Antioxidative Property of Soursop Leaf Extract

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ANTIOXIDATIVE PROPERTY OF SOURSOP LEAF EXTRACT

A Research Proposal
Presented to
The Faculty of University of Baguio
Science High School

In Partial Fulfillment
Of the Requirements for the Subject
Research III

Quimson, Crystal Ivy O.
Osias, Dymphna Xel D.
Choi, Brian

March 2012

TABLE OF CONTENTS Title page. . . . . . . . . . . . . . . . . . . . . . . . i Table of contents. . . . . . . . . . . . . . . . . . . . ii
CHAPTER I: THE PROBLEM Background of the Study . . . . . . . . . . . . . . . . . 1 Significance of the Study . . . . . . . . . . . . . . . . 2 Review of Related Literature . . . . . . . . . . . . . . .3 Research Paradigm . . . . . . . . . . . . . . . . . . . . 7 Theoretical / Conceptual Framework . . . . . . . . . . . .8 Statement of the Problem and Hypothesis . . . . . . . . . 9 Scope and Delimitation . . . . . . . . . . . . . . . . . 11
CHAPTER II: DESIGN AND METHODOLOGY Research Design . . . . . . . . . . . . . . . . . . . . 12 Data Gathering Tool . . . . . . . . . . . . . . . . . . 12 Data Gathering Procedure . . . . . . . . . . . . . . . . 13 Bibliography . . . . . . . . . . . . . . . . . . . . . . 15

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1
CHAPTER I
INTRODUCTION
Background of the Study Soursop or Guyabano, scientifically known as Annona Muricata Linn, is nutritionally rich in carbohydrates, notably fructose. Guyabano fruit grows from 7 up to 20 centimeters long, they are heart-shaped with pointed tip and form a cone-shaped mass of many carpels that conforms the body of the fruit. It contains indicative amount of rich vitamins such as Vitamin C, Vitamin B1, Vitamin B2, Potassium, and dietary fiber but are deficient in Vitamins A, calcium, and phosphorus(Fauzi, 2011). Soursop is a broad spectrum of for anti-microbial agent, it profounds high blood pressure and is used for depression, stress, and nervous disorders(Reams, 2011). The researchers decided to conduct an experiment about the antioxidant activity of Soursop. Various researches show that the Soursop is



Bibliography: Y, Yul. (June 7, 2011) “Guyabano Health and other benefits: Powerful cancer cure” Retrieved 2011. From the website: http://everything-article.com/guyabano-health-and-other-benefits-powerful-cancer-cure/ Alibi Productions .(2011) A, Khaidatul. (April 2009) “Physical Properties of Soursop (Annona Muricata) Powder produced by spray drying“. From the website: http://umpir.ump.edu.my/917/1/Khaidatul_Hasni_Mohamad_Alias .pdf Admin (August 17, 2010) “Guyabano/Soursop” Health Maximizer (August 29, 2010) “Guyabano, The Soursop Fruit”. From the website: http://healthmaxim.com/2010/08/guyabano-the-soursop-fruit/ Rodrigo, S Admin (2012) “What research shows on Soursop”. From the website: http://www.soursopgraviola.com/research-on-soursop-cancer-benefits.html Admin (1999) “Soursop Cancer Cures” Retrieved 2012 Academic Journals (April 18, 2011). “Chemical composition and in vitro antioxidant properties of essential oil of Ricinus communis L.” Retrieved 2012. From the website: http://academicjournals.org/jmpr/PDF/pdf2011/18April/Kadri%20et%20al.pdf Admin Middleton, E. & Kandaswami C. 1994. The impact of plant flavonoids on mammalian biology: implications for immunity, inflammation and cancer. In The flavonoids: advances in research since. London, UK: Chapman and Hall, 619–620.From the website: 18 Reams, C. (2011). Graviola: Cancer Killer. From the website: http://www.whale.to/cancer/graviola.html Fauzi, A

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