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» CHAPTER ONE INTRODUCTION Over the years the world traditional medicine has been known to take its source from higher plants and their extracts in the treatment of diseases and infections (Sofowora, 1983). Until 19th century, when the development of chemistry and synthetic organic chemistry started, medicinal plants were the sources of active materials used in healing and curing human diseases. Bef...Continue Reading »
50 pages | 315 engagements |
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» CHAPTER ONE INTRODUCTION Definition of a drug A drug can be described as any chemical substance that has no nutritional value when introduced into the body but causes some physiological effects within the system (Mbah, 2000). Drugs are classified under pharmaceuticals. Pharmaceutical drug, according to Dey (2006), also refers to as medicine or medicament, can be loosely defined as any substance in...Continue Reading »
50 pages | 235 engagements |
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» Abstract Palm kernel shells are readily available agricultural waste products that have been used as low cost potential adsorbent to remove chromium from effluent water. The production of activated carbon from palm kernel shells using KOH as activating agent was studied. Batch adsorption studies were carried out as a function of parameters such as carbon dosage, pH and contact time. Chromium remov...Continue Reading »
50 pages | 256 engagements |
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» CHAPTER ONE 1. INTRODUCTION 1.1 Background of study Worldwide petroleum based energy resources are being depleted – onshore crude oil production peaked decades ago but our demands for petroleum are still going up (McCarthy, et al.2011). The United States’ continued dependency on imported petroleum, particularly from the Middle East, has become an important national security issue (John...Continue Reading »
50 pages | -1 engagements |
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» CHAPTER ONE INTRODUCTION 1.1 Background of the study Palm wine is a fermented traditional beverage consumed in many parts of the world and well known as a white colored alcoholic drink. The drink is known by different names around the world (Santiago Urbina and Ruíz Terán, 2014) and is regarded as a heavy suspension of yeasts in fermenting palm sap (Okafor, 2007). Even though palm wi...Continue Reading »
50 pages | 301 engagements |
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» CHAPTER ONE 1.0 INTRODUCTION 1.1 Background of Study The consumption of alcohol beverages is on the decrease in certain areas because various religious and health bodies have intensified campaign against such beverages for alternatives this has necessitated the production and sales of locality produced drinks such as KunuZaki, Pito, Soya milk and Zobo. These drinks are not just accepted by all rel...Continue Reading »
50 pages | 551 engagements |
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» ABSTRACT Air pollutions pollutant showed that the extent of spreading depends on the motor vehicle traffic population of the area. This pollution strongly generated through combustion of fossil fuels presents difficult environmental challenge to societies as it could degrade the environment and affect human health and quality of life. Vehicular emissions are major contributors to air pollution in ...Continue Reading »
50 pages | -1 engagements |
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» ABSTRACT The components of the yield of cherry fruit in terms of fruit diameter, number of seeds and weight in Ugbekun and Oka Market in Ikpoba Okha Local Government Area of Edo State. The average diameter of cherry fruits in location A and B in Ugbekun Market were 26.54mm and 22.84mm while the average diameter of cherry fruits in location A/B in Oka Market were 23.7mm and 25.9mm. the average numb...Continue Reading »
50 pages | 435 engagements |
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» PREFACE When painting a wall, better coverage is assured when the roller passes over the same area several times from different directions. It is the opinion of the author that this technique works well in teaching chemistry. Therefore, a second objective has been to stress fundamental principles in the discussion of several topics. For example, the hard soft interaction principle is employed in d...Continue Reading »
50 pages | 503 engagements |
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» ABSTRACT Cocoa (Theobroma cacao L.) fruits are important commodity of economic value since the seeds or beans is used to produce high demand products such as cocoa powder, butter and chocolate. The processing of cocoa fruits generates a large amount of cocoa pod husk discard as wastes (Alemawor et al., 2009). Cocoa pod husk represents between 70 to 75% of the whole cocoa fruit weight where each to...Continue Reading »
50 pages | -1 engagements |
