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Family Myrtaceae
Psidium guajava Linn.

Fan shi liu

Scientific names Common names
Psidium guajava Linn. Bagabas (Ig.) 
Psidium cujavus Linn. Bayabas (Ilk., Tag.)
Psidium aromaticum Blanco Bayabo (Ibn.) 
Psidium pyriferum Linn. Bayauas (Bik., Pang.) 
Psidium pomiferum Linn. Bayawas (Bik.)
Guajava pyrifera (l.) Kuntz. Biabas (Sul.)
Guajava pyriformis Gaertn. Gaiyabat (If.) 
  Gaiyabit (If.)
  Geyabas (Bon.) 
  Guayabas (Tag.)
  Guyabas(Ilk., Tag.) 
  Kalimbahin (Tag.)  
  Tayabas (Tag.) 
  Guava (Engl.)
  Round guava (Engl.)
  Tropical guava (Engl.)
  Fan shi liu (Chin.)

Other vernacular names
ARABIC: Gawafa, Guwâfah safrâ.
BENGALI: Pearah, Peyaaraa.
BURMESE: Malakapen.
CATALAN: Guaiaber.
CHINESE: Fan tao.
DANISH: Guava.
FRENCH: Gouyave, Goyave, Goyavier, Goyavier commun.
GERMAN: Echte Guave, Guajave, Guave, Guayave, Grosse Gelbe Guajave.
GUJARATI: Piyaaraa.
HAUSA: Gûway bâ .
HINDI: Amaruud.
ITALIAN: Guiava, Guiavo, Psidio, Pero dell' Indie.
JAPANESE: Banjirou, Guaba.
KHMER: Trapaek sruk.
NEPALESE: Amaruud, Ambaa, Ambaka.
POLISH: Gujawa.
PORTUGUESE: Araçá, Araçá-guaçu, Araçaíba, Aaraçá-mirim, Araçá-uaçu, Goiaba, Goiabeira, Goiabeira-branca, Goiabeira-vermelha, Guaiaba.
RUSSIAN: Guaiava, Guava, Psidium guaiava.

SPANISH: Arazá, Arrayan, Bimpish, Guayaba, Guayaba del Perú, Guayaba dulce, Guayabo, Guayabero, Hurapo, Luma, Matos, Pichi, Sahuinto.

SWEDISH: Guava, Guavaträd.
TAMIL: Farang, Dton farang.
TELUGU: Jama kaya.
ZULU: Ugwava.

Bayabas is a somewhat hairy plant reaching a height of 8 meters. Young branches are 4-angled. Leaves are opposite, oblong to elliptic, and 5 to 1 centimeters long, the apex being pointed, and the base usually rounded. Peduncles are 1- to 3-flowered. Flowers are white, 3 to 3.5 centimeters across, with in-curved petals, coming out solitary or two to three in the leaf axils. Numerous stamens form the attractive part of the flower. Inferior ovaries develop into round or obovoid green fruits 4 to 9 centimeters long, turning yellow on ripening and have edible, aromatic, seedy pulp.

- Widely distributed throughout the Philippines in all islands and provinces.
- Common in backyards and settled areas.
- In thickets and secondary forests at low altitudes, ascending to at least 1,500 meters.
- Introduced from tropical America.
- Thoroughly naturalized.

- Pantropic in distribution.

- Phytochemical screening yielded alkaloids, flavonoids, glycosides, polyphenols, reducing compounds, saponins and tannins.
- Leaf products have isolated more than 20 compounds, including alkaloids, anthocyanins, carotenoids, essential oils, fatty acids, lectins, phenols, saponins, tannins, triterpenes, and vitamin C.
- Leaves contain a fixed oil (6%) and volatile oil (0.365%).
- Fixed oil, 6%; volatile (essential) oil, 0.365%; eugenol; tannin 8-15%; saponins; amydalin; phenolic acids; malic acid; ash, aldehydes.
- Fruit contains "glykosen" 4.14 to 4.3%, saccharose 1.62 to 3.4 %, protein 0.3%, etc.
- Bark contains 12 to 30% tannin. Roots are also rich in tannin.
- Contains catequinic components and flavonoids.
- Major constituents of leaves are tannins, ß-sitosterol, maslinic acid, essential oils, triterpenoids and flavonoids.

