Psidium guajava L.

SPECIES

Psidium guajava L.

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FAMILY

Myrtaceae

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PART USED

Leaves

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EXTRACTION METHOD

Hot water maceration

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SOLVENT(S) USED

Water

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SECONDARY METABOLITES / PHYTOCHEMICAL COMPOSITION

Phenol, tannin (Amritoside: ellagic acid 4-gentiobioside,
Guavins A, B, C, and D, isostrictinin (V), strictinin,
pedunculagin, (+)-gallocatechin), flavonoid (quercetin and
its glycosides, morin-3-O-α-L-lyxopyranoside,
morin-3-O-α-L-arabinopyranoside, kaempferol,
luteolin-7-O-glucoside, apigenin-7-O-glucoside), carotenoid,
terpenoid, triterpene, isoprenoids (monoterpenes:
caryophyllene oxide, β-selinene, 1,8-cineole, β-pinene,
myrcene, γ-elemene, d-limonene, caryophyllene, linalool,
eugenol, β-bisabolol, β-bisabolene, β-sesquiphellandrene,
Me 2-methyl-thiazolidine-4-(R)-carboxylate (cis and trans),
ethyl 2-methyl-thiazolidine-4-(R)-carboxylate (cis and
trans), aromadendrene, α- and β-selinene, caryophyllene
epoxide, carophylladienol, (E)-nerolidol,
Selin-11-en-4-alpha-ol, and terpenoids: guavanoic acid,
guavacoumaric acid, guajanoic acid, ursolic acid,
2α-hydroxyursolic acid, Maslinic acid, asiatic acid,
Jacoumaric acid, isoneriucoumaric acid, guajavanoic acid,
guajavolide, guavenoic acid)

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ANTIMICROBIAL ASSAY METHODS

Proportion method

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EXPERIMENTAL TECHNIQUE

in-vitro

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ACTIVITY/MIC (µg/ml)

40

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LINK TO REFERENCE

26779539

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LINKS TO PLANT DATABASES

https://www.cabi.org/isc/datasheet/45141

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REFERENCE

Tsouh Fokou, P. V., Nyarko, A. K., Appiah-Opong, R., Tchokouaha Yamthe, L. R., Ofosuhene, M., & Boyom, F. F. (2015). Update on Medicinal Plants with Potency on Mycobacterium ulcerans. BioMed Research International, 2015. https://doi.org/10.1155/2015/917086

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