African Journal of
Food Science

  • Abbreviation: Afr. J. Food Sci.
  • Language: English
  • ISSN: 1996-0794
  • DOI: 10.5897/AJFS
  • Start Year: 2007
  • Published Articles: 880

AJFS Articles

Impact of instant controlled pressure drop (DIC) treatment on the technological quality of gluten-free bread based on rice-field bean formula using design of experiments

March 2021

This work aimed to investigate the impact of Instant Controlled Pressure Drop (DIC) treatment on the technological quality of Gluten-Free Bread (GFB) based on Rice-Field bean Formula (RFF). Two DIC factors were used as independent parameters of a Design of Experiments (DoE); X1: DIC temperature ranged from 100 to 165°C which was rigorously correlated with the dry saturated steam pressure ranged between 0.1 and 0.7...

Author(s): Souad BOULEMKAHEL, Leila BENATALLAH, Colette BESOMBES, Karim ALLAF and Mohammed Nasreddine ZIDOUNE

Inactivation of microbes by ozone in the food industry: A review

March 2021

Ozone is active against a broad spectrum of microorganisms. Ozone treatment can enhance safety and increase shelf life with limited impact on product quality. Ozone is known to be one of the strongest oxidizers that can have applications in foods. In the gaseous state, ozone is denser than air, colorless at lower concentrations and possesses a distinct odor. Ozone can be generated using a few methods, by photochemical...

Author(s): Mohamed Ziyaina, and Barbara Rasco

Assessment of phytochemical and mineral composition of unripe and ripe plantain (Musa paradisiaca) peels

March 2021

Plantain (Musa paradisiaca) fruit constitutes a staple food widely consumed predominantly in Africa. The peel, a major by-product, of plantain fruit is largely viewed to be of little or no significance and consequently discarded, thereby constituting a threat to the environment. It is on account of the foregoing that this study was designed to investigate the phytochemical and mineral components of both the unripe and...

Author(s): Sani Muhammad Uzairu and Muhammad Atiku Kano

Increasing gallic acid contents in green tea extracts using acid hydrolysis

March 2021

Gallic acid (GA) is a functional ingredient abundant in Chinese pu-erh tea. The aim of this study was to increase the GA content in green tea extracts using acid hydrolysis. (-)-Epigallocatechin gallate treated with 1 M hydrochloric acid at 110°C for 1 h resulted in a GA yield of 45.6%. However, under these conditions, (-)-epigallocatechin was easily oxidized and rendered undetectable. On applying the same treatment...

Author(s): Hae-Soo Kim, Do Yeon Jeon, Ha-Nul Lee, Seong-Jin Hong, Seung-Hee Nam, Jeong Choi, Yong-Hee Kwon, Doo-Gyung Moon, and Young-Min Kim

Quality and sensory properties of instant fried noodles made with soybean and carrot pomace flour

March 2021

Wheat flour commonly used in making noodles is rich in starch but poor in protein and fiber. Wheat flour substituted with soybean and carrot pomace flours were used to produce instant fried noodles. Soybean is high in protein while carrot pomace is rich in dietary fiber. The aim of this study was to evaluate the effect of substituting wheat flour with soybean and carrot pomace flour on the physicochemical, cooking and...

Author(s): Tiony Mercy Chepkosgei and Irene Orina

Handling practices and microbiological quality of kayabo - salted sun-dried nileperch Lates niloticus from Lake Victoria, Tanzania

March 2021

This study assessed handling practices and microbiological contamination of salted sun-dried Nile Perch, Lates niloticus, commonly known as Kayabo in Tanzania. The processors of Kayabo were small-scale processors located at Kanyama and Mwaloni, Mwanza. Mixed methods (observations, face-to-face interviews, and microbiological sampling) were used to assess handling practices of processors and...

Author(s): Nuru E. Mwasulama, Jamal B. Kussaga and Bendantunguka P. M. Tiisekwa  

Estimation of nitrite level and effect of processing on residual nitrite level in sausages marketed in Dharan, Nepal

February 2021

The study was conducted to examine nitrite levels in processed meat products (sausage, salami, bacon, and ham) marketed in Dharan City and to determine the effect of common methods of processing on residual nitrite levels in sausages. Preliminary survey was conducted to know the popular processed meat products. Total of 44 samples were analyzed for nitrite levels and 10 sausage samples were subjected to two different...