- Chloroform-methanol extracted lipids of guava seeds was 9.1% on a dry weight basis. Analysis yielded 12 fatty acids, with a pattern similar to cottonseed oil. Protein content of seeds was 9.73% on a dry weight basis. (26)

- Antidiarrheal, antiseptic, antispasmodic, antioxidant hepatoprotective, anti-allergy, antimicrobial, antigenotoxic, antiplasmodial, cardioactive, anticough, antidiabetic, antiinflammatory, antinociceptive.
- Bark and leaves are astringent and vulnerary.

Parts utilized
Leaves, bark, fruit, flowers, roots.

Edibility / Nutrition
- Well known for its edible fruit.
- Fruit can be eaten raw or canned, jellied, juiced or powdered.
- Ripe fruit is eaten as vegetable and used as seasoning for native dishes, like sinigang, etc.
- Very high in vitamin C (80 mg in 100 gm of fruit) with large amounts of vitamin A.
- In the Philippines, the astringent, unripe fruit, the leaves, bark cortex, and roots - though more often the leaves only - are used in decoction for washing ulcers and wounds.
-Fresh leaves used for wounds and toothache.
- Decoction or infusion of fresh leaves used for wound cleaning to prevent infection and to facilitate healing.
- Warm decoction of leaves for aromatic baths.
- Decoction of bark and leaves used for diarrhea.
- For diarrhea, boil for 15 minutes 4 to 6 tablespoons of chopped leaves in 18 ounces of water. Strain and cool. Drink 1/4 of the decoction every 3 - 4 hours.
- Bark used internally for chronic diarrhea of children and adults - half an ounce of the bark or root bark in six ounces of water is boiled down to 3 ounces, and given in teaspoon doses. Also used for prolapsus ani of children.
- Decoction of rootbark also used as mouthwash for swollen gums.
- Root-bark has been recommended for chronic diarrhea.
- For toothache, chew 2-3 young leaves and put into the tooth cavity.
- In India, water decoction of leaves used for treatment of jaundice.
- In Mexico, decoction of leaves used for cleaning ulcers. Ground leaves used as poultice. Leaves also used as remedy for itches. Fruit also used as anthelmintic.
- In Uruguay, decoction of leaves used as vaginal and uterine wash, especially in leucorrhea.
- In the West Indies, decoction of young leaves and shoots used as febrifuge and for antispasmodic baths. Infusion of leaves used for cerebral affections, nephritis, and cachexia. Pounded leaves used locally for rheumatism; extract used for epilepsy and chorea.
- In Costa Rica, decoction of flower buds used for diarrhea and to improve blood flow.
- For
gum swelling, chew leaves or use the leaf decoction as mouthwash 3 times daily; chewed leaves.
- For skin ulcers, pruritic or infected wounds: Apply decoction of leaves or unripe fruit as wash or the leaf poultice on the wound or use the decoction for wound cleansing. It is also popularly used for the wound healing of circumcision wounds.
- Guava jelly used as heart tonic; also for constipation.
- Ripe fruit is used as aperient.
- Water in which the fruit is soaked used for diabetes.
- For nosebleeds, densely roll the bayabas leaves and place into the nostril cavity.
- As vaginal wash, warm decoction of leaves as vaginal wash (after childbirth) or douche.
Leaf extract used in skin whitening products.
Toothbrush au-natural: Bayabas twigs, chewed at the ends until frayed, used as alternative for toothbrushing with whitening effect.
Wood is suitable for carpentry, turnery, fuel or charcoal.
A favorite rural use for tool handles.

