Table 5.
Antimicrobial activity, functional group and basic nucleus/structure of some selected phytochemicals in mango
Phytochemical | Chemical name | Basic chemical nucleus/structure | Functional group | Main antimicrobial effect |
---|---|---|---|---|
Mangiferin (present in almost all parts of mango) | Xanthone glucoside |
2-C-β-D-gluco-pyranosyl-1,3,6,7-tetrahydroxyxanthone
|
Highly reactive –OH group |
Antiviral Antifungal Antimalarial Antibacterial |
Tannins (present mainly in leaves, bark and seed kernel) |
Gallotanins Ellagitannins, etc. |
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phenolic hydroxyl groups | Antibacterial |
Flavonoid (present mainly in flower, fruit and leaf) | Benzo-ϓ-pyrone derivatives |
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hydroxyl groups Methoxy groups double bond |
Antiviral |
Alkaloids (in leaf, stem bark, kernel and root) |
Quinines Quinolines, etc. |
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Basic nitrogen atom Amine groups |
Antimalarial Antibacterial |