Author(s): Niraj Paudel, Dinesh Subedi, Shraddha Khanal, Dev Raj Acharya and Sajal Bhattarai  

Successful value-chain approach for oat industry; development and quality evaluation of oat (Avena sativa) incorporated yogurt

February 2021

Oat (Avena sativa) is a cereal rich in fiber and nutrients necessary for good health. This study was conducted to develop oat flakes incorporated yogurt. Oat flake concentrations were used at 2.5, 3.75, and 5 g of oats per 100 ml of milk. The selected oat concentration from a sensory evaluation was compared with a commercial yogurt for consumer preference and proximate analysis. The shelf life of the selected yogurt...

Author(s): M. K. S. Malki, K. M. G. K. Pamunuwa and J. A. A. C. Wijesinghe

Nutritional, health benefits and usage of chia seeds (Salvia hispanica): A review

February 2021

As we enter the 3rd millennium, with improved life expectancy, and high media coverage of health care issues, people are becoming more aware of and interested in the potential benefits of nutritional support for disease control or prevention. The review aimed to gather published information regarding nutrition and health benefits associated with the use of chia seeds for human health. Researchers have reported chia...

Author(s): Ashura Katunzi-Kilewela, Lillian D. Kaale, Oscar Kibazohi and Leonard M. P. Rweyemamu

African yam beans (Sphenostylis stenocarpa): A review of a novel tropical food plant for human nutrition, health and food security

February 2021

This review investigated African yam beans (AYB) as a novel tropical food plant for human nutrition. AYB plants food potentials, its nutritional and amino acid compositions were also examined. In the same vein, the health benefits, utilization of AYB in starch and composite flour technology as well as its toxicological analysis were explored. Also, strategies to minimize processing difficulties and antinutritional...

Author(s): Gbenga-Fabusiwa F. J.

Content of minerals and antinutritional factors in moin-moin (steamed cowpea food)

February 2021

Moin-moin (steamed cowpea food; MM) is one of the most popular local dishes in Bahia-Brazil. The present study was carried out to improve the knowledge of type of cowpea used in the preparation of moin-moin and its influence on mineral content and antinutritional factors. MM samples were collected from 30 out of the sales points located in the city of Salvador-Bahia. The mineral contents of MM showed a wide variation:...

Author(s): Lafaiete Almeida Cardoso, Ralf Greiner, Agnes Sophia Braga Alves, Sandra Regina Costa Santos, Wagna Piler Carvalho dos Santos, Paulo Roberto Ribeiro, Deusdélia Teixeira de Almeida

Alcohol yield from various combinations of cassava and sweet potato flours

January 2021

The use of cassava and sweet potato separately as raw materials for ethanol production in the recent past has been demonstrated. The search for the optimum processing conditions to hydrolyse and ferment sugars from the starches in cassava and sweet potato is well studied. The effects of substrate, temperature, enzyme types and concentrations, the reaction times of saccharification and fermentation were investigated for...

Author(s): Komlaga G. A., Oduro I., Ellis W. O., Dziedzoave N. T. and Djameh C.

Physico-chemical properties of selected Irish potato varieties grown in Kenya

January 2021

Potatoes have attracted great interest as a feasible solution to food insecurity and climate change in Kenya. Many varieties have been developed but their nutritional value and suitability for domestic and industrial use are not sufficiently studied. A comparative study of physical attributes (tuber weight, size, shape, eye depth and number, specific gravity, colour) and nutrient composition (proximate, minerals,...

Author(s): Evelyne N. Gikundi, Daniel N. Sila, Irene N. Orina and Ariel K. Buzera,

Degradation of phytate in composite wheat/cassava/sorghum bread by activation of intrinsic cereal phytase

January 2021

The objective of this study was to degrade the phytic acid content in composite wheat/cassava/ sorghum bread by activating intrinsic cereal phytases during the baking process. The aim was to reach a phytate:iron molar ratio <1 in order to achieve an enhanced iron absorption in humans. Means to activate the phytase included dough preparation at different pH values and temperature as well as pre-soaking of the sorghum...