Assessment of two medicinal plants, Psidium guajava L. and Achillea millefolium L., in in vitro and in vivo assays:
Study on the cytotoxicity and mutagenicity of the plants provide info on its safety for use as therapeutic agents. (1)
Antihypertensive / Antidiarrheal:
In the study, P guajava leaf extracts was more active than D mespiliformis in their antagonistic effects on caffeine-induced calcium release from the sarcoplasmic reticulum of rat skeletal muscle. Results might explain their use as antihypertensive and antidiarrheal agents in traditional medicine through an inhibition of intracellular calcium release.
Antidiarrheal / Quercetin:
Quercetin is a main active constituent. Spasmolytic and antidiarrheal effects are attributed to quercetin-derived, flavonoids and glycosides.
Anticestodal efficacy of Psidium guajava against experimental Hymenolepis diminuta infection in rats : The study showed anticestodal efficacy and supports folkloric medicinal use in the treatment of intestinal-worm infections in northeast India. (5)
Hypoglycemic / Hypotensive:
The leaf of Psidium guajava is used extensively in African folk medicine. The study shows that the aqueous leaf extract of P. guajava possesses hypoglycemic and hypotensive properties and provides pharmacological credence to the folkloric use of the plant for type-2 diabetes and hypertension in some rural African communities. (6)
Microbicidal / Antidiiarrheal:
Microbicidal effect of medicinal plant extracts (Psidium guajava Linn. and Carica papaya Linn.) upon bacteria isolated from fish muscle and known to induce diarrhea in children: Study concludes that guava sprout extracts is a feasible treatment option for diarrhea caused by E coli or S aureus-produced toxins, with quick curative effect, easy availability and low cost.
Antimicrobial / Leaves: Aqueous extracts of leaves have shown antimicrobial activity against Shigella spp., Vibrio spp., S aureus, B-strep, E coli, P aeruginosa and B subtilis.
Guava Extracts and Radiolabelling:
Study showed aqueous PG extract could present antioxidant action and affect membrane structures in ion transport altering radiolabelling of blood constituents with Technitium (Tc99m) and precautions applied to nuclear medicine procedures on patients using guava extracts. (8)
Study of extract of leaves of PG showed to possess antidiabetic effect in type 2 diabetic mice model, the effect in part, mediated via the inhibition of PTP1B (protein tyrosine phosphatase 1B). (9)
Study showed that PG leaf extract possessed trypanocidal properties attributed to broad antimicrobial and iron chelating activity of flavonoids and tannins. Iron chelation was suggested as a effective way of killing trypanosomes. (10)
Study showed P guajava extracts to be efficacious in preventing tumor development by depressing Tr cells (regulatory). (11)
Antioxidant / Leaves:
Study of methanolic extract of PG leaves showed in vitro free radical scavenging activity.
Radical Scavenging: Study showed extracts from distilled water, 65% ethanol and 95% ethanol with significant dose-dependent effects on scavenging hydroxyl radicals and inhibiting lipid peroxidation. Flavonoids may be one of the antioxidative components. (12)
• Antiproliferative / Anticancer / Leaf Oil: A study on the antiproliferative activity of essential oil from 17 Thai medicinal plants on human mouth epidermal carcinoma (KB) and murine leukemia (P388) cell lines. In the KB cell line, Psidium guajava leaf oil showed the highest anti-proliferative activity, more than 4x more potent than vincristine. The results suggested the potential of Thai medicinal plants for cancer treatment. (13)
• Spasmolytic: A morphine-like spasmolytic action involving the inhibition of acetylcholine release and the transmural transport of electrolytes and water has been reported as possible modes of antidiarrheal action of P guajava leaf extracts. The extract also inhibited the growth of causative agents for enteric fever, food poisoning, dysentery and cholera.
• Antispasmodic: In a study of acute diarrheic disease, a phytodrug developed from guava leaves, standardized with its quercetin content, exhibited a decrease in the duration of abdominal pain. (15)
• Antioxidant / Hypocholesterolemic: A study done to determine the effects of guava consumption on antioxidant status and lipid profile in normal male youth showed a significant increase in level of total antioxidants and reduced oxidative stress and also increase the level of HDL cholesterol significantly. (16)
• Anti-Ulcer: Study showed rats pretreated with P guajava extract from fresh tender leaves showed antiulcer activity in aspirin-induced gastric ulcer model with a significant reduction of ulcer index, pepsin activity, free and total acidity, volume and mucus content of gastric juice. (17)
antioxidants and reduced oxidative stress and also increase the level of HDL cholesterol significantly.
• Antibacterial: Study evaluated the antibacterial activities of aqueous and ethanol-water extracts from leaves, roots and stem bark of P. guajava. The AE of leaves roots and stems were active against gram-positive bacteria Staphylococcus aureus and B. subtilis and virtually ineffective against E. coli and P. aeruginosa. The EW showed higher activity than the AE. (19)
Leaves Extracts / Differences in Hypoglycemic Potential:
In a mice model, study showed the water soluble, edible alcohol, and edible alcohol-soluble extracts of wild Psidium guajava leaves may have different hypoglycemic potential. (20)
• Hepatoprotective / Leaves: Study in male and female rats showed the aqueous extract of P. guajava leaves may be hepatoprotective (not hepatotoxic), with hematopoietic potentials. (21)
