Natural & Applied Sciences

Research Papers/Topics in Natural & Applied Sciences

PROXIMATE AND CHEMICAL CHARACTERIZATION OF AFRICAN ELEMI NUTS

ABSTRACT The proximate compositions of African elemi nut were investigated by analyzing the moisture content, crude fat, ash content, crude fibre, crude protein and total carbohydrates in the nut. The associations of official analytical chemist (AOAC, 2000) methods were used. The values obtained from the proximate analysis were; moisture content (28.79%), ash (3.41%), crude fiber (2.84%), fat (30.42%), protein (8.40%), carbohydrate (26.14%). The GC-MS characterization revealed th...

AN INVESTIGATION INTO THE EFFECT OF FLOOD ON RADIOACTIVITY LEVEL OF WATER SEDIMENT IN MAKURDI RIVER BENUE STATE

In this work, the radiation monitor 4/4EC was used to measure radiations. The radiations in seven different locations were monitored and measured. The mean of all the readings were taken and subtracted from the background radiation and the radiological survey of the Makurdi River at seven different locations showed no gamma, beta and alpha measurements above typical background levels (5 to 25 at random intervals). The expected dose equivalence of the samples are within acceptable dose ...

EXTRACTION AND ISOLATION OF ALKALOIDS FROM ASYSTASIA GANGETICA (CHINESE VIOLET)

ABSTRACT Alkaloids are bioactive material mainly obtained from plant with pharmacological activities of one kind or another. The main aim of the present study was to extract and isolate alkaloid from Asystasia gangetica. The extraction of alkaloids from Asystasia gangetica was carried out with methanol using Soxhlet apparatus. Isolation was then followed by fractionating using acid and base in a separating funnel. The percentage alkaloid was determined and the phytochemicals screening ...

The use of Grimmen clay (TS-136) as a substitute for Geopolymer cement component``(Green Concrete)

AbstractThe term Geopolymer was introduced to represent the mineral polymers resulting from geochemistry. The process involves a chemical reaction under highly alkaline conditions on Si-Al minerals, yielding polymeric Si-O-Al-O bonds in amorphous form. The actual compressive strength of the concrete depends on various parameters such as the ratio of the activator solution to fly ash, molarity of the alkaline solution, ratio of the activator chemicals, curing temperature etc. In recent years, ...

EFFECT OF SWIMMING TRAINING ON COGNITIVE FUNCTION IN SCOPOLAMINE INDUCED DEMENTIA IN MICE.

ABSTRACTThe present study investigated the effects of a 2-week swimming exercise on scopolamine-induced dementia in a mice model. Thirty-two mice, were randomly divided into four groups (8 rats in each). Group A served as control without exercise and received saline only; Group B served as induced control and receive a single dose of scopolamine (1 mg/kg, i.p.) only on the last day; group C mice were subjected to short-term exercise (swimming) + single dose of scopolamine (1 mg/kg, i.p.) on t...

OPTIMIZING THE MOVEMENT OF PEOPLE AND GOODS IN A LOCAL COMMUNITY USING TRANSPORTATION MODEL

Transportation problem is one of the real regions of utilization of linearprogramming, in this paper, we would take a gander at how to upgrade the separation andtime taken to make a trip starting with one point then onto the next in a Local community,with Otta Local government area as our concentration, utilizing the transportation display.Having the capacity to accomplish this accomplishment would improve the developmentof individuals and merchandise inside the organization by sparing time a...

Essential Oils and Fatty Acids Composition of Dry Fruits of Tetrapleura tetraptera

ABSTRACT: The composition of essential oil and fatty acids of dry fruits of Tetrapleura tetraptera were analyzed by GC/MS. Forty-four compounds representing 98.5% of the essential oil were characterized. The essential oil was dominated by acetic acid (34.59%), 2-hydroxy-3- butanone (18.25%), butanoic acid (8.35%), 2-methyl butanoic acid (7.58%), 2-methyl butanol (7.45%), butanol (4.30%), 2-methyl butenoic acid (3.65%) and Nerol (3.25%). The fatty acid was dominated by palmitic acid (49.4...