Author(s): Serafina Lídia Vilanculos, and Ulf Svanberg

Comparison of chemical composition of fruit pulp of Parkia biglobosa (Jacq.) Benth from differents ecoregions

January 2021

Parkia biglobosa (Jacq.) Benth commonly called néré in French-speaking Africa is a semi-domesticated indigenous tree with a multi-purpose and highly appreciated use. Its pod-shaped fruits contain a yellowish floury pulp, eaten raw or used to make drinks, couscous and for raw or cooked dough. The objective of this study was to determine the profiles of minerals (Fe, K, Mg, Zn, Ca), beta-carotene, protein,...

Author(s): Dao Aboubacar Sidiki, Parkouda Charles, Traoré MA Esther, Aimée WDB Guissou, Barbara Vinceti, Céline Termote, Mattia Manica and Bassolé Imael Henri Nestor

Traditional production and quality perception of grilled pork consumed in Benin

December 2020

Traditional grilled pork is a well appreciated ready-to-eat on the spot or takeaway food produced in Benin. This study, realized via field investigation, aimed to provide a better understanding of the traditional grilled pork production in Benin, for future improvement of the process and product quality for urban dwellers. The study showed most processors were men (85.6%), illustrating the particularity of this activity...

Author(s): Ogouyôm Herbert Iko Afé, Dona Gildas Hippolyte Anihouvi, Mahunan François Assogba, Yénoukounmè Euloge Kpoclou, Nassim Moula, Jacques Mahillon, Victor Bienvenu Anihouvi, Marie-Louise Scippo and Djidjoho Joseph Hounhouigan

Evaluation of proximate and functional properties of rubber (Hevea brasiliensis) seed meals

December 2020

With the ever-growing demand for food and food-feed competition because of population growth, the nutritional and functional properties of rubber seed meal were evaluated. Rubber seeds were processed as raw, cooked, and fermented seed meals and analysed for proximate, bulk density, water absorption capacity, oil absorption capacity, emulsion capacity, and least gelation concentration. Results showed significant...

Author(s): Agbai Chidinma Mary, Olawuni Ijeoma A, Azeke Augusta Ehijie, Nwokenkwo Emilia Chidinma and Alagbaoso Sarah Ogechi

Factors influencing consumption of street vended local foods (SVLFs) in Urban Ghana

December 2020

Street foods are important in meeting dietary and nutritional needs of growing urban populations, contributing to their food security needs. In spite of concerns of nutritional value, affordability and localness of street foods, street food vending enterprise is prolific in urban places with consumers of different socio-cultural and economic statuses. This is because several factors inform people on their food choices....

Author(s): Joyce Afua Sarpong Haleegoah, Kofi Osei Akuoko, Peter Dwumah,  Kofi Amoako Marfo, John Boulard Forkuor, Benedicta Nsiah Frimpong, Bright Owusu Asante and Lydia Brobbey

Physicochemical and sensory properties of bread with sweet potato flour (Ipomea batatas L.) as partial replacer of wheat flour supplemented with okra hydrocolloids

December 2020

The effects of partial substitution for wheat flour with sweet potato flour and the incorporation of aqueous okra hydrocolloid extract on the physicochemical and sensory characteristics of wheat bread processing was evaluated. Six breading formulations were prepared with substitution of 10, 20 and 30% wheat flour by sweet potato flour with or without incorporation of aqueous okra hydrocolloid extract of 0.5, 1.0 and...

Author(s): António Paulo Machine, Armando Abel Massingue, Moisés Tomas Ngome, Simião Gabriel Balane, Adércio Azarias Munguambe, Egas José Armando and Susuana Asaam  

Development and characterization of cake made with a mixture of cowpea and rice flours

December 2020

This study developed a cake recipe based on a flour mixture of cowpea and rice. Four formulations with different percentages of cowpea flour (CF) and rice flour (RF) (0% CF + 100% RF, 10% CF + 90% RF, 20% CF + 80% RF, 30% CF + 70% RF) were developed. Microbiological, physicochemical and sensory evaluations were performed. Tasters preferred the mix formulation containing 10% of cowpea and 90% of rice (p < 0.05), that...