• Anticancer Activity / Review: Review of a limited number of studies revealed guava extracts may have anti-cancer activity. One study tested guava fruit extract against a proliferation of cancer cell lines. One study in mice used a combination of bark, leaf, and root extract to inhibit growth of B16 melanoma cells. (23)
• Corrosion Inhibition / Mild Steel: Study evaluated the corrosion inhibition behavior of an extract of guava leaves towards mild steel in HCl media. Results showed the extract has good inhibition efficiency (IE) and acts as a mixed-type inhibitor. As extract concentration increases, IE also increases. (25)
• Hepatoprotective / Leaves: Study evaluated the hepatoprotective activity of P. guajava in CCl4-, paracetamol- and thioacetamide-induced liver injury. Results showed significant reduction of liver enzymes and bilirubin. Higher doses prevented increases in liver weight. (27)
• Antihyperglycemic / Unripe Fruit Peel: Study evaluated the glycemic potential of an aqueous extract of unripe fruit peel in STZ-induced diabetic rats. Results showed normal, mild, and severely diabetic rat models had hypoglycemic and antidiabetic effect. (28)
• Analgesic / Antipyretic / Dried Leaves: Study of an ethanol extract produced significant reduction of pyrexia in yeast induced hyperpyrexia and hot plate latency assay. Analgesic activities were observed in early and late phase of formalin induced paw licking tests in rats.
• Anti-Epileptic / Leaves: Study evaluated the anti epileptic activity of a leaves extract of P. guajava in seizure induced by maximal electroshock and pantaloon territorialize. Results showed the leaves extract at higher and medium doses produced highly significant and sustained increases in onset of convulsions and decrease in rate of convulsion. Activity may be due to presence of flavonoids and saponins. (30)
• Effect in Hyperactive Gut Disorders / Diarrhea and Gut Spasm: Study evaluated the mechanisms responsible for its use in diarrhea and gut spasm. A crude extract showed protection in castor oil-induced diarrhea model, similar to loperamide. In isolated rabbit jejunum preparations, crude extract showed potent effect against high K+ than spontaneous pre-contractions, similar to verapamil. Results indicate the crude extract possesses Ca++ antagonist-like constituent/s to explain its inhibitory effect on gut motility. (31)
• Antibacterial / Leaves and Essential Oil: Study evaluated essential oils and various leaf extracts of P. guajava for antimicrobial effect. Of the bacteria tested, Staphylococcus aureus strains were most inhibited, with the methanol extract showing greatest bacterial inhibition. Essential oil extract showed inhibitory effect against S. aureus and Salmonella spp. (32)
• Antibacterial / Infectious Diarrhea: Study evaluated crude decoction and quercetin for antibacterial effect on virulence of common diarrheal pathogens viz. colonization of epithelial cells and production and action of endotoxins. Decoction of P. guajava showed antibacterial activity towards S. flexneri and Vibrio cholerae, with decreased production of E. coli labile toxin and cholera toxin. Its spectrum of antidiarrheal activity is not due to quercetin alone. (33)
• Antibacterial / Antifungal / Leaves and Bark / Skin Disorders: Study evaluated the effects of P. guajava on organisms responsible for skin disorders. P. guajava solutions of leaf and bark extracts were effective in inhibiting growth of Staphylococcus. aureus and S. epidermis, and fungi Mentagrophytes gypseum and Trichophyton mentagrophytes. Tetracycline as control showed significantly stronger inhibition, which may be due to the fact that it is a pure chemical vs the crude extracts of P. guajava solutions. (34)
• Wound Healing Potential / Cytotoxic Effects: Study evaluated the wound healing potential in vivo and cytotoxic effects in vitro of P. guajava leaf extract and commonly used corticosteroids. In vitro, the extract caused a decrease in cell viability and growth compared to control and corticosteroids. In vivo, the extract caused acceleration of wound healing. (35)
• Periodontal Disease / Adjunctive Therapy: Study evaluated the potential of P. guajava in the treatment of periodontal disease. Review suggests therapeutic potential of guava as adjunct in treating periodontal disease. (36)
• Gastroprotective / Ischemia-Reperfusion Injury: Study evaluated a leaf extract for gastric secretory and protective properties on ischemia-reperfusion (I-R) induced gastric mucosal injury in rats. Results showed gastroprotective properties attributed to stimulation of mucus secretion by the guava extract. (37)
• Antibacterial / Wound, Skin and Soft Tissue Infections: Study evaluate crude aqueous extracts of leaves against bacteria associated with surgical wound, burns, skin and soft tissue infections. Results showed potent inhibitory activity against growth of pathogenic Proteus mirabilis, Strep pyogenes, E. coli, Staphylococcus aureus and P. aeruginosa. (38)
• Hepatotoxic and Hepatoprotective Disease / Erythromycin Induced Liver Damage:Study of aqueous extract of leaves on erythromycin-induced liver damage in albino rats showed hepatoprotective activity at lower dose and hepatotoxic property at higher dose. (39)
• Anti-Trypanosomal Activity / Leaves: Study evaluated ethanolic extracts of leaves for anti-trypanosoma and cytotoxicity activity in bloodstream species of Trypanosoma brucei brucei (BS427) and HEK293. Results showed inhibition of growth of T. b. brucei, with selectivity index comparing favorably with pentamidine and diminazne. (40)


