati Wuryatmo, Hidayah Dwiyanti and Shima Esameldin Hamouda  

Effects of processing methods on fatty acid profiles and biochemical compounds of Arabica coffee cultivars

May 2020

Coffee cherries were processed traditionally by the wet method that uses large quantities of water and eco-friendly methods that utilizes less water and operate mechanically to remove mucilage. The study is aimed at determining the effects of traditional and newly developed coffee processing methods on fatty acid profiles and biochemical components of two coffee cultivars. A complete randomized design was used for the...

Author(s): Richard Kipkorir Koskei, Beatrice Mugendi and Patrick Muliro  

Sensory evaluation of four pepper soup dishes prepared with four varieties of protein sources using Itsekiri pepper soup spices

May 2020

Four types of protein sources were used in the preparation of pepper soup dishes using Itsekiri pepper soup spices were evaluated. The protein sources used for the pepper soup dishes were:  Cow-leg, goat meat, fresh fish and dry stock fish. Sensory evaluation of the four pepper soup dishes was done using 40 trained panelists based on a 5-point hedonic scale. Result on the acceptability of the soup dishes revealed...

Author(s): Keswet Larai A. and Abia Florence O.  

Effect of different processing conditions on the quality of canned sweet corn kernels produced and processed in Senegal

May 2020

In Senegal, sweet corn is produced for export market while the canned ones are imported to supply national market. This work was carried out to investigate the effect of different processing conditions such as heating temperature and sterilization time on the microbial quality, color, ascorbic acid and shelf life of canned sweet corn produced in Senegal. The hygiene level of sweet corn samples at different preliminary...

Author(s): Nafissatou DIOP NDIAYE, Adjaratou BASSE DIENG and Thomas L. THOMPSON

Fruit juices in polysaccharides edible films

April 2020

In this study, jambolan and grape juices were used to produce polysaccharide-based edible films by the solvent-casting technique. The polysaccharides used were carboxymethyl cellulose, hydroxypropyl methyl cellulose, high-methoxyl pectin, low-methoxyl pectin, sodium alginate, and locust bean gum. The films exhibited good mechanical resistance and flexibility, with tensile strength (8 to 28 Mpa), elongation at break (6...

Author(s): Hulda Noemi Mamani Chambi, Bianca Souza da Costa, Wiliene Camila de Lima, Daniel Consul Kassardjian and Flávio Luís Schmidt

Variability of nutrients in Parkia biglobosa kernels from three geographical regions in Burkina Faso

April 2020

This study aimed to determine the nutritional composition of the kernels of the African locust bean, Parkia biglobosa, collected in three populations (Louda, Nobéré and Péni) representative of different environmental conditions, from more arid in the northern population (Louda) to wetter in the most southern population (Péni). Biochemical analyses were carried out using standard methods....

Author(s): Aimée W. D. B. Guissou, Charles Parkouda, Barbara Vinceti, Esther M. A. Traoré, Aboubacar S. Dao, Céline Termote, Mattia Manica and Aly Savadogo  

Effect of the incorporation of graded levels of turmeric (Curcuma longa) on different qualities of stirred yoghurt

April 2020

There is an increasing trend in yoghurt consumption due to the health benefits from the gut bacteria present in yoghurt. However, there is need to evaluate other inexpensive nutrient sources such as spices (turmeric) which contain a lot of phytochemicals to make yoghurt more nutritious. Fresh turmeric rhizome was sorted, washed, peeled and milled. Ethanol was added to obtain turmeric extract. The turmeric extract was...

Author(s): Eze Chinazom Martina, Aremu Kehinde Oludayo, Nnamani Chidera Linda, Omeje Patience Chinasa, Omelagu Chizoba Ambrose and Okonkwo Thomas Muoneme

Isolation of Escherichia coli 0157:H7 from selected food samples sold in local markets in Nigeria

February 2020

Food borne illnesses have major social and economic impacts. Escherichia coli O157:H7 is associated with food borne illness in human beings. It has been an important food borne pathogen that causes food borne diseases such as diarrhea, hemolytic uremic syndrome and hemorrhagic colitis. This study was conducted to detect the presence of E. coli O157: H7 in different food samples sold in Nigerian local markets. A total of...

