UJI AKTIVITAS ANTIBAKTERI EKSTRAK ETANOLIK DAUN JARAK (Ricinus communis L.) TERHADAP PERTUMBUHAN Staphylococcus aureus DAN Pseudomonas aeruginosa

Lailia, Yunida Nur (2019) UJI AKTIVITAS ANTIBAKTERI EKSTRAK ETANOLIK DAUN JARAK (Ricinus communis L.) TERHADAP PERTUMBUHAN Staphylococcus aureus DAN Pseudomonas aeruginosa. Skripsi thesis, Universitas Setia Budi.

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Abstract

Infectious diseases are caused by Gram positive and negative bacteria including Staphylococcus aureus and Pseudomonas aeruginosa. Antibiotics are the main choice for treating diseases caused by bacterial infections. The use of antibiotics in the long term has an adverse effect on the body. Therefore, people prefer to use traditional medicine. One of them is castor leaves (Ricinus communis L.) which can be used as an antibacterial. The aim of the study was to determine the antibacterial activity of the ethanolic extract of castor leaves against Staphylococcus aureus and Pseudomonas aeruginosa, concentration and determine the difference in diameter of the inhibitory zone. His type of experimental research uses diffusion testing. Four hundred grams of distance leaf powder was extracted by maceration using 96% ethanol. Maseration then added 2% DMSO with a concentration of 25%, 50%, 75%, 100% and 100%. Then the antibacterial activity test against Staphylococcus aureus and Pseudomonas aeruginosa was analyzed by the Non Parametric Test. The results showed that distance leaf extract had antibacterial activity. The mean diameter of inhibition zone of Leaf Distance extract at concentrations of 25%, 50%, 75%, and 100% against Staphylococcus aureus is 8; 8.3; 12 and 12.6, against Pseudomonas aeruginosa is 8; 8.3; 10 and 11. There are differences in the diameter of the inhibition zone against Staphylococcus aureus and Pseudomonas aeruginosa bacteria. Keywords: antibacterial, Ricinus ethanolic extract, Staphylococcus aureus, Pseudomonas aeruginosa

Item Type:	Thesis (Skripsi)
Uncontrolled Keywords:	antibacterial, Ricinus ethanolic extract, Staphylococcus aureus, Pseudomonas aeruginosa
Subjects:	R Medicine > R Medicine (General)
Divisions:	Fakultas Ilmu Kesehatan > Prodi D4 Analis Kesehatan
Depositing User:	Tifany Nur Arfiana
Date Deposited:	14 Oct 2019 06:56
Last Modified:	14 Oct 2019 06:56
URI:	http://repo.setiabudi.ac.id/id/eprint/3389

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