Effect of Leaf-Type on the Nutritive and Organoleptic Properties of Ogiri-Egusi (Fermented Citrullus vulgaris) Seeds

ABSTRACT---- The effect of wrapping type on the nutritive and organoleptic properties of Ogiri-egusi (fermented Citrullus vulgaris) seeds was studied. The leaves used were miracle fruit leaves (Thaumatococcus danellii), cocoyam leaves (Colocasia spp), and banana leaves (Musa sapientum). The melon seeds were hulled, sorted and washed, boiled for 4h, ground and then wrapped in small portions in different leaf-types and fermented for five days. Proximate analysis and sensory evaluation were ...

Determination of Polycyclic Aromatic Hydrocarbons(PAHs) in Soils of Selected Farmland Cleared By Bush Burning

ABSTRACTPolycyclic Aromatic Hydrocarbons are some of the known organic pollutants resulting from incomplete combustion of organic matter. They have been found to be carcinogenic, mutagenic and teratogenic. Much of the previous works on Polycyclic Aromatic Hydrocarbons have been on foods, water, dumpsites and on soil generally. However, this study focuses particularly on soils contaminated with Polycyclic Aromatic Hydrocarbons as a result of a widely used agricultural practice of farmland clea...

Evaluation of Nutritional and Anti-nutritional Compositions of Leaves of Gingko biloba (Maiden Hair) Tree Found in Nigeria.

ABSTRACTGinkgo biloba (GB) leaves and extracts have been recognized worldwide for its renowned nutritional and medicinal properties. GB tree is highly grown and used in Asian and South American countries unlike Nigeria. In this study, we examined the nutritional and anti-nutritional compositions of GB leaves (whole dried, and aqueous and ethanol extracts) grown in Nigeria. Association of Official Analytical Chemists (AOAC) method was used to determine the proximate and vitamin compositions wh...

PRELIMINARY DETERMINATION OF THE ACTIVE COMPONENTS IN BITTER LEAF ROOT (VERNONIA AMYGDALINA) EXTRACTS IN THE TREATMENT OF DIABETES MELLITUS

ABSTRACT This research work is on the preliminary determination of active components in bitter leaf root (vernonia amygdalina) in the treatment of diabetes. Deficiency of hormone (insulin) causes diabetes mellitus, a disease due to too much of sugar being present in the blood. This is because without insulin in the body, the result is that sugar is extracted in the urine. Consequently, fat and proteins are readily converted to carbohydrates and finally, glucose eventually. The body re...

Application of Graph Algorithm in solving Network Routing Problem

SOURCE CODE INCLUDEDABSTRACTIn the fundamental operation in computer science, Graph algorithm is a great tool used to solve problems related to graph theory and this algorithms have wide applications in solving routing problems. For the purpose of this project four algorithms from the many types of graph algorithms were selected which are Dijkstra’s, Bellman-Ford, kruskal and prim’s Algorithm and it application in solving network routing problem was discussed and tested using a hypothetic...

Effect of Ocimum gratissimum in fresh tomato preservation

ABSTRACT The ability of leaf powder and leaf extract of Ocimum gratissimum plant to preserve tomatoes (Solanum lycopersicum) from early spoilage was investigated in  this study. Mixed cultures of tomatoes purchased from a  retail outlet in Ogun, Southwestern Nigeria, were treated with  the powder  and  some  with  the  leaf  extract  of  Ocimum  gratissimum  plant  and  observed  for preservation or spoilage ...

On Application of Mathematical Modeling in the Spread of HIV/AIDS Epidemic

Mathematical models here serve as tools for understanding the epidemiology of Human Immunodeficiency Virus (HIV) and Acquired Immunodeficiency Syndrome (AIDS) if they are carefully constructed. The research emphasis is on the epidemiological impacts of AIDS and the rate of spread of HIV/AIDS in any given population through the numericalization of the Basic reproductive rate of infection (R0). Applicable Deterministic models, Classic Endemic Model (SIR), Commercial Sex Workers (CSW) model,...

Dynamic Buckling of a Clamped Finite Column Resting on a Non – linear Elastic Foundation

The analysis of the dynamic buckling of a clamped finite imperfect viscously damped column lying on a quadratic-cubic elastic foundation using the methods of asymptotic and perturbation technique is presented. The proposed governing equation contains two small independent parameters (δ and ϵ) which are used in asymptotic expansions of the relevant variables. The results of the analysis show that the dynamic buckling load of column decreases with its imperfections as well as with the inc...


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