Invitro Antimicrobial Activities of Mitracarpus scaber Against Some Common Bacteria of Aquatic Origin
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Date
2021-09-08
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FACULTY OF VETERINARY MEDICINE, UNIVERSITAS AIRLANGGA, INDONESIA
Abstract
Some plants have been reported to be of medicinal values and reserve some antimicrobial
properties. One of such plants is Mitracarpus scaber and its effect on bacterial growth is evaluated.
The study aimed at evaluating the phytochemical analyses and antimicrobial potentials of
Mitracarpus scaber against aquatic bacteria. Leaves of Mitracarpus scaber and phytochemical
analysis and antimicrobial investigation of ethanolic and aqueous extracts of the leaves were
carried out against bacteria isolated from diseased Catfish from various farms. The
phytoconstituents detected include saponins, tannins, flavonoids, tarpenoids, steroids,
anthraquinones and alkaloids in both aqueous and ethanolic extracts. The ethanolic extract had
zones of inhibition similar to that of standard antibiotics (enrofloxacin) across all tested microbes.
The lowest minimum inhibitory concentration of ethanolic extract of M. scaber was against Bacillus
sp with 10mg/ml while the highest was 85mg/ml against Staphylococcus species. The results of
the assays showed promising evidences that M. scaber is a potential antibacterial agent against
aquatic microbes. However, further studies are recommended to fractionate its constituents and
determine the in vitro and in vivo anti-microbial activities and the exact mechanism of action of
the constituents.
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Keywords
Mitracarpus scaber, aquatic bacteria, aqueous extract, ethanolic extract, antimicrobial