Author(s): Merian Cunha OLIVEIRA, Adriana Santos NASCIMENTO, Karina Zanoti FONSECA, Bruna Aparecida de Souza MACHADO, Wagna Piler C. dos SANTOS and Ferlando Lima SANTOS

Probiotic potential of lactic acid bacteria isolated from traditionally fermented legume products of Western Kenya

November 2020

Fermentation as a processing technique has been used for a long time by people of Western Kenya to improve the quality of raw food material. During fermentation, lactic acid bacteria (LAB) synthesize vitamins and minerals, produce biologically active peptides with enzymes such as proteinase and peptidase, and remove some ant-nutrients. The medicinal and flavor enhancing properties of fermented foods are due to the...

Author(s): Beatrice Aleyo Akweya, Joseph Mwafaida Mghalu, Rahma Udu M. Yusuf and Tochi Bitange

Physical properties of selected groundnut (Arachis hypogea L.) varieties and its implication to mechanical handling and processing

November 2020

The physical properties of agricultural materials are functional in solving many glitches associated with machine design during handling and mechanical processing. Physical properties of five groundnut varieties (“Obolo”, “Yenyawoso”, “CRI Nkatie”, “Agbeyeyie” and “Pion”) and their relations to the design of food processing equipment were studied. Obolo variety...

Author(s): Hayford Ofori, Francis Amoah, Isaac Kojo Arah, Mohammed-Kamil Abukari Piegu, Isaac Albert Aidoo and Eric Donald Nii Akpen Commey,

Conceptualization and designing of a beef quality determination framework based on beef supply chain in Tanzania

November 2020

A framework for determining the quality of beef was developed based on the assessment of Beef Supply Chain (BSC) between the slaughter and retail points. In this respect, slaughtering, distribution, retailing and consumer preferences models were developed for assessing the beef processing designed features (BPDFs) across the BSC specifically in Slaughtering Facilities (SFs), Beef Distributing Facilities (BDFs), and Beef...

Author(s): J. T. Mwashiuya, G. Mwaluko and S. V. Manyele  

Changes in physicochemical properties and bioactive compounds of tomato pulp submitted to different processing techniques

November 2020

Tomato is a vegetable/fruit highly consumed all other the world. This study was to assess the effect of some postharvest processing such as thermal treatment, microwave, ultrasound and ultrasound combined with heat treatment on some physicochemical characteristics as well as nutrients content of tomato pulp during storage at room temperature. Results showed that the pulp samples submitted to ultrasonic and microwave...

Author(s): Edwige Bahanla Oboulbiga, Charles Parkouda, Boubacar Savadogo, Aimée W. D. B. Guissou, Korotimi Traore, Alfred S. Traore, Hagrétou Sawadogo-Lingani and Mamoudou H. Dicko

Biochemical composition of Saba senegalensis fruits from Burkina Faso

November 2020

The aim of this study was to determine the biochemical characteristics of the fresh pulp and the dried hulls of Saba senegalensis fruits collected in seven localities of Burkina Faso. The biochemical composition of the samples was determined using standards methods. Results showed that the pulp presented mean values of 83.23%, 18.74%, 2.83 and 4.48 for moisture, Brix, pH and titratable acidity, respectively. Based on...

Author(s): Salamata TIENDREBEOGO, Leguet GANOU, Clarisse S. COMPAORE, Fidèle W. TAPSOBA and Mamoudou H. DICKO

Pesticide residues in locally produced grape wine in Tanzania: a case study of Dodoma urban and Bahi districts

November 2020

The aim of this study was to assess the level of pesticide residues in locally produced grape wine in Tanzania. Fifty samples of grape wine from different locations in Dodoma urban and Bahi district were analyzed to determine the presence of 49 pesticides using the quick, easy, cheap, effective, rugged and safe (QuEChERS) multi-residue extraction, followed by gas chromatography-tandem mass spectrometry (GC-MS/MS)....

Author(s): Sifa S. Chamgenzi and Jovin K. Mugula  

Microbial analysis and factors associated with contamination of ready-to-eat chili pepper sauce in Buea municipality, Cameroon

November 2020

Chili peppers sauce is a dietary complement largely consumed in Cameroon. It is consumed in a powder or wet (pepper sauce) form or directly introduced into cooked food. In this study, the microbiological quality of chili pepper sauce used as food complement in the Buea municipality was assessed. The study was an observational and cross-sectional study involving 70 chili pepper sauce samples from food vendors. The...

