UJI EFEKTIVITAS ANTIBAKTERI EKSTRAK ETANOL BIJI ALPUKAT (Persea americana) TERHADAP BAKTERI Salmonella enterica ATCC 13311

HANANTA, BAGUS SUDIAKA (2022) UJI EFEKTIVITAS ANTIBAKTERI EKSTRAK ETANOL BIJI ALPUKAT (Persea americana) TERHADAP BAKTERI Salmonella enterica ATCC 13311. Diploma thesis, Sekolah Tinggi Ilmu Kesehatan Nasional.

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Abstract

Avocado seed (Persea americana) is one of the herbal plants that can be used as an antibacterial containing flavonoid compounds, alkaloids, saponins, tannins, and phenols. The purpose of this study was to determine the effectiveness of avocado seed ethanol extract against the growth of Salmonella enterica ATCC 13311 bacteria. The type of research used in this scientific paper is descriptive research. This research was conducted at the Bacteriology Laboratory of the National College of Health Sciences. The sampling technique used is quota sampling. Avocado seeds obtained in the Kaliurang area of avocado orchards. Berenuk leaf powder was extracted by maceration method using 96% ethanol as solvent. The extract was then added with 100% DMSO at concentrations of 10%, 20%, 30%, 40%, and 50%, respectively. The antifungal activity test method was the Kirby-Bauer method. The results showed that avocado seed extract had antibacterial effectiveness against Salmonella enterica. The average diameter of the inhibition zone of avocado seed extract at concentrations of 10%, 20%, 30%, 40%, and 50% was 6.5 mm; 6.9mm; 7.2 mm; 7.6mm; 8.1mm. The most effective 50% concentration in inhibiting Salmonella enterica ATCC 13311 formed a bland zone of 8.1 mm

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