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Article
Publication date: 6 November 2007

S.O. Babalola, O. Taylor, A.O. Babalola and O.A. Ashaye

Yam flour (YMF) is an important staple food in the tropics but its utilization is limited by low nutrient and consumer acceptability. The aim of this paper is to…

Abstract

Purpose

Yam flour (YMF) is an important staple food in the tropics but its utilization is limited by low nutrient and consumer acceptability. The aim of this paper is to investigate the effect of substituting yam flour with grain amaranth on chemical and sensory properties.

Design/methodology/approach

YMF and grain amaranth flour (GAF) were prepared on a dry matter basis; GAF was mixed with YMF at ratio 1:3. All flour samples were subjected to chemical (moisture, protein, fat, ash, crude fibre, carbohydrate and minerals) evaluation and sensory evaluation of the stiff gel was conducted by a ten‐member panel consisting of five adult males and five females.

Findings

GAF increased the protein content of YMF significantly at p < 0.05 from 1.8 to 9.63 per cent. There was a decrease in carbohydrate content of YAF when substituted with GAF. There was a significant increase (at p < 0.05) in phosphorus and sodium elements when YMF was substituted with GAF. There was no significant difference in acceptability of gel from grain amaranth and yam flour (GAF–YMF) compared with whole YMF gel on colour, texture, flavour and overall acceptability.

Originality/value

It was apparent that substitution of YMF with GAF improved nutrient composition without affecting the acceptability. This will further improve the nutritional status of people in YMF‐consuming areas.

Details

Nutrition & Food Science, vol. 37 no. 6
Type: Research Article
ISSN: 0034-6659

Keywords

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Article
Publication date: 1 December 2009

Olusola A. Sonaiya and Ozgur Dincyurek

Vernacular and modern architecture have mostly been seen as antitheses, impossible to reconcile, especially in Africa. They appear to belong to different ages, utilize…

Abstract

Vernacular and modern architecture have mostly been seen as antitheses, impossible to reconcile, especially in Africa. They appear to belong to different ages, utilize different materials and methods, and encourage or support different lifestyles. This paper aims at seeking points where a merging of principles may be attempted between the two positions.

The study is based on a survey on the traditional architecture of the Yoruba people of West Africa. The decline in popular use of this building tradition and its rejection by design practitioners raises some physical and psychological issues which are examined in this paper. These include: spatial layout, use and quality, ecology and economy, concepts, meaning and perception. The fate of Yoruba traditional built culture depends on a conscious attempt to reconcile it with people's contemporary needs, lifestyles and world views.

Therefore, a brief introduction on the importance of Yoruba architecture and its preservation will be followed by a general definition of its features and characteristics, advantages and disadvantages. Finally, the problems posed by the architecture's modern trends in Yoruba land will be examined. It is hoped that such works may assist in the development of a truly responsive and sustainable architecture for the Yoruba people. The proposed solutions may be applied in other parts of Africa, or in regions with similar cultural or geographical concerns.

Details

Open House International, vol. 34 no. 4
Type: Research Article
ISSN: 0168-2601

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Article
Publication date: 14 March 2015

Babalola O. O., Amiolemen S. O., Adegbite S. A. and Ojo-Emmanuel G.

Innovation is not just an individual act of learning by a firm or entrepreneur, but anchored within a larger system that enables and draws on the innovation process. Hence…

Abstract

Innovation is not just an individual act of learning by a firm or entrepreneur, but anchored within a larger system that enables and draws on the innovation process. Hence there is need to study internal and external factors that influence technological innovation outputs of small and medium enterprises (SMEs). SMEs at four industrial estates in Nigeria were sampled for this study. Several internal factors such as firm size, turnover, age, ownership, and expenditure on innovation activities did not have significant relationships with innovation output, signifying they are not the factors promoting innovation levels. Quality of human resources and interactions with suppliers as an external factor within the national innovation system (NIS) both made significant impact on innovation. Innovative performance of the firms is mainly influenced by demand or market pull factors more than technology push sources. The study recommends increasing interaction and dynamism within the NIS; substantial investment to galvanize industrial and technological capabilities of the firms and their supply chains; and adequate supply of infrastructure and funds to SMEs.

Details

International Journal of Innovation Science, vol. 7 no. 1
Type: Research Article
ISSN: 1757-2223

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Article
Publication date: 3 October 2016

Isaac Akomea-Frimpong, Charles Andoh and Eric Dei Ofosu-Hene

This paper aims to measure the extent of effects of insurance fraud on the financial performance of insurance companies in Ghana. It also examines the causes and stringent…

Abstract

Purpose

This paper aims to measure the extent of effects of insurance fraud on the financial performance of insurance companies in Ghana. It also examines the causes and stringent measures that can be used to fight against insurance fraud.

Design/methodology/approach

Primary and secondary data obtained from 39 insurers in Ghana are used in this paper. A multiple regression model is used to determine the relationship between financial performance and insurance fraud variables.

