Home / Biology edcuation / EFFECT OF TWO KINDS OF SOLVENT ON CHEMICAL COMPOSITION OF Cymbopogon citratus OIL

EFFECT OF TWO KINDS OF SOLVENT ON CHEMICAL COMPOSITION OF Cymbopogon citratus OIL

 

Table Of Contents


Chapter ONE

1.1 Introduction
1.2 Background of study
1.3 Problem Statement
1.4 Objective of study
1.5 Limitation of study
1.6 Scope of study
1.7 Significance of study
1.8 Structure of the research
1.9 Definition of terms

Chapter TWO

2.1 Overview of Literature Review
2.2 Historical Perspectives
2.3 Theoretical Framework
2.4 Previous Studies
2.5 Conceptual Framework
2.6 Key Concepts
2.7 Current Trends
2.8 Critical Analysis
2.9 Research Gaps
2.10 Summary of Literature Review

Chapter THREE

3.1 Research Methodology Overview
3.2 Research Design
3.3 Sampling Techniques
3.4 Data Collection Methods
3.5 Data Analysis Procedures
3.6 Ethical Considerations
3.7 Research Limitations
3.8 Instrumentation

Chapter FOUR

4.1 Data Analysis Overview
4.2 Descriptive Statistics
4.3 Inferential Statistics
4.4 Qualitative Analysis
4.5 Findings Interpretation
4.6 Comparison of Results
4.7 Discussion of Findings
4.8 Recommendations

Chapter FIVE

5.1 Conclusion and Summary
5.2 Summary of Findings
5.3 Implications of the Study
5.4 Contributions to Knowledge
5.5 Recommendations for Future Research

Project Abstract

ABSTRACT

The leaves of lemongrass (Cymbopogon citratus) were dried using three different drying methods (sun-drying for 36 h, shade-drying for 48 h and oven-drying at 45 °C for 7 h). The essential oil was obtained by hydro-distillation of the leaves dried by every treatment, and was analyzed by capillary GC and GC/mass instruments. Statistical analysis showed significant differences in the essential oil content of leaves dried by different drying methods. Oven drying gave the highest essential oil percentage (2.45%) compared to shade-drying (2.12%) and sun-drying methods (2.10%). Eighteen components were identified in the essential oil of fresh and dried C. citratus leaves obtained by different drying methods, including geranial (citral-a), neral (citral-b) and myrcene as main components. The drying methods had a marked effect on the proportion of the various components.

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