Feasibility of Guyabano (Annona muricata) as mouthwash

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CHAPTER I INTRODUCTION Bad breath is one of the serious problems in the world especially those people who are unaware that they are adding bacteria in their mouth and became worse in the future. Researchers from the Institute of Dentistry at Queen Mary, University of London, discovered that dental problems affect up to 3.9 billion people -- more than half of the world's population. According to World Health Organization, Risk factors for oral diseases include an unhealthy diet, tobacco use, harmful alcohol use and poor oral hygiene, and social determinants. According to the results of the 2009 Global Adult Tobacco Survey (GATS), almost half (48 percent or 14.6 million) of adult males and 9 percent (2.8 million) of adult females are…show more content…
aureus, V. cholerae and E. coli isolated from the whiteleg shrimp, Litopenaeusvannmaei, was detected in aqueous and ethanolic extracts of moringa. E. coli isolated from tilapiafish, Oreochromisniloticus, was sensitive to the ethanolic extract of moringa. The aqueous extracts of soursop showed an antibacterial effect against S. aureus and V. cholerae, but the antibacterial activity by the ethanol extracts of this plant was not demonstrated (Viera et al, 2010). The leaves of guyabano have an alcoholic extract which yields a small amount of an essential oil.This essential oil possesses a strong somewhat agreeable odor. The extract, on the other hand,contains potassium chloride as well as dextrose, tannin, amorphous products and non-crystallizable alkaloid substance. This alkaloid substance in the bark was found to be poisonous when crude (Quisumbing, 1951). Anonamuricata L. is known to have antimicrobial properties (Taylor, 2005). Guyabano possesses antibacterial, antifungal and antiviral properties. Ethanolic extract of guyabanowas demonstrated to have inhibitory activity against cytopathic effects of Herpes simplex virus-1(Padma et al.,1998). Various extracts from the stem, bark and leaf of Anonamuricata have exhibited antibacterial activity against numerous microorganisms such as Plasmodium falciparum, Escherichia coli, Pseudomonas aeruginosa, Shigellaflexneri, Staphylococcus aureus, Staphylococcus albus, Salmonella typhosa, Salmonella newport, and

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