Author(s): Lennox Josiah Asime, John Godwin Egbe and Echa Cecilia  

Production technique, safety and quality of soumbala, a local food condiment sold and consumed in Burkina Faso

February 2020

Exploitation of Non-Wood Forest Products (NWFP) is after agriculture and breeding the third source of income in Burkina Faso. Soumbala, made from alkaline fermentation of Parkia biglobosa seeds, is one of the most popular indigenous foods condiments very prized by the Burkinabes. This study aimed to assess the process practices and safety measures to ensures good quality along the production chain of soumbala. A...

Author(s): Yérobessor Dabiré, Iliassou Mogmenga, Marius K. Somda, Jerry O. Ugwuanyi, Lewis I. Ezeogu, Mamoudou H. Dicko and Alfred S. Traoré  

Micronutrients, antinutrients composition and sensory properties of extruded snacks made from sorghum and charamenya flour blends

January 2020

The effect of process variables (feed composition, feed moisture, and exit barrel temperature) on the vitamins, antinutrients, and sensory profile of extruded snacks produced from sorghum and charamenya flour blends using response surface methodology were investigated in this study. Feed composition (FC, 10-30%), feed moisture content (FMC, 25-30%) and exit barrel temperature (EBT, 110-130°C) were the independent...

Author(s): Eze C. R., Okafor G. I., Omah E. C. and Azuka, C.E.  

Physicochemical characterization of epicuticular coating of apples sold in Abuja Nigeria

January 2020

Most of the apples consumed across Nigeria are imported from South Africa, Europe and United States of America. Despite the epicuticular hydrophobic wax naturally produced by the fruit which makes it resistant to external spoilage factors, extra coating is usually employed by producers for protection against biotic and abiotic attack during storage in order to extend shelf-life. Nowadays, Nigerians have raised concerns...

Author(s): Ibrahim J. A., Fatokun O. T., Abiola V., Esievo K. B., Adamu A., Samali A., Okhale S. E. and Egharevba H. O.  

Effects of diet substitution with defatted kernels of mango (Mangifera indica) and wild mango varieties (Irvingia gabonensis and Irvingia wombolu) on weight and plasma lipid profile of Wistar rats

January 2020

Effects of defatted mango (Mangifera indica) and wild mango (Irvingia gabonensis, Irvingia wombolu) kernels in substituted diets of commercial feed, on weight and plasma lipid profile were analysed using Wistar rats after 21-day feeding. Lipid profiling was conducted using enzymatic/colorimetric techniques. The substitution with each kernel type in the commercial feed was 0, 25, 50, 75 and 100%. Diet substitution of up...

Author(s): Arogba Sunday Salifu and Omada Adams Akogwu  

Influence of different traditional production processes on the antioxidant capacity and vitamin C content of baobab (Adansonia digitata) juice

January 2020

This study aims to assess the effect of traditional production processes of baobab juice on its antioxidant and vitamin C content. A survey was conducted in the North region of Cameroon and the 4 main processes identified were subsequently used to prepare juice samples at two different baobab pulp/sugar ratios per litre (42 g/62 g and 87.5 g/231 g) that were analysed. The main difference between the 4 processes reported...

Author(s): Laure MAPTOUOM, Alex TCHUENCHIEU, Brice SAHA, Quentin METSATEDEM, Ferdinand EDOUN, Romelle FEUMBA, Gabriel MEDOUA, Dieudonné NJAMEN and Elie FOKOU  

Effect of coagulants on the physicochemical properties of fresh tofu

December 2019

Soy flour from soybean was processed to produce fresh tofu using three coagulants namely lime, Epson salt and tamarind. The results obtained showed that the pH of the samples were 7.20 for Epson salt, 5.00 for lime and 5.50 for tamarind. There were significant differences (p< 0.05) in the weight increase of all the samples with Epson salt (46.62 kg) as the highest. Epson salt had the least coagulation time of 6 min....

