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Effectiveness of Subsurface Flow-Wetlands to Reducing TSS Levels and Stabilizing pH in Tofu Liquid Waste Endang Srilestari; Anita Munawwaroh
Jurnal Biologi Tropis Vol. 21 No. 1 (2021): Januari - April
Publisher : Biology Education Study Program, Faculty of Teacher Training and Education, University of Mataram, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jbt.v21i1.2360

Abstract

Small and medium industries are experiencing growth every year. The home industry of tofu production is one of the small and medium industries that continues to grow and develop. However, there is a problem if the tofu production waste is disposed of directly into the waters, it will cause pollution due to the deposition of organic material. The research objective was to analyze the subsurface flow-wetlands with plants namely water hyacinth, apu wood and lemna minor to reducing TSS levels and stabilizing pH. This research an experimental with treatments including SSF-Wetlands without water plants (A1), SSF-Wetlands with water hyacinth (A2), SSF-Wetlands with apu wood (A3), SSF-Wetlands with lemna minor (A4) and SSF-Wetlands with water hyacinth, and apu wood (A5). The stages of this research are the sampling stage, the SSF-Wetlands manufacturing stage, the waste treatment stage and the pH and TSS testing stages. Data were analyzed using one-way ANOVA (SPSS 20). The results showed that the liquid waste of tofu in the initial sample was acidic, namely 3.94 and the TSS level was 858 mg / L. The pH condition of the waste after processing by the quality standard.  The highest increase in pH and decrease in TSS levels in the tofu liquid waste treatment was the SSF-Wetland processing with water hyacinth plants (A2). This shows that water hyacinth plants have a greater role in neutralizing pH and can absorb the most suspended matter compared to apu wood and lemna minor plants.
Characterization of phytochemical compounds (qualitative and quantitative) in the endophytic fungi the bark of the Duwet plant Titik Wijayanti; Anita Munawwaroh; Nuril Hidayati
Jurnal Biologi Tropis Vol. 22 No. 2 (2022): April - June
Publisher : Biology Education Study Program, Faculty of Teacher Training and Education, University of Mataram, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jbt.v22i2.3651

Abstract

This study aims to characterize the phytochemical compounds in the endophytic fungi the bark of the Duwet (S. cumini L.). Duwet skin samples were taken from various regions in East Java, including Batu City, Malang Regency, Pasuruan Regency, Lamongan Regency, Gresik Regency, and Situbondo Regency. The method used in this research is an experiment, namely the isolation of endophytic fungi, qualitative and quantitative phytochemical content tests. The results showed that there were variations in the content of endophytic fungi in the duwet bark from one location to another. All samples of endophytic fungi isolate from Duwet stem bark contained flavonoid compounds, alkaloids, terpenoids, phenolics and tannins. Phytochemical compounds of endophytic fungi in the bark are the result of symbiosis between endophytic fungi and their host plants. Endophytic fungi live in intracellular tissue, then absorb nutrients from their host plants, and include phytochemical compounds found in the bark of the duwet plant.
BIMBINGAN BELAJAR UNTUK SEKOLAH DASAR PADA MASA PANDEMI Anita Munawwaroh; Erfitra Rezqi Prasmala; Melani Babang Noti
JPM PAMBUDI Vol 6 No 01 (2022): JPM Pambudi
Publisher : Pusat Penelitian dan Pengabdian Kepada Masyarakat (P2M) IKIP Budi Utomo Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33503/pambudi.v6i01.1968

Abstract

The purpose of this Potential-Based Community Service (PMBP) activity was to provide tutoring to elementary school students in Rindi Village Rw 002 in East Sumba Regency. This service activity used the method of preparation, implementation, and evaluation. The results and outcomes achieved, namely, the tutoring activities that we did were certainly different from activities in general. In addition, our free tutoring activities were meant to provide guidance on emotional and psychomotor aspects, as well as prioritized cognitive aspects. We adopt a relaxed learning concept in order to help elementary school students feel more comfortable and not to feel bored when participating in tutoring activities.