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Indriaty, Indriaty
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Earth & Planetary Sciences Education Engineering Environmental Science Health Professions Immunology & microbiology Medicine & Pharmacology

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PENGETAHUAN DAN PERAN MASYARAKAT PESISIR DALAM MENJAGA KELESTARIAN HUTAN ANGGROVE DI DESA KUALA LANGSA Indriaty, Indriaty; Syafrizal, Syafrizal
Jurnal Jeumpa Vol 4 No 1 (2017): Jurnal Jeumpa
Publisher : Department of Biology Education, Faculty of Teacher Training and Education, Samudra University

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Hutan mangrove memberikan manfaat penting bagi ekosistem disekitarnya seperti menahan hempasan pasang surut air, menahan sedimen yang terlarut dari sungai, memperkecil erosi pantai, dan sebagai habitat hidup berbagai jenis burung dan biota laut. Penelitian ini bertujuan untuk mengetahui besarnya pengetahuan dan peran masyarakat pesisir dalam menjaga kelestarian hutan mangrove di desa Kuala Langsa. Metode penelitian yang digunakan adalah metode deskriptif yang dianalisis repersentatif. Variabel penelitian meliputi pengetahuan dan peran masyarakat pesisir desa Kuala Langsa Kecamatan Langsa Barat Kota Langsa. Berdasarkan hasil penelitian menunjukkan bahwa terdapat pengetahuan yang tinggi masyarakat pesisir Desa Kuala Langsa sebesar 77,2 % dalam menjaga kelestarian hutan mangrove. Selain itu, peran masyarakat Desa Kuala Langsa adalah Cukup yaitu sebesar 59,2% dalam menjaga kelestarian hutan mangrove. Data pengetahuan dan peran mansyarakat desa Kuala langsa menjadi bekal untuk menjalankan program pengelolaan pelestarian Hutan Mangrove di Kuala langsa.
TELAAH KEMAMPUAN BERPIKIR ANALISIS MAHASISWA PENDIDIKAN BIOLOGI MELALUI TUGAS MERINGKAS SEJARAH PERKEMBANGAN MIKROBIOLOGI DI UNIVERSITAS SAMUDRA Indriaty, Indriaty
Jurnal Jeumpa Vol 4 No 2 (2017): Jurnal Jeumpa
Publisher : Department of Biology Education, Faculty of Teacher Training and Education, Samudra University

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Kemampuan berpikir tingkat tinggi yang perlu dimiliki oleh mahasiswa diantaranya adalah berpikir secara analisis. Melalui berpikir analisis seseorang memiliki kemampuan melihat suatu permasalahan secara menyeluruh sehingga dapat menemukan inti permasalahan dan segera menemukan penyelesaiannya. Tugas meringkas sebagai salah satu kegiatan mandiri untuk melatih berpikir secara analisis. Penelitian bertujuan mengetahui bagaimana kemampuan berpikir analisis mahasiswa pendidikan biologi melalui tugas meringkas materi sejarah perkembangan mikrobiologi. Metode penelitian yang digunakan adalah metode deskriptif dengan pendekatan kualitatif. Sampel penelitian adalah mahasiswa semester V sebanyak 28 orang yang menempuh mata kuliah Mikrobiologi pada Program studi Pendidikan Biologi tahun ajaran 2017/2018 di Universitas Samudra. Hasil penelitian diperoleh kemampuan berpikir analisis mahasiswa Pendidikan Biologi pada materi sejarah perkembangan mikrobiologi termasuk dalam ketegori cukup. Berasarkan nilai diskusi disertai presentasi diperoleh capaian kemampuan berpikir analisis sebesar 57,4% dengan kategori cukup. Berdasarkan nilai tugas meringkas diperoleh capaian kemampuan analisis mahasiswa sebesar 42,6% dengan kategori cukup.
A Comparative Study of Total Tannin Contents and Antimicrobial Activities in Methanol Extracts of Rhizophoraceae Species Indriaty, Indriaty; Ginting, Binawati; Hasballah, Kartini; Djufri, Djufri
Heca Journal of Applied Sciences Vol. 1 No. 2 (2023): October 2023
Publisher : Heca Sentra Analitika

