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Bioefficacy Study Of Mosquito Repellent Produced From Ocimum Basilicum Using Aerosol Propellant As Carrier

  • Type:Project
  • Pages:49
  • Format:Microsoft Word
(Science Lab Technology Project Topics & Materials)
ABSTRACT
Mosquito borne disease is a major public health problem globally, particularly the tropics being the major spot in the spread of malaria. The development of resistance to chemical insecticides has necessitated the research and development of natural mosquito repellent. The aim of this study is to extract, characterize and test the larvicidal activity of essential oil, produce mosquito repellent using the essential oil as its active ingredient and study the bioefficacy of the produced repellent on mosquito. 200g of Ocimum basilicum was extracted by soxhlet extraction method using n-hexane as solvent and percentage yield of the extract was calculated and found to be 12.85%. The essential oil extracted was characterized using FTIR and GC-MS. Production of mosquito repellent, larvicidal activity of essential oil and bioefficacy study of mosquito repellent were conducted. The FTIR spectral indicated the presence of C=O, C=C, C-H and O-H functional groups. GC-MS study showed 12 prominent peaks with retention time of 5.756, 5.914, 10.486, 16.871,17.947, 19.883, 19.974, 20.807, 21.020, 21.231, 21.712 and 22.008 indicating the presence of twelve phyto-constituents namely: 2,4-pentadienoic acid, butanedioic acid hydroxyl-dimetyl ester, pentanedioic acid 3-oxo-dimethyl ester, palmitic acid methyl ester, stearic acid, 13-tetradece-11-yn-1-ol, 9-octadecenoic acid methyl ester, 9-octadecenoic acid (Z), hexadecanoic acid, 9,12-octadecadien-1-ol (Z,Z), 9,12-octadecadienoic acid methyl ester and E-9-tetradecenoic acid. The essential oil showed larvicidal activity on Anopheles mosquito larva at concentration of 3ml/L, 4ml/L and 5ml/L. The mosquito repellent produced showed increasing repellent efficacy against adult Anopheles mosquitoes with increasing concentration of the essential oil. Hence it was concluded that  Ocimum basilicum has a good efficacy as a repellent to Anopheles mosquitoes when used as active ingredient. The FTIR spectral reveal the presence of functional groups present in the essential oil which correlates with phyto-constituent identified by GC-MS characterization, with 9-octadecenoic (14.62%) having the highest % composition.

CHAPTER ONE
1.0 Introduction 1
1.1 Aim and objectives 4

CHAPTER TWO
2.0 Literature review 5
2.1 Mosquito 5
2.2 Malaria 7
2.3 Epidemiology malaria in Nigeria 9
2.4 Mosquito control methods 10
2.4.1 Chemical control methods 10
2.4.2 Non-chemical control methods 10
2.4.3 Mechanical control methods 12
2.4.4 Biological control methods 13
2.5 Mosquito Repellent 13
2.5.1 Classification of mosquito repellents 13
2.5.2 Synthetic repellents 14
2.5.3 Natural repellents 15
2.5.4 Mechanism of action of mosquito repellents 16
2.6 Secondary Metabolite 17
2.7 Essential Oil 18
2.8 Basil leaves 20
2.8.1 Taxonomy and scientific classification of basil 22
2.8.2 Ecology and distribution of Ocimum basilicum 22
2.8.3 Medicinal uses of Ocimum basilicum 23
2.9 Aerosol 24
2.9.1 Propellant 25
2.9.2 Types of propellant 25

CHAPTER THREE
3.0 Materials and methodology 27
3.1 Materials 27
3.2 Collection and identification of plant samples 27
3.3 Extraction process 28
3.4 FTIR analysis of the essential oil extracted 28
3.5 GC-MS analysis of the essential oil extracted 29
3.6 Production of mosquito repellent 29
3.7 Larvicidal activity of essential oil from basil 30
3.8 Breeding and bioefficacy testing of the mosquito 
repellent produced 30

CHAPTER FOUR
4.0 Results 31

CHAPTER FIVE
5.0 Discussion, conclusion and recommendation 37
5.1 Discussion 37
5.2 Conclusion 38
5.3 Recommendation 39
  References 40

Bioefficacy Study Of Mosquito Repellent Produced From Ocimum Basilicum Using Aerosol Propellant As Carrier

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Details

Type Project
Department Science Lab Technology
Project ID SLT0133
Price ₦3,000 ($9)
No of Pages 49 Pages
Format Microsoft Word

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    Details

    Type Project
    Department Science Lab Technology
    Project ID SLT0133
    Price ₦3,000 ($9)
    No of Pages 49 Pages
    Format Microsoft Word

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