Last Updated September 2013

Photos ©Godofredo Stuart / StuartXchange
OTHER IMAGE SOURCE: SEEDS / Psidium guajava L. - guava PSGU / S / Steve Hurst @ USDA-NRCS Plants Database / USDA

Additional Sources and Suggested Readings
Assessment of two medicinal plants, Psidium guajava L. and Achillea millefolium L., in in vitro and in vivo assays / Genet. Mol. Biol. vol.26 no.4 São Paulo Dec. 2003 / doi: 10.1590/S1415-47572003000400021
Effects of two medicinal plants Psidium guajava L. (Myrtaceae) and Diospyros mespiliformis L. (Ebenaceae) leaf extracts on rat skeletal muscle cells in primary culture / R G Belemtougri et al / J Zhejiang Univ Sci B. 2006 January; 7(1): 56–63. Published online 2005 Dec 21 / doi: 10.1631/jzus.2006.B0056.
Database: Ecology of Psidium guajava
Psidium guajava: A review of its traditional uses, phytochemistry and pharmacology / Rosa Martha Pérez Gutiérreza, Sylvia Mitchell and Rosario Vargas Solis
Anticestodal efficacy of Psidium guajava against experimental Hymenolepis diminuta infection in rats. / Temgenmogla V Tangpu, Arun K Yadav
Hypoglycaemic and hypotensive effects of Psidium gajava Linn. (Myrtaceae) leaf aqueous extract / Ojewole, J.A.O.
Guava extract (Psidium guajava) alters the labelling of blood constituents with technetium-99m / J Zhejiang Univ Sci B. 2006 June; 7(6): 429–435.
Published online 2006 May 12. doi: 10.1631/jzus.2006.B0429.