Author(s): Tendongfor Nicholas, Ndikaka Vannessa Emlah, Nyassa Raymond Babila, Henry Dilonga Meriki, Tiapang Laura Mbino and Yanou Kamdep Pamela  

Spoilage and microbial quality of crude palm oil from the North-west Region of Cameroon

October 2020

In Cameroon, palm oil is extensively used in its crude form for food. The present study was carried out to access stakeholders’ perception of spoilage and the microbial quality of crude palm oil in the North-west Region of Cameroon.  A random survey was carried out on 148 stakeholders of the crude palm oil marketing channel about their perception of crude palm oil spoilage. 79 samples were collected from...

Author(s): Ngangjoh Alima Senkoh, Tatanja Niba Aziwo and Ejoh Aba Richard  

Relationship of household diversity dietary score with, caloric, nutriment adequacy levels and socio-demographic factors, a case of urban poor household members of charity, Constantine, Algeria

October 2020

This study was conducted to assess dietary diversity of Algerian urban poor household with household dietary diversity (HDDS) and to study its relationship with nutrient adequacy level and socio-demographic factors. A survey was followed by three 24 h dietary recalls during one year, with household’s members of charity in Constantine. Qualitative method has been realised using household dietary diversity score and...

Author(s): Hassani Lilia

A review of explored uses and study of nutritional potential of tamarind (Tamarindus indica L.) in Northern Ghana

October 2020

Tamarind (Tamarindus indica) is increasingly becoming a commercially important underutilized tree crop worldwide. Due to its multi-purpose use and market demand the tree and its processed products are been traded in many towns and villages. Despite its potential, major setbacks are the lack of knowledge on its uses and nutritional potential within the Ghanaian context. This study reviews and exposes the beneficial...

Author(s): Chimsah F. A., Nyarko G. and Abubakari A-H.  

Consumers’ acceptability of extruded maize-sorghum composite flours fortified with grain amaranth, baobab and orange fleshed sweet potatoes

October 2020

Porridge is a popular cereal flour-based food product for children in Sub-Saharan Africa. Compositing of cereal flours to improve their nutritional composition is done. However, the enrichment of such flours with naturally nutrient-rich plant products is poorly developed. A study was conducted to evaluate the acceptability and sensory attributes of newly formulated extruded composite flours containing maize, sorghum,...

Author(s): Sanya Emmaculate, Okoth Michael Wandayi., Abong George Ooko and Mugalavai Violet Kadenyeka  

Proximate and phytochemical composition of selected indigenous leafy vegetables consumed in Malawi

October 2020

Indigenous vegetables are very important in nutritional wellbeing of low resource rural communities especially in developing countries. Most indigenous vegetables are also believed to contain health promoting compounds such as antioxidants. In this study, nutrient composition of three commonly consumed indigenous leafy vegetables in Malawi namely Amaranth (Amaranthus species), Black jack (Bidens pilosa) and Mwamuna...

Author(s): Lesten Eliez Chisomo Chatepa and Kingsley George Masamba  

Effect of heat treatment on yeast inactivation, vitamin C and physicochemical quality of fresh pineapple juice

September 2020

The effect of pasteurization-range heat treatment on yeast inactivation, vitamin C and the physicochemical characteristics of fresh pineapple juice were assessed. Yeast inactivation could be described by the Weibull model. The desired 6 log reduction was achieved at 63 and 65°C for 8 and 2 min, respectively. The pH, degree brix and organic acids did not change from 55 to 95°C. A significant change in fructose...

Author(s): Mênouwesso H. Hounhouigan, Anita R. Linnemann, Mohamed M. Soumanou and Martinus A. J. S. Van Boekel

Consumer acceptability and nutrient content of Westwood (Cirina forda) larva-enriched Amaranthus hybridus vegetable soups

September 2020

Insects account for the greatest amount of biodiversity in forests with over 1,400 species reportedly eaten as human food, but are the least studied of all fauna. Studies have shown that they may contribute significantly to livelihoods in both rural and urban areas. This study was carried out to assess the consumer acceptability and nutrient content of Cirina forda larva-enriched vegetable soups. Dry C. forda (CF) larva...

Author(s): Adepoju Oladejo Thomas and Daboh Oladele Olatunji

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  

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  

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.

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  

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  

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.  

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  

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  

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

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  

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  

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  

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  

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

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