Author(s): Ezeama, C. F. and Dobson, G. N.

Assessments of good hygienic practice in food markets of Maputo, Mozambique and development of Food Safety Index

December 2019

This study evaluated good hygienic practices (GHP) of food establishments in seven food markets in Maputo, Mozambique. A total of 191 food handlers were selected in this study. Information on   demographic characteristics and hygienic-sanitary conditions were obtained through semi structured interviews. The results revealed that the majority of food vendors in Maputo are females (92.7%) and all the selected...

Author(s): Glória Alberto Manhique, Susana de Oliveira Elias, Claudia Titze Hessel, Stefani Machado Lopes and Eduardo César Tondo  

Risk factors associated with retail meat vendors in Lubumbashi, Democratic Republic of Congo

November 2019

Food safety risk factors associated with retail meat sales in Lubumbashi, Congo D.R., was assessed in 2013. The study involved 168 meat vendors. The methods used were an interview and direct observation. Females represented 55.9%, and males represented 44% of the study respondents. Their age ranged from 18 to 40 years (92.8%). Sixty percent had obtained a primary level of education, 38% a secondary level, and only 1.1%...

Author(s): Rosette Kabwang, Mireille Kitwa, Pierrette Melin, Georges Daube, Patrick De Mol and Mukeng A. Kaut  

Effect of process treatments on the proximate composition of tigernut-soy milk blends

November 2019

The effect of pasteurisation parameters and formulation components on the nutritional composition (carbohydrate, protein, fat, ash and moisture contents) of tigernut-soy milk blend was investigated. Twenty-six different formulations (F1 – F26) were prepared from tigernut and soy milk. The process treatments employed were; pasteurisation temperature, pasteurisation duration and mixing duration which varied from 60...

Author(s): Bosede Adelola Orhevba and Oluwatobi Samuel Bankole

The nutritional values of two species of sea cucumbers (Holothuria scabra and Holothuria lessoni) from Madagascar

November 2019

Sea cucumbers are fishery products that are not used for consumption by the Malagasy people. In this study, nutritional values of two species of trepangs (air dried sea cucumber) from Madagascar Holothuria scabra and Holothuria lessoni were determined including moisture, ash, fat, protein and carbonhydrate. The results showed that H. scabra and H. lessoni had respective water contents of 13 and 14%, the dry matter...

Author(s): Valerie Lalao RAZAFINDRATOVO ANDRIAMANAMISATA and Antonio Fidinirina TELESPHORE

The tomato paste quality attributes along the industrial processing chain

October 2019

Tomato is widely consumed in the world and its concentrated paste represents the main product from industrial tomato cultivars. One of the industry's biggest challenges is to produce in a sustainable and effective chain to simultaneously fulfill the cost reduction and quality improvement demands. This study aimed to show the loss of tomato paste quality attributes along its industrial processing chain, focusing on...

Author(s): Karla Ariane Silveira Munhoz and Flávio Luís Schmidt  

Phytochemical components of beverages from African star apple (Chrysophyllum albidum) tissue fractions under ambient storage

October 2019

There is increasing awareness of functional potentials of African star apple (ASA) as an underutilized tropical fruit, yet little is known of alterations to its product properties during storage. Changes in antioxidant and antinutritional composition of beverages derived from ASA peel, pulp and seed coat fractions during 8-week storage at 26°C were investigated. Drinks derived...

Author(s): Folasade Olabimpe ADEBOYEJO, Modupeola Adelaju OGUNTOYE and Oluwatosin Eniola AWE  

Development and characterization of biodegradable films from fermented yam (Dioscorea trifida L. f.)

October 2019

The objective of this work was to develop and characterize biodegradable starch films at 14 and 21 days of fermentation, aiming to develop packaging with added value. For the extraction of starch, yam tubers were washed, crushed, filtered and fermented for 14 and 21 days, and then filtered and dehydrated. Water-starch-glycerol mixtures were prepared in a randomized design using a factorial scheme (5x2), with five...

