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SYNTHESIS OF SILVER NANOPARTICLES OF Moringa oleifera (DRUM STICK) LEAF EXTRACT

Table of contents

CHAPTER ONE: Introduction                                                                                              1

1.1       Background to the Study                                                                                           1

1.2       Aim of the Study                                                                                                        2

CHAPTER TWO: Literature Review                                                                                     3

2.1       Botanical Description of Moringa                                                                              3

2.2       Phytochemical Present in Moringa                                                                             4

CHAPTER THREE: Materials and Method                                                                          11

3.0       Sample Collection and Preparation                                                                            11

3.2        Equipments And Solvent Used                                                                                  11

3.3        Preparation Of Leaf Extract                                                                                       11

3.4       Extraction Process                                                                                                      11

3.4.1    Cold extraction                                                                                                           11 

3.5       Preparation of Metal Salt Solution                                                                             12

3.6       Green Synthesis of Silver Nanoparticles                                                                    12

3.7       Preparation of Nanoparticles of Leaf Extract                                                             12

3.8       Nanoparticles Formation                                                                                             13

CHAPTER FOUR: Results                                                                        14

4.1. Interpretation of Ft-Ir Spectra of Moringa Oleifera Leaves and their Complexes          14

CHAPTER FIVE: Discussion and Conclusion                                                                      22

5.1       Discussion                                                                                                                   22

5.2    Conclusion                                                                                                                     22

References                                                                                                                              24

LIST OF TABLES

TABLE          TITLE                                                                                                PAGES

1          Phytoconstituents of Moringa oleifera Lam                                                               7

4.1.1    FT-IR spectra of Moringa oleifera in distilled water and AgNO3 nanoparticle         14

4.1.2    FT-IR spectra of Moringa oleifera in Ethanol and AgNO3 nanoparticles.                 16

4.1.3    FT-IR spectra of Moringa oleifera in acetone and AgNO3 nanoparticles.                  18

LIST OF FIGURES

FIGURES      TITLE                                                                                                PAGES

1 Structure of phytoconstituents from moringa oleifera                                                         6

Abstract

Moringa oleifera is a plant that is commonly consumed as a nutritional supplement by some communities Africa. Contamination of moringa with toxic heavy metals could be deadly for consumers. However, some metal elements are essential for consumption in trace amounts. This study is an experiment on metal complexes on Moringa oliefera leaf extract.

            The solvent used were acetone, ethanol and water. The reagent was 0.171M AgNO3. The ethanol and AgNO3 nanoparticle were characterized using FTIR spectra. Cold extraction process was used for the extraction process.

            In this study, the spectrum shows O-H stretching due to the presence of an alcohol, the C=C weak is due to the Presence of an ketomes, the C=O bending is due to the presence of an carboxyl of ketome alkene. Also, the spectrum shows O=H stretching due to the presence of an alcohol, the C-H stretching is due to the presence of an alkane while the C=O stretching is due to the presence of an alkene.

            It was concluded that IR spectrum of the nanoparticles occurred as a result of silver nanoparticles between the metal salt (Ag+) and Moringa oleifera leaves extract because of the absorbance indicating different ranges of the metal salt in the plant extract.

Keywords: Moringa oleifera, Silver nanoparticle, FTIR Spectrum, Ethanol, Water.

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