Anti-Escherichia coli activity of extracts from Schinus terebinthifolius fruits and leaves

Anti-Escherichia coli activity of extracts from Schinus terebinthifolius fruits and leaves

Ethanol extracts obtained from Schinus terebinthifolius Raddi fruits and leaves were active against Escherichia coli with MIC of 78 μg mL for both extracts. Phytochemical analyses revealed a major presence of phenolic acids, tannins, fatty acids and acid triterpenes in the leaves and phenolic acids,...

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Bibliographic Details
Published in:Natural product research Vol. 32; no. 11; pp. 1365 - 1368
Main Authors: da Silva, Jessica H S, Simas, Naomi K, Alviano, Celuta S, Alviano, Daniela S, Ventura, José A, de Lima, Eliandro J, Seabra, Sergio H, Kuster, Ricardo M
Format: Journal Article
Language:English
Published: England Taylor & Francis Ltd 01-06-2018
Subjects:
Bacteria
E coli
Escherichia coli
Ethanol
Fatty acids
Fruits
Leaves
Phenolic acids
Phenols
Schinus terebinthifolius
Silica
Silica gel
Silicon dioxide
Tannins
Triterpenes
Antimicrobial activity
Schinus terebinthifolius
fatty acids
fruits
leaves
Escherichia coli
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Summary:Ethanol extracts obtained from Schinus terebinthifolius Raddi fruits and leaves were active against Escherichia coli with MIC of 78 μg mL for both extracts. Phytochemical analyses revealed a major presence of phenolic acids, tannins, fatty acids and acid triterpenes in the leaves and phenolic acids, fatty acids, acid triterpenes and biflavonoids in the fruits. Major compounds isolated from the plant, such as the acid triterpene schinol, the phenolic acid derivative ethyl gallate and the biflavonoids agathisflavone and tetrahydroamentoflavone, showed very little activity against E. coli. Bioautography of the ethanol extracts on silica gel plate showed inhibition zones for E. coli. They were removed from the plate and the compounds identified as a mixture of myristic, pentadecanoic, palmitic, heptadecanoic, stearic, nonadecanoic, eicosanoic, heneicosanoic and behenic fatty acids.
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ISSN:1478-6419
1478-6427
DOI:10.1080/14786419.2017.1344657