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Bioeksperimen: Jurnal Penelitian Biologi
Article . 2017 . Peer-reviewed
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Bioeksperimen: Jurnal Penelitian Biologi
Article
License: CC BY
Data sources: UnpayWall
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POTENSI EKSTRAK ETANOL BATANG KAPUK RANDU SEBAGAI ANTIBAKTERI

Authors: Rina Hidayati Pratiwi;

POTENSI EKSTRAK ETANOL BATANG KAPUK RANDU SEBAGAI ANTIBAKTERI

Abstract

Penelitian ini bertujuan mengetahui daya hambat senyawa antibakteri batang kapuk randu terhadap bakteri Escherichia coli, Staphylococcus aureus, dan Bacillus cereus. Pengujian aktivitas antibakteri menggunakan metode difusi cakram, dilusi cair, nilai Konsentrasi Hambat Minimum (KHM) dan Konsentrasi Bunuh Minimum (KBM) terhadap ketiga jenis bakteri. Uji fitokimia dilakukan untuk mengetahui senyawa bioaktif ekstrak etanol batang kapuk randu yang dapat menghambat ketiga jenis bakteri patogen. Aktivitas antibakteri tertinggi pada ekstrak etanol 30% dengan diameter zona hambat pada konsentrasi 10 mg/mL sebesar 3,8 mm terhadap E. coli; 3,6 mm terhadap S. aureus; dan 4,3 mm terhadap B. cereus. KHM ekstrak etanol 30% pada konsentrasi 8 mg/mL terhadap E. coli; 6 mg/mL terhadap S. aureus; dan 6 mg/mL terhadap B. cereus; KBM pada konsentrasi 10 mg/mL terhadap S. aureus. Aktivitas antibakteri tertinggi pada ekstrak etanol 50% dengan diameter zona hambat pada konsentrasi 10 mg/mL sebesar 4 mm terhadap E. coli; 4,2 mm terhadap S. aureus; dan 3,9 mm terhadap B. cereus. KHM ekstrak etanol 50% pada konsentrasi 8 mg/mL terhadap E. coli; 10 mg/mL terhadap S. aureus; dan 8 mg/mL terhadap B. cereus; KBM pada 10 mg/mL terhadap B. cereus. Senyawa bioaktif yang berperan menghambat pertumbuhan ketiga jenis bakteri ialah saponin, flavonoid dan tanin.

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Keywords

antibakteri, bacillus cereus, escherichia coli, kapuk randu, staphylococcus aureus, QH301-705.5, Biology (General)

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
1
Average
Average
Average
gold