Author(s): Ana Cecília Nina Lobato, João Batista Dias Damaceno, Jaime Paiva Lopes Aguiar, Eyde Cristianne Saraiva-Bonatto, Charline Soares dos Santos Rolim, Nilma de Souza Fernandes, Albejamere Pereira de Castro, Carlos Victor Lamarão and Francisca das Chagas do Amaral Souza  

Estimation of folate content of cultivated and uncultivated traditional green leafy vegetables in Nigeria

September 2019

The aim of the study was to quantify the folate content of eight samples (seven raw and boiled traditional leafy vegetables and one fruit vegetable). The analysis of folate in the raw and cooked vegetable samples followed the process of extraction, deconjugation using chicken pancreas deconjugase, and derivatization. Through this process, all folate forms in the deconjugated sample extracts were converted to...

Author(s): Ejoh S. I., Wireko-Manu F. D., Page D. and Renard C. M. G.  

Enhancement of nutritional quality of rice flour with mucuna beans (Mucuna pruriens)

September 2019

The effect of fermentation on the proximate and anti-nutritional properties of rice flour enriched with mucuna beans was investigated in this study. The rice-mucuna beans flour blends were formulated in various ratios and fermented for 72 h. The predominant moulds isolated during the fermentation were Aspergillus flavus, Aspergillus fumigatus, Geotrichum candidum and Rhizopus stolonifera. After fermentation, the protein...

Author(s): Ojokoh A. O., Fayemi O. E. and Akinseye O. A.  

Utilization and haematological changes of fish fed African star apple (Chrysophyllum albidum) seed meal

September 2019

In fish farming, nutrition and haematology are critical. The former accounts for 70% production cost and the later determines an excellent health status of fish. Feeding trials were conducted in the laboratory for 12 weeks to evaluate the growth performance and haematological parameters of Clarias gariepinus fed varying levels of Chrysophyllum albidum seed meal (ASASM) as a replacement for maize in diets. The...

Author(s): Adeosun O., Adedokun, M. A., Ajibade, A. O. and Balogun, J. O.

Chemical compositions of the essential oils of Plukenetia conophora leaves

September 2019

Plukenetia conophora fresh leaves were obtained from a farm in the Surulere Local Government Area of Oyo State, Nigeria. The plant is a climber which normally found support in kola nut or cocoa tree. Standard method was used for the extraction of the oil. The oil was analyzed using gas chromatographic and gas chromatography coupled with mass spectrometric methods. Fifteen compounds were identified in the leaves. The...

Author(s): Akintola A. O., Ibikunle G. J., Odeniyi M. A., Faboya O. O. P., Onawumi O. O. E and Ayoola P. B  

Moisture-dependent physical properties of Opeaburoo and Abontem maize varieties during drying

August 2019

This study specifically seeks to find out the changes in moisture content (MC) on two maize varieties (Opeaburoo and Abontem) in relation to designated physical attributes during drying. Four designated MC within a range of 22.3 to 12.8% wb for Opeaburoo and 21.5 to 12.3% wb for Abontem were used. The mean length, width and thickness dimensions reduced from 12.67 to 12.54 mm, 9.19 to 9.12 mm, and 4.58 to 4.51 mm,...

Author(s): Ofori Hayford, Amoah Francis, Arah Kojo Isaac, Aidoo Isaac Albert and Okley Tei Nathan

Oil yields for Allanblackia parviflora (tallow tree) in Ghana: the effects of oil extraction methods, tree morphology and environmental characteristics

August 2019

This study provided understanding of the oil yields from Allanblackia parviflora fruits in Ghana. The study sought patterns of variations in oil yield between 157 trees, 16 communities and 3 ecological zones. Ecological zone and soil properties were considered as surrogates for growing conditions associated with tree and fruit morphology. Kernel and seed oil yields were determined using the manual screw press ranged...

Author(s): Wilfred Sefah, Pierre Horwitz, Mary C. Boyce and Lydia Sefah

Physicochemical, functional and sensory properties of tapioca with almond seed (Terminalia catappa) flour blends

August 2019

The growing occurrence of malnutrition in developing countries is gradually receiving the needed research attention. Plant protein products exhibited potential for protein supplementation of tapioca and was thus explored in this study. Cassava tubers (Manihot esculenta) were processed into tapioca grits (partially gelatinised irregular flakes from roasted cassava starch grits) with different proportion of almond seed...

