Perbandingan Efektivitas Antimikroba Ekstrak Daun Kopi Robusta (Coffea Canephora) Dengan Variasi Pengeringan Terhadap Escherichia coli
ABSTRACT: This study aimed to
know the type of variation of drying is good in showing the activity of
antimicrobial extract of robusta coffee leaf compound (Coffea canephora) and
the best concentration showing the effectiveness of antibacterial extract of
coffee leaf compound robusta. Coffee leaf simplicia is dried by dry process
wind and fumigation. Coffee leaves were extracted by maceration method using
70% alcohol solvent. The thick extract of coffee leaves was then tested on
Escherichia coli ATCC 25922 by disc diffusion method and observed inhibition
zone diameter of bacterial growth. The result show The type of drying variation
of coffee leaves for the best extract to be tested on Escherichia coli ATCC
25922 is by dry process wind. The concentration showing the best inhibition
zone diameter against Escherichia coli ATCC 25922 was 1000 ppm with
antibacterial effectiveness of 0.549% compared with Tetracycline as its
positive control.
Kata kunci: daunkopi; antibakteri; Escherichia coli.
Penulis: Zamharira Muslim, Yonaniko
Dephinto
Kode Jurnal: jpfarmasidd170146