Antidiabetic effects of extracts from Psidium guajava / doi:10.1016/j.jep.2004.09.041 / Journal of Ethnopharmacology Vol 96, Issue 3, 15 January 2005, Pages 411-415
Ethanolic leaf extract of Psidium guajava: Phyto-chemical and trypanocidal activity in rats infected with Trypanosoma brucei brucei / Adeyemi, O. Stephen, Akanji, M. A. and Oguntoye, S. A
Anti-allergic Psidium guajava Extracts Exert an Antitumor Effect by Inhibition of T Regulatory Cells and Resultant Augmentation of Th1 Cells / Anticancer Research November 1, 2005 vol. 25 no. 6A 3763-3770
Anti-proliferative activity of essential oil extracted from Thai medicinal plants on KB and P388 cell lines / Cancer Letters, Vol 235, Issue 1, Pages 114-120 / J. Manosroi, P. Dhumtanom, A. Manosroi
/ Regine Helena Silva dos Fernandez Viera et al / Rev Inst Med Trop S Paulo • 43 (3): 145-148, May-June 2001
Intestinal anti-spasmodic effect of a phytodrug of Psidium guajava folia in the treatment of acute diarrheic disease / Xavier Lozoya et al / Journal of Ethnopharmacology • Volume 83, Issues 1-2, November 2002, Pages 19-24 / doi:10.1016/S0378-8741(02)00185-X
A study of the anti-ulcer activity of the ethanolic extract of the leaves of Psidium guajava on experimental animal models / Swarnamoni Das MD Pharma and Saurav Deka MD Pharm / The Internet Journal of Pharmacology. 2009 Volume 7 Number 1
Antimicrobial Effects of Psidium Guajava Extract as one Mechanism of its antidiarhoeal Action / Lutterodt G D et al / Malaysian Journal of Medical Sciences, 6 (2). pp. 17-20. ISSN 1394195X
An Evaluation of Antibacterial Activities of Psidium guajava (L.) / Neviton Rogério Sanches, Diógenes Aparício Garcia Cortez et al / Brazilian Archives of Biology and Technology, Vol.48, n. 3 : pp. 429-436, May 2005
Study on the hypoglycemic activity of different extracts of wild Psidium guajava leaves in Panzhihua Area /
Wang B, Liu HC, Ju CY / Sichuan Da Xue Xue Bao Yi Xue Ban. 2005 Nov;36(6):858-61.
Effect of Aqueous Extract of Psidium Guajava Leaves on Liver Enzymes, Histological Integrity and Hematological Indices in Rats / Friday E. Uboh, Iniobong E. Okon, Moses B. Ekong / Gastroenterology Research, Volume 3, Number 1, February 2010, pages 32-38
Study on antioxidative activities of Psidium guajava Linn leaves extracts / Bo Wang, Shirong Jiao, Hengchuan Liu, Junrong Hong / Wei sheng yan jiu Journal of hygiene research (2007) Volume: 36, Issue: 3, Pages: 298-300
Anticancer Activity of Guava (Psidium guajava) Extracts / Sato, Ryan; Dang, Karen M.; McPherson, Bernard G.; and Brown, Amy C. / Journal of Complementary and Integrative Medicine, 2010, Vol. 7: Iss. 1, Article 43.
DOI: 10.2202/1553-3840.1361