Author(s): Adedola S. Adeboye, Adefunke Bamgbose, Oluwafemi A. Adebo, Damaris C. Okafor and Tajudeen B. Azeez

Effect of tree age on nutritional, anti-nutritional and proximate composition of Moringa stenopetala leaves in South west Ethiopia

July 2019

Moringa stenopetala is one of the indigenous agro-forestry tree species cultivated in multi-storey inter-cropping system in the southern dry land areas of Ethiopia. It is an economically important tree species in which most parts of the plant are used for different purposes. Leaves of the plant collected from age classes of the tree are edible after processing. Despite its wider usage in the southern parts of the...

Author(s): Fikremariam H. Desalegne, Zewdu Y. Ayele and Abeje E. Wasse

Physicochemical study of kernel oils from ten varieties of Mangifera indica (Anacardiaceae) cultivated in Cote d’Ivoire

July 2019

Mango consumers only use pulp and consider the kernel as wastes. This study aims to valorize the kernel of mango (Mangifera indica). In this study, the kernel of ten mango varieties (Ruby, Kent, Retard, Key, Assabony, Smith tête de chat, Smith normal, Palmer, Governeur and Aravia) collected at Yamoussoukro in the center of Cote d’Ivoire were used. The oils of these kernels were extracted by maceration...

Author(s): Amian Brise Benjamin Kassi, Yaya Soro, Emmanuel N’dri Koffi and Siaka Sorho

Evaluation of the consumption and nutritional quality of Basella alba L. in Brazzaville

July 2019

Leafy vegetables are generally neglected by consumers because of their rural lifestyle and low social status. As a result, they are often considered a "food of the poor. The general objective of our study is to carry out a nutritional and nutritional characterization of the vegetable Basella alba L. A cross-sectional survey of the consumption of B. alba L. leaves was carried out in the 9 districts of Brazzaville...

Author(s): Okouango Y. S. Itoua ,, Mananga Vital, , Elenga Michel, , and Hisseine Abdoulaye,  

Welfare effects of transportation cost and food price volatility in the context of globalization in Nigeria

June 2019

Globalization has enhanced the development of the transport sector and more importantly, the distribution of agricultural produce and food globally. However, not much is known about how this has impacted the welfare of the poor in Nigeria. Therefore, the study probed the persistence and asymmetry in food and transport price volatility; creating a dummy with the period before and after the adventure of significantly...

Author(s): Edamisan Stephen Ikuemonisan and Adeyose Akinbola Akinbola

Evaluation of the chemical composition and sensory quality of parboiled local and imported milled rice varieties marketed in south-east zone of Nigeria

June 2019

Rice imported into Nigeria is generally perceived to be of higher quality nutritionally than local rice which has caused low patronage and low market share for local rice. It is therefore essential to compare the nutritional composition and sensory quality of these local and imported rice varieties to verify the perceived claims. Eighteen local and 3 imported rice varieties coded Ip1, Ip2 and Ip3, were evaluated for...

Author(s): Chinenye Eberechukwu Azuka, Iro Nkama, Chinwendu Rachael Eze, Nahemiah Danbaba and Felix Uzochukwu Asoiro

Assessment of health risks associated with organochlorine pesticides levels in processed fish products from Lake Victoria

May 2019

This study assessed the health risks of organochlorine pesticides in fish products from Lake Victoria. Nine organochlorine pesticides (α- Hexachlorocyclohexane (HCH), β- HCH, γ- HCH (Lindane), Hexachlorobenze (HCB), Dieldrin, p, pꞌ- DDE, α- endosulfan, Oxychlordane and α- chlordane) were identified at variable levels in fish products. Of the nine organochlorine pesticides which were...

Author(s): Alex Wenaty, Arvid Fromberg, Faith Mabiki, Bernard Chove, Anders Dalsgaard and Robinson Mdegela

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