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.60084/hjas.v1i2.89

Abstract

Rhizophoraceae is a large true mangrove family that produces mangrove tannins. Tannins have the potential to be used as antimutagenic, anticancer, antimicrobial, and antioxidant agents in the pharmaceutical and medical fields. The aim of the research was to determine the total tannin content, antimicrobial activity, and the correlation between the two in methanol extracts of four plant parts (roots, bark, leaves, and fruit/hypocotyl) from five Rhizophoraceae species, namely Bruguiera cylindrica, Bruguiera gymnorrhiza, Ceriops decandra, Rhizophora apiculata, and Rhizophora mucronata originating from the Langsa mangrove forest, Aceh, Indonesia. Folin Ciocalteu colorimetric method and tannic acid as a standard were used for the total tannin content (TTC) test. The disc diffusion method was used to conduct antimicrobial tests against Escherichia coli, Staphylococcus aureus, and Candida albicans bacteria at a 50% extract concentration. TTC content in Rhizophoraceae ranged from 8.17 ± 1.36 mg TAE/g to 813.35 ± 18.72 mg TAE/g (p < 0.05). The highest levels were found in C. decandra roots (813.35 ±18.72 mg TAE/g), C. decandra bark (704.36 ± 12.11 mg TAE/g), and R. apiculata bark (651.23 ± 2.36 mg TAE/g). The extract has moderate to strong antibacterial activity against gram-positive bacteria S. aureus, with an inhibition zone range of 6.64 ± 0.80 mm -15.02 ± 0.32 mm. The highest antibacterial activity was observed in the inhibition zones for S. aureus bacteria, with C. decandra fruit extract (15.02 ± 0.32 mm), R. apiculata bark (14.78 ± 0.90 mm), and C. decandra leaves (14.44 ± 1.18 mm) exhibiting the highest levels. TTC and antibacterial activity of S. aureus in Rhizophoraceae extracts showed a moderate correlation (Pearson correlation coefficient r = 0.566, p < 0.05). According to the results, it was concluded that Rhizophoraceae has the potential to produce optimal tannins that can be used as antibacterial agents against S. aureus.
Indigenous Knowledge and Herbal Medicine: Exploring the Ethnobotany of the Karo Tiganderket Tribe in Indonesia Singarimbun, Emalia; Elfrida, Elfrida; Indriaty, Indriaty
Heca Journal of Applied Sciences Vol. 2 No. 2 (2024): September 2024
Publisher : Heca Sentra Analitika

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.60084/hjas.v2i2.208

Abstract

This ethnobotanical study investigates the traditional use of medicinal plants in Tiganderket Village, Karo Regency, Indonesia, to document local plants' diversity, uses, and preparation methods for medicinal purposes. Utilizing a quantitative descriptive approach, data were gathered from 30 informants, including traditional healers and residents. The study identified 92 plant species from 44 families, with the Zingiberaceae family being the most dominant. Frequently used plants, such as Piper betle (belo) and Zingiber officinale (ginger), were primarily employed to treat common ailments like fever, boils, and joint pain. Boiling (74%) was the most common method of plant preparation, and leaves (50%) were the most frequently used plant parts. The Relative Frequency of Citation (RFC) revealed Acorus calamus and Curcuma longa as the most cited species. At the same time, 40 of 66 recorded diseases showed high Informant Consensus Factor (ICF) values, reflecting shared knowledge of plant use. This study highlights the rich preservation of traditional medicinal plant knowledge in Tiganderket Village, which continues to play a crucial role in local healthcare practices.
Co-Authors Binawati Ginting Djufri - Elfrida, Elfrida Kartini Hasballah Singarimbun, Emalia Syafrizal Syafrizal