Sorting Psidium names / Authorised by Prof. Snow Barlow / Maintained by: Michel H. Porcher / MULTILINGUAL MULTISCRIPT PLANT NAME DATABASE / Copyright © 1997 - 2000 The University of Melbourne.
Electroanalytical studies on the corrosion inhibition behavior of guava (Psidium guajava) leaves extract on mild steel in hydrochloric acid / K. K. Anupama, Joseph Abraham / Research on Chemical Intermediates
December 2012
Studies on the lipid and protein composition of guava seeds (Psidium guajava)
/ M.A. Habib / Food Chemistry, Volume 22, Issue 1, 1986, Pages 7–16
Effect of Psidium guajava Linn. leaf extract on liver cells / Chanchal K Roy*, Amit Kumar Das / NSHM Journal of Pharmacy and Healthcare Management, Vol. 02, February (2011) pp. 83-88
Anti-hyperglycaemic potential of Psidium guajava raw fruit peel / Prashant K. Rai, Dolly Jaiswal, Shikha Mehta & Geeta Watal / Indian J Med Res 129, May 2009, pp 561-565
Analgesics and Antipyretic Activities of Ethanolic Extract of Psidium guajava in Rats / B. OWOYELE VICTOR*, O. JEGEDE. TIMOTHY AND O. SOLADOYE AYODELE / Salasar/Vol.-13/ art-027/Proof-3/Date : September' 2005
Evaluation of Anti Epileptic Activity of Psidium Guajava Leaves Extract in Mice / Sushma. M*, Eswarudu. MM, Venkateshwaralu. G and Radhika. P / International Journal of Research in Pharmaceutical and Biomedical Sciences, Vol. 3 (2) Apr – Jun2012
Pharmacological basis for the medicinal use of Psidium guajava leave in hyperactive gut disorders / Abdul Jabbar Shah, Sabira Begum, Syed Imran Hassan, Syed Nawazish Ali, Bina Shaheen Siddiqui, Anwarul-Hassan Gilani / Bangladesh Journal of Pharmacology, Vol 6, No 2 (2011)
Flávia A. GONÇALVES, Manoel ANDRADE NETO, José N. S. BEZERRA, Andrew MACRAE, Oscarina Viana de SOUSA, Antonio A. FONTELES-FILHO & Regine H.S.F. VIEIRA / Rev. Inst. Med. trop. S. Paulo 50(1):11-15, January-February, 2008
Newer insights into the mechanism of action of Psidium guajava L. leaves in infectious diarrhoea / Tannaz Birdi*, Poonam Daswani, S Brijesh, Pundarikakshudu Tetali, Arvind Natu and Noshir Antia / BMC Complementary and Alternative Medicine 2010, 10:33 doi:10.1186/1472-6882-10-33
Effect of aqueous extract of leaf and bark of guava (Psidium guajava) on fungi Microsporum gypseum and Trichophyton mentagrophytes, and bacteria Staphylococcus aureus and Staphylococcus epidermidis /
Fagbohun Temitope Richard*, Adekeye Temitope Joshua and Akinbosola Jibayo Philips / Advancement in Medicinal Plant Research, Vol. 1(2), pp. 45-48, June 2013
Healing and cytotoxic effects of Psidium guajava (Myrtaceae) leaf extracts / Kristianne Porta Santos Fernandes, Sandra Kalil Bussadori, Márcia Martins Marques, Nilsa Sumie Yamashita Wadt, Erna Bach, Manoela Domingues Martins / Braz J Oral Sci., October|December 2010 - Volume 9, Number 4
Psidium guajava: A review on its potential as an adjunct in treating periodontal disease / K. Ravi, P. Divyashree / Pharmacognosy Review, 2014, Volume 8, Issue 16, Pp 96-100
Ethanolic Leaf Extract of Psidium Guajava L. [Myrtaceae] Protects the Stomach against Ischemia-Reperfusion Induced Gastric Mucosal Injury / Sadiq Yusuf, Abdulkareem Agunu, Nna Venessa Katung, Uduak Umana / Asian Journal of Medical Sciences, Vol 1, No 1 (2010)
The use of Psidium guajava Linn. in treating wound, skin and soft tissue infections
/ El-Mahmood Muhammad Abubakar / Scientific Research and Essay Vol. 4 (6) pp. 605-611, June, 2009
Anti-trypanosomal and cytotoxic activity of ethanolic extracts of Psidium guajava leaves in Alamar Blue based assays / Oluyomi S. Adeyemi*, Melissa L. Sykes, Musbau A. Akanji, and Vicky M. Avery / VETERIN. ARSKI ARHIV 81 (5), 623-633, 2011

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