DETERMINATION OF PROXIMATE COMPOSITION OF LEMON GRASS

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DETERMINATION OF PROXIMATE COMPOSITION OF LEMON GRASS

CHAPTER ONE

INTRODUCTION

1.1 BACKGROUND OF THE STUDY

Lemon grass (Cymbopogan Citratus) is aromatic perennial tall grass with rhizomes and densely tufted fibrous root. From afar, the plant looks like a huge, large tuft of grass with slender and stiff stems. As its name suggests, lemon grass has a strong alluring, citrusy or lemon fragrance with grassy note and a hint of ginger-like spices. The plant is a native herb from India and is cultivated in other tropical and subtropical countries (Figuerinha et al, 2008, Mehraban et al, 2005).

The extracted oil of Cymbopogon Citratus is already in use by the pharmaceutical industries as a source of new phytochemical molecule for the development of new drugs. Previous studies on the leaf extracted oil of lemon grass revealed, antitityrosinase and antioxidant activities in human cell (Saeio et al, 2011), anti-inflammatory in rats (Gebou et al, 2013), anti-carcinogenic effect and cholesterol reduction in human (Costa et al, 2011, Bidinotto et al, 2012)

Lemon grass is of west Indian origin and yields an essential oil with high content of citral (>70%) (Paranagama, 2003, Handique and Singh, 1990).

STATEMENT OF THE PROBLEM

Previous studies on the leaf extracted oil of lemon grass revealed, antitityrosinase and antioxidant activities in human cell (Saeio et al, 2011), anti-inflammatory in rats ( Gebou et al, 2013), anti-carcinogenic effect and cholesterol reduction in human ( Costaet al, 2011, Bidinottoet al, 2012)

Furthermore, many studies have reported the antimicrobial activity of lemon grass oil originating from different parts of the globe against adverse range of micro-organism comprising Gram positive and Gram negative bacteria, yeast and fungi, namely Bacillus cereus, bacillus subtilis, Escherichia Coli, kolebsiella pneumonia( Naik et al, 2010).

RESEARCH OBJECTIVES

To understand the determination of proximate composition of lemon grass
To understand the importance of the application of proximate composition of lemon grass.

RESEARCH QUESTIONS