BULLYING

Topics: Staphylococcus aureus, Bacteria, Escherichia coli Pages: 17 (2260 words) Published: August 2, 2014
ATIS (ANONA SQUAMOSA LINN) LEAVES EXTRACT AS AN ANTIBACTERIAL AGENT AGAINST ESCHERICHIA COLI AND STRAPHYLOCOCCUS AUREUS

An undergraduate Thesis proposal presented to the faculty of Honorato C. Perez Sr., Memorial Science High School
Mabini Extension, Cabanatuan City

In Partial Fulfillment of the Requirements for the subject
SCIENCE RESEARCH II

EUSEBIO, KHRISTINE MYRA G.
RIVERA, ELLA JESSAMINE T.
STA. MARIA, ROUMEINA LYN FELIZE

JANUARY, 2011
INTRODUCTION
Annona squamosa Linn, sweetsop or commonly known as atis in the Philippines, is a well-liked fruit in the country. The fruit is known for its sweet taste and the knobby polygonal tubercles as its figure. The Atis (Annona squamosa Linn) is one fruit you can easily grow even if you have only a square meter of soil. The Atis (Annona squamosa Linn) tree grows just about anywhere a seed falls. And it grows so fast that you can get to harvest fruits in a little over a year from seedling stage. The tree bears fruit about three times a year: in the summer, rainy season and towards Christmas. The best batch of fruits, those with thicker and sweeter flesh comes out in the summer. Regrettably, the Atis (Annona squamosa Linn) tree leaves were not given the adequate attention.

Current types of bacteria are the pathogenic bacteria in humans and animals and the pathogenic bacteria in plants. Some of the pathogenic bacteria in humans and animals are the Escherichia coli and Staphylococcus aureus.These pathogenic bacteria are the familiar causes of diarrhea, bloody diarrhea, sometimes nausea and vomiting. The said bacteria may occasionally lead to long term illnesses or death.

Given that Atis (Annona squamosa Linn) leaves are presently available, we should take advantage of the other valued traits. The leaves of the Atis (Annona squamosa Linn) should have some noteworthy utilization in our present world. The common pathogens should also have their additional treatments aside from the current available antibiotics. Which is why it is deemed necessary to carry out this research study entitled “Atis (Annona squamosa Linn) Leaves Extarct as an Antimicrobial Agent against Escherichia coli and Straphylococcus aureus.”

Statement of the Problem
This study aimed to distinguish if the extracts of Atis (Anonas squamosa Linn) leaves would be an acceptable antimicrobial agent. Specifically, this study aims to answer the following questions: 1. Will the examined results show that the extract of Atis (Anonas squamosa Linn) leaves be a potential antimicrobial agent against Escherichia coli and Staphylococcus aureus? 2. Can the extracted Atis (Anonas squamosa Linn) leaves inhibit the growth of Escherichia coli and Staphylococcus? 3. Will there be comparative results concerning the time intervals of the treatment?

Hypotheses
The following hypotheses were affirmed in null form:
1. The examined results will not show that the extracts of Atis (Anonas squamosa Linn) leaves are a potential antimicrobial agent against Escherichia coli and Staphylococcus aureus. 2. The extracted Atis (Anonas squamosa Linn) leaves cannot inhibit the growth of Escherichia coli and Staphylococcus aureus. 3. There will be no comparative results concerning the time intervals of the treatment.

Significance of the Study
This research study aims to determine if the extracts of Atis (Anonas squamosa Linn) leaves is a probable antimicrobial agent against Escherichia coli and Staphylococcus aureus.
To the Community: This study benefits the economy at micro level by maximizing the use of the Atis (Anonas squamosa Linn).
To the School: This study helps the school support one of its goals: to develop future scientists and bright researchers.
To the Environment: It gave the Atis (Annona squamosa Linn) leaves a more functional application and not just have it growind without a helpful utilization.
To the Industry: The extracted fluid are believed to be more convenient showing its...
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