Guava Leaves Extract for Skin Infections

Guava Leaves Extract (Component in making soap) treatment for acne [Bathing Soap]
Chapter I:

Background of the study:

Nowadays people are focusing in herbal plants especially those who are common in the environment. One of the example is the guava plant (Psidium guajava Linn). Based on research this plant is good for healing and treating wounds and other skin infections. So in my research I wan't to make a bathing soap out of it, cause I know that it is effective. People, researchers, scientists were focusing to medicinal plants. They want to prove that there are plants that are more effective against diseases especially in skin. This study refers to a plant that can be made into a bathing soap and improves its quality while using this plant (guava leaves). I want people to handle easily in treating their skin disorders. Instead of boiling the leaves, now it’s easy to apply. Boiling takes much time.

Statement of the Problem:

I stated that Guava leaves extract is good for skin. Based on my research, it has many constituents that is good for skin.

It answers the following questions:

* Is there any constituents of guave leaves that is good for skin?

* What are those?

* It can really treat skin disorders/ Acne?

Hypothesis:

* Guava leaves is good treatment for acne.

* It has many components or constituents.

* Constituents that is good for skin disorders, especially for acnies.

Significance of the Study:

You can make a bathing soap with guave leaves extract as treatment for acne. This plant is very common to our environment, and aside of its avaibility; it is easy to cultivate. It contains many components for healing skin disorders.

Scope and Limitation:

The study of guava leaves and getting their extract is often useful. It has the ability to treat, cure, disinfect skin disorders and capable of being a herbal plant for acnes.

Definition of Terms

Astringent- antiseptic properties
Decoction- infusion of fresh leaves used for wound

References: Suntornsuk, L., et al. “Quantitation of vitamin C content in herbal juice using direct titration.” J. Pharm. Biomed. Anal. 2002; 28(5): 849-55. Jimenez-Escrig, A., et al. “Guava fruit (Psidium guajava L.) as a new source of antioxidant dietary fiber.” J. Agric. Food Chem. 2001; 49(11): 5489-93. Smith, Nigel J. H., et al. Tropical Forests and their Crops. London: Cornell University Press. 1992. Arima, H., et al. “Isolation of antimicrobial compounds from guava (Psidium guajava L.) and their structural elucidation.” Biosci. Biotechnol. Biochem. 2002; 66(8): 1727-30. Morales, M. A., et al. “Calcium-antagonist effect of quercetin and its relation with the spasmolytic properties of Psidium guajava L.” Arch. Med. Res. 1994; 25(1): 17-21. Lozoya, X., et al. “Quercetin glycosides in Psidium guajava L. leaves and determination of a spasmolytic principle.” Arch. Med. Res. 1994; 25(1): 11-5. Lozoya, X., et al. “Intestinal anti-spasmodic effect of a phytodrug of Psidium guajava folia in the treatment of acute diarrheic disease.” J. Ethnopharmacol. 2002; 83(1-2): 19-24. Lozoya, X., et al. “Model of intraluminal perfusion of the guinea pig ileum in vitro in the study of the antidiarrheal properties of the guava (Psidium guajava).” Arch. Invest. Med. (Mex). 1990; 21(2): 155-62. Almeida, C. E., et al. “Analysis of antidiarrhoeic effect of plants used in popular medicine.” Rev. Saude Publica. 1995; 29(6): 428-33. Lin, J., et al. “Anti-diarrhoeal evaluation of some medicinal plants used by Zulu traditional healers.” J. Ethnopharmacol. 2002; 79(1): 53-6. Lutterodt, G. D. “Inhibition of Microlax-induced experimental diarrhea with narcotic-like extracts of Psidium guajava leaf in rats.” J. Ethnopharmacol. 1992; 37(2): 151-7. Lutterodt, G. D. “Inhibition of gastrointestinal release of acetylcholine by quercetin as a possible mode of action of Psidium guajava leaf extracts in the treatment of acute diarrhoeal disease.” J. Ethnopharmcol. 1989; 25(3): 235-47. Coutino-Rodriguez, R., et al, “Lectins in fruits having gastrointestinal activity: their participation in the hemagglutinating property of Escherichia coli O157:H7.” Arch. Med. Res. 2001; 32(4): 251-7. Caceres, A., et al. “Plants used in Guatemala for the treatment of gastrointestinal disorders. 1. Screening of 84 plants against enterobacteria.” J. Ethnopharmacol. 1990; 30(1): 55-73. Garcia, S., et al, “Inhibition of growth, enterotoxin production, and spore formation of Clostridium perfringens by extracts of medicinal plants.” J. Food Prot. 2002; 65(10): 1667-9. Tona, L., et al. “Antiamoebic and phytochemical screening of some Congolese medicinal plants.” J. Ethnopharmacol. 1998; 61(1): 57-65. Nundkumar, N., et al. “Studies on the antiplasmodial properties of some South African medicinal plants used as antimalarial remedies in Zulu folk medicine.” Methods Find Exp. Clin. Pharmacol. 2002; 24(7): 397-401. Singh, R. B., et al. “Can guava fruit intake decrease blood pressure and blood lipids?” J. Hum Hypertens. 1993; 7(1): 33-8. Singh, R. B., et al. “Effects of guava intake on serum total and high-density lipoprotein cholesterol levels and on systemic blood pressure.” Am. J. Cardiol. 1992; 70(15): 1287-91. Shaheen, H. M., et al. “Effect of Psidium guajava leaves on some aspects of the central nervous system in mice.” Phytother. Res. 2000; 14(2): 107-11. Lutterodt, G. D., et al. “Effects on mice locomotor activity of a narcotic-like principle from Psidium guajava leaves.” J. Ethnopharmacol. 1988; 24(2-3): 219-31. Jaiarj, P., et al. “Anticough and antimicrobial activities of Psidium guajava Linn. leaf extract.” J. Ethnopharmacol. 1999; 67(2): 203-12. Cheng, J. T., et al. “Hypoglycemic effect of guava juice in mice and human subjects.” Am. J. Clin. Med. 1983; 11(1-4): 74-6. Roman-Ramos, R., et al. "Anti-hyperglycemic effect of some edible plants." J. Ethnopharmacol. 1995.