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All Journal Journal Zetroem Parapemikir Jurnal Ilmiah Farmasi
Prastyono, Rizki Noor
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Chemistry Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering Engineering Health Professions Immunology & microbiology Industrial & Manufacturing Engineering Medicine & Pharmacology Physics

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UJI AKTIVITAS ANTIOKSIDAN Syzygium polyanthum DAN Terminalia catappa L. SECARA IN VITRO DAN IN SILICO Maulana, Luthfi Hidayat; Prastyono, Rizki Noor; Prayogi, Syaiful; Murniningsih, Erni; Alfarikhi, M. Zidan
Parapemikir : Jurnal Ilmiah Farmasi Vol 12, No 3 (2023): Parapemikir : Jurnal Ilmiah Farmasi
Publisher : Pusat Penelitian dan Pengabdian Masyarakat Politeknik Harapan Bersama

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30591/pjif.v12i3.5163

Abstract

Reactive Oxygen Species (ROS) is a radical which is a by-product of metabolic processes. An imbalance between the number of free radicals and the amount of endogenous antioxidants can cause oxidative stress and cause problems for body cells that can cause various metabolic diseases or other degenerative diseases. Exogenous antioxidants can be chemical compounds resulting from synthesis or materials derived from nature that can inhibit the oxidation process. Phenol group compounds can be used as antioxidants. Salam plants (Syzygium polyanthum) and ketapang (Terminalia catappa L.) are rich in phenols. In vitro antioxidant testing using other methods such as DPPH (2,2-Diphenyl-1-Pikrylhidrazyl), in silico, molecular docking was carried out by targeting the heme oxygenase-1 (HO-1) protein to test antioxidant activity with analysis showing binding and strengthening evidence of impending chemical interactions. Based on in vitro testing, ketapang leaf extract has better antioxidant activity compared to bay leaf extract, with an IC50 value of 6.631 and the in silico results of the constituent compounds of ketapang leaves have the best docking value, namely compound 14 with a value of -88.18. Both of these test results reinforce each other
Pollutant Monitoring System for Mushroom Factory Liquid Waste using Arduino with 4 Sensor Integration Sigitta H., Rito Cipta; Mubarok, Rizky; Rakhman, Arif; Prastyo, Firman Ardy; Prastyono, Rizki Noor; Arsiandro, Fadly Haris
ZETROEM Vol 8 No 1 (2026): ZETROEM
Publisher : Prodi Teknik Elektro Universitas PGRI Banyuwangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36526/ztr.v8i1.7623

Abstract

Mushroom production requires a specially designed medium for mushroom growth. Factory-scale composting methods utilize several media, which involve water to maintain moisture and chemical/organic fertilizers. The water used for mushroom cultivation contains hazardous substances, which, if dissolved and flowing into sewers, water sources, or community irrigation, can cause several problems, resulting in liquid pollutants. The purpose and main contribution of this research is to develop and implement pollutant monitoring system in mushroom factory liquid waste based on Arduino with the integration of four sensor parameters. The 4D method used includes the stages of define, design, develop, and disseminate. The goal is to develop pollutant monitoring system using four sensors. The feasibility analysis results have a percentage above 80% in the good category and are suitable for use. Accuracy analysis results are >80% in the good category. Temperature and pH also tend to be stable without significant changes. The pH value tends to be stable in the neutral range of 7.2–7.3, which is generally still suitable for supporting the survival of aquatic organisms. The dissolved oxygen (DO) levels in water are generally low, in the range of 2.46 to 3.01 mg/L, which is already below the standard for good water quality (generally >5 mg/L). Meanwhile, the turbidity parameter indicates pollution, marked by very high turbidity reaching 300 NTU. Then it shows a drastic decrease from very high conditions at the beginning of 300 NTU to approaching zero after further distance, indicating an effective natural sedimentation process in improving water clarity.
Co-Authors Alfarikhi, M. Zidan Arif Rakhman Arsiandro, Fadly Haris Maulana, Luthfi Hidayat Mubarok, Rizky Murniningsih, Erni Prastyo, Firman Ardy Prayogi, Syaiful Sigitta H., Rito Cipta