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» ABSTRACT Harvested water run off from five different houses with stone coated roof were sampled in Ichida, Anambra state for the effect of the roof on the harvested water. The pH and metal content of the harvested water run off were analyzed. The result of the analysis where compared with the World Health Organization standard. The results showed that the pH ranged from 6.4 – 7.2 and the con...Continue Reading »
50 pages | 472 engagements |
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» Abstract Two different set of soil samples were collected near Kaduna Refining and Petrochemical Company Limited (KRPC), a Subsidiary of Nigerian National Petroleum Corporation (NNPC) Kaduna. The first set of samples labelled (D) was obtained from areas where diesel from the refinery spilled into the environment and the second set of samples labelled (P) was collected from areas where petrol leake...Continue Reading »
50 pages | -1 engagements |
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» ABSTRACT The level of some nutrient elements in Abuja surface water were investigated for six months to determine the eutrophication profile and make logical inference on the fate of surface water system in the nearest future. Samplings were done monthly for a period of six months covering October to March and standard methods were used for the measurement of some nutrients constituting the indice...Continue Reading »
50 pages | 381 engagements |
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» CHAPTER ONE INTRODUCTION 1.0 GENERAL INTRODUCTION Energy is a fundamental pillar of modern society as well as being an essential building block for socio economic development (UNIDO, 2007). The awareness of the imminent depletion of fossil fuels coupled with a global energy crisis has stimulated interest in the research for alternative energy source (Garba et al., 1996). The urgent need for altern...Continue Reading »
50 pages | 373 engagements |
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» CHAPTER ONE 1.0 INTRODUCTION Corrosion is a serious problem in this modern age of technological advancement. This accounts for a lot of economic losses and irreversible structural damage. The cost of corrosion failures annually for any nation is difficult to estimate per annum, but it has been stated that the wastage of material resources by corrosion ranks third after war and disease (Olugbenga e...Continue Reading »
50 pages | 417 engagements |
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» ABSTRACT The performance of the FCC units plays a major role on the overall economics of refinery plants. Any improvement in operation or control of FCC units will result in dramatic economic benefits. Present studies are concerned with the general behaviour of the industrial FCC plant, and have dealt with the modelling of the FCC units, which are very useful in elucidating the main characteristic...Continue Reading »
50 pages | 405 engagements |
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» ABSTRACT This research work focused on the application of environmental management systems in a soap production plant. An environmental management systems (EMS) is a tool used to implement a structure programme of continual improvement in environmental management system. It is a tool for managing the impacts of organization’s activities in the soap production industry. It provides a structur...Continue Reading »
50 pages | 349 engagements |
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» ABSTRACT This study was initiated as a follow up information on some impounded products tomato puree (Samples A and B) chocolates and candies (Samples C, D, E and F) imported from China, and sold in Nigerian markets. This result as their failure to meet National Agency for food drug administration and control (NAFDAC) regulatory standard. Samples A, B, C, D, E and F were collected in five markets ...Continue Reading »
50 pages | 405 engagements |
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» ABSTRACT The Pulverized stem bark of Indigofera arrectawas exhaustively extracted with methanol and concentrated in vacuo using rotary evaporator at 40 0C.The extract was later subjected to solvent partitioning to yield soluble extracts of n hexane, ethyl acetate, chloroform, and methanol. Genernal phytochemical screening of the fractions revealed the presence of secondary metabolites such as card...Continue Reading »
50 pages | 364 engagements |
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» PROBLEMS SITED Most products prescribed or produced by Dentist are intended to beautify our smile line and is sold everywhere in pharmacies around us. The major challenge with most of these products is that they contain chemicals that can damage our teeth and ultimately lead eroding the enamel on our teeth. Even professional whitening performed by a dentist can lead to painful sensitivity, and the...Continue Reading »
50 pages | 340 engagements |