Findings

The results from the model indicate that statistically insurance fraud has a significant negative effect on the annual return on assets (financial performance) of insurers in Ghana. Also, weak internal controls, poor remuneration of employees, falsified documents, deliberate acts of policyholders to profit from the insurance contract and inadequate training for independent brokers are found to be the major causes of insurance fraud in Ghana. To deter insurance fraud, effective internal fraud policy, rigorous assessment of insurance policies and claims, adequate training for independent brokers on insurance fraud and modern information technology tools are paramount in fighting this menace in Ghana.

Research limitations/implications

These findings are to have substantial impact on the techniques insurance companies will develop to fight insurance fraud and the policies that will be developed by governments and national insurance regulatory bodies to fight this menace.

Originality/value

The main value of this paper is the determination of the key variables that constitute insurance fraud and their impacts on the annual financial performance of insurance companies in Ghana.

Details

Journal of Financial Crime, vol. 23 no. 4
Type: Research Article
ISSN: 1359-0790

Keywords

Content available
Book part
Publication date: 4 June 2021

Olusesan Ayodeji Makinde, Emmanuel Olamijuwon, Nchelem Kokomma Ichegbo, Cheluchi Onyemelukwe and Michael Gboyega Ilesanmi

Incidents of violence perpetrated through digital technology platforms or facilitated by these means have been reported, often in high-income countries. Very little…

Abstract

Incidents of violence perpetrated through digital technology platforms or facilitated by these means have been reported, often in high-income countries. Very little scholarly attention has been given to the nature of Technology-Facilitated violence and abuse (TFVA) across sub-Saharan Africa (SSA) despite an explosion in the use of various technologies. We conducted a literature review to identify and harmonize available data relating to the types of TFVA taking place in SSA. This was followed by an online survey of young adults through the SHYad.NET forum to understand the nature of TFVA among young adults in SSA. Our literature review revealed various types of TFVA to be happening across SSA, including cyberbullying, cyberstalking, trolling, dating abuse, image-based sexual violence, sextortion, and revenge porn. The results of our online survey revealed that both young men and women experience TFVA, with the most commonly reported TFVA being receiving unwanted sexually explicit images, comments, emails, or text messages. Female respondents more often reported repeated and/or unwanted sexual requests online via email or text message while male respondents more often reported experiencing violent threats. Respondents used various means to cope with TFVA including blocking the abuser or deleting the abused profile on social media.

Details

The Emerald International Handbook of Technology Facilitated Violence and Abuse
Type: Book
ISBN: 978-1-83982-849-2

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Article
Publication date: 15 August 2008

Peter O. Ikoya

This research aims to examine the difference in the availability, adequacy and functionality of physical facilities in centralized and decentralized schools districts…

Abstract

Purpose

This research aims to examine the difference in the availability, adequacy and functionality of physical facilities in centralized and decentralized schools districts, with a view to making appropriate recommendations to stakeholders on the reform programmes in the Nigerian education sector.

Design/methodology/approach

Principals, teachers, members of the board of education including parents and community leaders were surveyed from centralized and decentralized school districts on availability, adequacy, and functionality of schools facilities.

Findings

Emerging data revealed that decentralization enhances the availability, adequacy and functionality of schools physical facilities.

Research limitations/implications

The implication of the findings is that decentralization is a more efficient method of managing schools' infrastructure because it promotes accountability and reduces official corruption in schools administration.

Originality/value

Findings from this research provide practical solutions to the problem of physical facilities inadequacy in the Nigerian school system.

Details

Journal of Educational Administration, vol. 46 no. 5
Type: Research Article
ISSN: 0957-8234

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Article
Publication date: 1 June 2003

J.A. Ayo and I. Nkama

Acha (Digitaria exilis staph.) grain was purchased locally from Jos central market in Plateau State of Nigeria. The grain was washed, destoned, oven (cabinet)‐dried, dry…

Abstract

Acha (Digitaria exilis staph.) grain was purchased locally from Jos central market in Plateau State of Nigeria. The grain was washed, destoned, oven (cabinet)‐dried, dry milled, sieved and used as acha grain flour to substitute for wheat flour for the production of biscuit. The physical (spread ratio, break strength, weight) and sensory (colour, taste, odour, texture) qualities of the biscuit were determined. The spread ratio increases (5.95 to 7.33), while the bread strength decreases (1.97 to 1.49) with the increase in the acha grain flour percentage. The effects were generally significant at above 30 per cent substitution (p≤0.05).

Details

Nutrition & Food Science, vol. 33 no. 3
Type: Research Article
ISSN: 0034-6659

Keywords

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Article
Publication date: 25 July 2008

Olubola Babalola and David Abiodun Adesanya

Electrical services contribute a substantial percentage of total construction cost of any particular project. It is essential for estimators to have a detailed knowledge…

Abstract

Purpose

Electrical services contribute a substantial percentage of total construction cost of any particular project. It is essential for estimators to have a detailed knowledge of the factors that affect the incorporation of electrical services cost into the overall building project cost. The overall aim of the study that formed the basis for this paper therefore was to investigate the factors that influence cost estimating of electrical services project.

