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All Journal Jurnal Biologi dan Pembelajarannya (JBP) Bioedukasi: Jurnal Pendidikan Biologi Biology, Medicine, & Natural Product Chemistry Jurnal Pengabdian UntukMu NegeRI Jurnal Abdimas BSI: Jurnal Pengabdian Kepada Masyarakat Jurnal Pendidikan Biologi BIOEDUSAINS: Jurnal Pendidikan Biologi dan Sains Sainmatika: Jurnal Ilmiah Matematika dan Ilmu Pengetahuan Alam International Journal of Engineering, Science and Information Technology Heca Journal of Applied Sciences
Indriaty, Indriaty
Prodi Pendidikan Biologi, Fakultas Keguruan Dan Ilmu Pendidikan, Universitas Samudra
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Phytochemical Profile and Antioxidant Activity of Phenolic and Flavonoid Compounds in Methanol Extracts of the Fruit and Leaves of Scaevola taccada (Geartn.) Roxb Hasbi Assidiqi Nasution; Indriaty Indriaty; Marjanah Marjanah
Biology, Medicine, & Natural Product Chemistry Vol 15, No 1 (2026)
Publisher : Sunan Kalijaga State Islamic University & Society for Indonesian Biodiversity

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14421/biomedich.2026.151.613-621

Abstract

The mangrove plant Scaevola taccada (Gaertn.) Roxb is known to have potential as a source of natural bioactive compounds that act as antioxidants. The presence of antioxidant compounds can control ROS (Reactive Oxygen Species) and RNS (Reactive Nitrogen Species), which trigger oxidative stress. The purpose of this study is to assess the antioxidant activity and total phenolic and flavonoid content of methanol extracts from the fruits and leaves of Scaevola taccada originating from the coastal area of Sikara-kara Village, Mandailing Natal Regency. This study is an experimental study conducted in vitro in a laboratory. The extraction process was performed using the maceration method with 80% methanol as the solvent. Total phenolic compounds were measured using the Folin-Ciocalteu method with gallic acid as the standard, while total flavonoids were measured using the aluminum chloride method with quercetin as the standard. Antioxidant activity was measured using the DPPH method, with the results expressed as IC50 values. The findings indicated that the leaf extract possessed elevated concentrations of phenolics and flavonoids relative to the fruit extract, with a total phenolic content of 68.896 mg GAE/g extract and a total flavonoid content of 103.612 mg QE/g extract. The fruit extract exhibited a total phenolic value of 43.916 mg GAE/g extract and a total flavonoid value of 11.287 mg QE/g extract. Leaf extract exhibits superior antioxidant activity, evidenced by an IC50 value of 52.832 ppm, in contrast to 342.386 ppm for the fruit extract. This study shows that the leaves of Scaevola taccada have greater potential as a source of antioxidants than the fruit, thereby opening up opportunities for their use as raw materials in the production of herbal medicines.
Jenis-Jenis Jamur Basidiomycota Dalam Lanskap Taman Hutan Kota Langsa Hasbi Assidiqi Nasution; Sri Pujianti Astuti; Sirem Suri; Indriaty; Rika Yusnaini
Jurnal Biologi dan Pembelajarannya (JB&P) Vol 12 No 2 (2025): OKTOBER 2025
Publisher : Universitas Nusantara PGRI Kediri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29407/jbp.v12i2.26783

Abstract

Indonesia sebagai negara dengan hutan hujan tropis memiliki keanekaragaman jamur makroskopis yang sangat tinggi, namun dokumentasi ilmiahnya masih terbatas. Penelitian ini bertujuan untuk menginventarisasi dan mengidentifikasi beragam jenis jamur dari divisi Basidiomycota di kawasan Taman Hutan Kota Langsa. Penelitian dilakukan pada Mei 2025 menggunakan metode jelajah bebas (cruise method) dengan pengambilan sampel purposif di area hutan seluas 1,56 hektar yang memiliki vegetasi tertutup di sekitar danau buatan. Sebanyak 20 spesies jamur makroskopis dari divisi Basidiomycota berhasil diidentifikasi, yang tersebar dalam 5 ordo dan 11 famili. Ordo Polyporales merupakan ordo yang paling dominan (50%), diikuti oleh Agaricales (30%). Famili Polyporaceae menjadi yang paling beragam dengan 8 spesies, yang umumnya ditemukan pada substrat kayu mati. Temuan ini menegaskan pentingnya kayu mati sebagai habitat utama jamur dekomposer dan menyoroti perlunya konservasi mikrohabitat hutan untuk menjaga keberlanjutan keanekaragaman jamur.
Co-Authors Ainul Mardiyah Atmaja, Teuku Hadi Wibowo Binawati Ginting Djufri - Elfrida Elfrida Fahreni Fahreni Hasbi Assidiqi Nasution Kartini Hasballah Marjanah Marjanah Marjanah Ramaidani Ramaidani Rika Yusnaini Setyoko Setyoko Setyoko Setyoko Setyoko Setyoko Setyoko Sirem Suri Sri Pujianti Astuti Sukirno Sukirno Vivi Mardina