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Investigatory Project in Biology

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Investigatory Project in Biology

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  • November 2012
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ANTIMICROBIAL ACTIVITY OF CHILI (CAPSICUM ANNUM) EXTRACT

An Investigatory Research

Presented to

Mrs.

Presented by

CHAPTER I INTRODUCTION

Background of the Study

. Capsicum annuum is a domesticated species of the plant genus Capsicum native to southern North America and northern South America. Chili has been a part of the human diet in the Americas since at least 7500 BC. There is archaeological evidence at sites located in southwestern Ecuador that chili peppers were domesticated more than 6000 years ago and is one of the first cultivated crops in the Central and South Americas that is self-pollinating. The plant is a perennial, but usually grown as an annual, with a densely branched stem. The plant reaches 0.5–1.5 m (20–60 in). The species is a source of popular sweet peppers and hot chili fruit, and numerous varieties are cultivated around the world. Despite being a single species, Capsicum annuum has many cultivars, with a variety of names. In American English it is commonly known as a chili pepper or bell pepper. Hot peppers are used in medicine as well as food in Africa. It is employed in medicine, in combination with Cinchona in intermittent and lethargic affections, and also in atonic gout, dyspepsia accompanied by flatulence, tympanitis, paralysis etc. Its most valuable application appears however to be in cynanche maligna and scarlatina maligna, used either as a gargle or administered internally. In this research, antimicrobial activity of chili will be studied. Certain bacteria and fungal species will be the focus of the experiment. Bacteria such as Staphylococcus aureus and fungi like Trichophyton rubrum

Statement of the Problem

The main problem of this study is to determine the antimicrobial activity of chili (Capsicum annum) extract. This study also...