Design/methodology/approach

The study was carried out based on questionnaire survey of 225 organizations that are involved in cost estimating of electrical services projects in Nigeria. A total of 158 questionnaires out of the 163 retrieved were appropriate for analysis. A list of factors potentially influencing cost estimate for electrical services was identified for the respondents to rate. The data collected were analyzed using factor analysis based on principal component analysis and varimax orthogonal rotation.

Findings

The results shows that the factors affecting production of cost estimate for electrical services could be grouped into four principal factors: the most important factor grouping being estimator competence followed by project technicality, economic requirements and contract requirements.

Practical implications

Many factors are considered by practitioners in the preparation of cost estimate for electrical work in construction project development. The paper has listed about 23 factors that are relevant. However, this paper has shown that four principal factors need to be considered as they explain 64 percent of the factors affect cost estimate production for building project's electrical service works.

Originality/value

Review of literature has shown that there is limited empirical research on the factors influencing cost estimate production for electrical services work. The paper has produced an empirical research on the crucial factors that must be taken into account when producing cost estimate for the electrical service projects.

Details

Journal of Financial Management of Property and Construction, vol. 13 no. 3
Type: Research Article
ISSN: 1366-4387

Keywords

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Article
Publication date: 1 March 2006

J.O. Aina and A.A. Shodipe

In Nigeria, roselle juice is quite popular among the populace presumably owing to its attractive colour, pleasant flavour and nutritional attributes. In the citrus…

Abstract

Purpose

In Nigeria, roselle juice is quite popular among the populace presumably owing to its attractive colour, pleasant flavour and nutritional attributes. In the citrus industry, processing and packing material selection have significant effect on quality of juice product during storage. The effects of packaging materials, and storage temperature on colour and vitamin C retention of sobo juice extracted from local roselle plant were investigated.

Design/methodology/approach

Juice was extracted at three different temperatures: 20, 60 and 100°C for varying processing times of 5, 10, 15, 20 and 25 min respectively. Freshly extracted roselle juice was divided into three batches and independently hot‐filled into 500 mL pre‐sterilised glass, film packages and polyethylene terephthalate (PET) bottles allowing for minimum head space, capped, cooled and subsequently stored at 5 ± 1 and 28 ± 1°C respectively for eight weeks.

Findings

Optimum pigment extraction was obtained in 20 min with boiling water, while colour stabilisation of the extracted juice was affected with the use of food acidulants. Colour degradation on storage was pronounced in sweetened juice with greater colour loss in product held at ambient temperature. Colour and vitamin C retention with glass and plastic bottles provide higher retention of these quality attributes under cold and ambient storage condition than with the flexible polyethylene film.

Originality/value

Retention of colour and vitamin C was considerably higher in glass and PET bottles than in flexible film package. However, addition of table sugar or increasing storage temperature from 5 to 27°C affected colour stability.

Details

Nutrition & Food Science, vol. 36 no. 2
Type: Research Article
ISSN: 0034-6659

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Article
Publication date: 5 March 2021

Sara Gusmao Brissi, Oscar Wong Chong, Luciana Debs and Jiansong Zhang

The purpose is two-fold: (1) to explore the interactions of robotic systems and lean construction in the context of offsite construction (OC) that were addressed in the…

Abstract

Purpose

The purpose is two-fold: (1) to explore the interactions of robotic systems and lean construction in the context of offsite construction (OC) that were addressed in the literature published between 2008 and 2019 and (2) to identify the gaps in such interactions while discussing how addressing those gaps can benefit not only OC but the architecture, engineering and construction (AEC) industry as a whole.

Design/methodology/approach

First, a systematic literature review (SLR) identified journal papers addressing the interactions of automation and lean in OC. Then, the researchers focused the analysis on the under-researched subtopic of robotic systems. The focused analysis includes discussing the interactions identified in the SLR through a matrix of interactions and utilizing literature beyond the previously identified articles for future research directions on robotic systems and lean construction in OC.

Findings

The study found 35 journal papers that addressed automation and lean in the context of OC. Most of the identified literature focused on interactions of BIM and lean construction, while only nine focused on the interactions of robotic systems and lean construction. Identified literature related to robotic systems mainly addressed robots and automated equipment. Additional interactions were identified in the realm of wearable devices, unmanned aerial vehicles/automated guided vehicles and digital fabrication/computer numerical control (CNC) machines.

Originality/value

This is one of the first studies dedicated to exploring the interactions of robotic systems and lean construction in OC. Also, it proposes a categorization for construction automation and a matrix of interactions between construction automation and lean construction.

Details

Engineering, Construction and Architectural Management, vol. ahead-of-print no. ahead-of-print
Type: Research Article
ISSN: 0969-9988

Keywords

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