GAMBARAN EFEKTIVITAS EKSTRAK LENGKUAS MERAH (Alpinia purpurata K. Schum) SEBAGAI ANTIBAKTERI TERHADAP Escherichia coli

Afra, Reza Amalia (2020) GAMBARAN EFEKTIVITAS EKSTRAK LENGKUAS MERAH (Alpinia purpurata K. Schum) SEBAGAI ANTIBAKTERI TERHADAP Escherichia coli. Diploma thesis, Sekolah Tinggi Ilmu Kesehatan Nasional.

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Abstract

Escherichia coli is a rod, gram-negative, opportunistic pathogen, and causes infection in several parts of the body, and is a major cause of diarrhea. Infections caused by Escherichia coli can be treated with antibiotics, the high use of antibiotics can lead to antibiotic resistance. One of the natural ingredients that can be used for alternative medicine is the red galangal rhizome (Alpinia purpurata K. Schum). This scientific paper aims to describe the effectiveness of Alpinia purpurata K. Schum extract as an antibacterial against Escherichia coli based on literature studies. This study uses secondary data collection taken from several scientific journals. The data analysis technique used is descriptive analysis method. The results of research from 4 journals showed that Alpinia purpurata K. Schum extracted with different methods and solvents was able to inhibit Escherichia coli, the higher the extract concentration, the wider the inhibition zone formed. In this scientific paper, it can be concluded that the red galangal extract of Alpinia purpurata K. Schum is able to inhibit the growth of Escherichia coli, the higher the concentration given the greater the radical zone formed.

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