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All Journal BIOEDUPAT: Pattimura Journal of Biology and Learning
Theopilus Wilhelmus Watuguly
Universitas Pattimura
Biochemistry, Genetics & Molecular Biology Immunology & microbiology

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Inhibition of methanol extract snail gonggong (Strombus urturella) to pathogenic bacteria Vibrio alginolyticus Frans Selfanay; Syahran Wael; Theopilus Wilhelmus Watuguly
BIOEDUPAT: Pattimura Journal of Biology and Learning Vol 2 No 2 (2022): Bioedupat : Pattimura Journal of Biology and Learning
Publisher : Program Studi Pendidikan Biologi, Pascasarjana, Universitas Pattimura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30598/bioedupat.v2.i2.pp58-64

Abstract

The purpose of this study was to determine the methanol extract of snail gonggong (Strombus turturella) and the inhibition of methanol extract of gonggong snail meat (Strombus turturella) against the pathogenic bacterium Vibrio alginolyticus. The study used a completely randomized design. The treatment was giving the extract of snail gonggong meat with concentration of 100%, 50%, 25%, positive control using amoxcillin and negative control using distilled water with three replications. The identification of bioactive compounds included alkaloids, saponins, flavonoids, steroids and triterpenoids. The antibacterial activity of the methanol extract of snail gonggong meat (Strombus turturella) was tested by the diffusion method at concentrations of 100%, 50% and 25%. The data collected is then analyzed descriptively qualitatively. The results showed that the antibacterial activity of the 100% concentration of the methanol extract of the gonggong snail meat had moderate inhibition against Vibrio alginolyticus (diameter 7,833 mm). while the concentrations of 50% and 25% did not have an inhibition zone. The identified bioactive compounds included alkaloids, saponins, flavonoids and steroids, while the terpenoid and phenolic compounds were not identified. Thus, the methanol extract of gonggong snail meat has antibacterial potential that can be used to overcome the attack of pathogenic bacteria.
Potential of vegetable waste as alternative production bioelectricity Yulviany Latuihamallo; Ferymon Mahulette; Theopilus Wilhelmus Watuguly
BIOEDUPAT: Pattimura Journal of Biology and Learning Vol 3 No 1 (2023): Bioedupat : Pattimura Journal of Biology and Learning
Publisher : Program Studi Pendidikan Biologi, Pascasarjana, Universitas Pattimura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30598/bioedupat.v3.i1.pp90-94

Abstract

Energy use is closely related to world economic growth and urbanization. Therefore, research was carried out by utilizing organic vegetable waste as a source of renewable energy. This study aims to determine variations in incubation time of vegetable waste that affect electricity production and to determine differences in bio-electricity production based on variations in incubation time of vegetable waste. The results of bioelectricity measurements in the Microbial Fuel Cell reactor, the maximum production of bioelectricity is found at the incubation period of 7 days, namely 9.48 mA at the 0th minute (initial), the maximum electric voltage is 288 mV at the 60th minute, the maximum power is 2205.50 mW in the 30th minute, and the maximum power density is 152.10 mW/m2 in the 30th minute.
Co-Authors Ferymon Mahulette Frans Selfanay Syahran Wael Yulviany Latuihamallo