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All Journal Biology, Medicine, & Natural Product Chemistry JURNAL BIOSAINSTEK
Sabilatul Mufarrohah
Universitas Islam Malang
Biochemistry, Genetics & Molecular Biology Medicine & Pharmacology Public Health

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Antioxidant Activity Test of Bride's Tears (Antigonon leptopus) Leaves Using the DPPH Method Nailil Wafiq Azizah; Majidah Ramadan; Faisal Faisal; Devana Rahma Aldina; Ramadina Novia Putri; Nur Laila Anggraini; Sabilatul Mufarrohah; Satria Gemilang; Firadika Fitriansyah; Hosiyah Hosiyah; Nuvia Harini Wulan Suci; Nihlatus Sofiya; Terra Januarista; Ramizard Rafsanjani
Biology, Medicine, & Natural Product Chemistry Vol 14, No 2 (2025)
Publisher : Sunan Kalijaga State Islamic University & Society for Indonesian Biodiversity

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14421/biomedich.2025.142.777-781

Abstract

Bridal tear leaves can be used to treat various health and beauty problems because they contain various active compounds, such as flavonoids, saponins, and tannins. These compounds have antioxidant, anti-inflammatory, and antibacterial properties. This flower contains antioxidants that can help protect the skin from damage caused by free radicals. This research aims to see the effectiveness of antioxidants from bridal tear leaves. The research method involves leaf extraction using 96% ethanol and testing antioxidant activity using the DPPH method. The research results showed that the extract sample from bride's tear leaves was (IC50 – 69.7146 ug/mL). This shows that the bride's tear leaf extract is quite strong in inhibiting free radical reactions.
Abundance and Community Structure of Reef Fish (Family Acanthurudae) Catches Landed by Fishermen at the Fishermen's Fish Market, Pondokdadap Coastal Fishing Port, Malang Regency, East Java Sabilatul Mufarrohah; Husain Latuconsina; Hamdani Dwi Prasetyo; Anthon Andrimida
BIOSAINSTEK Vol 8 No 1 (2026): Jurnal BIOSAINSTEK
Publisher : UNIVERSITAS MUHAMMADIYAH MALUKU UTARA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52046/biosainstek.v8i1.2736

Abstract

The Acanthuridae family is a group of fish that inhabits coral reef ecosystems of medium to large size, generally found in various types of coral reef habitats with diverse live coral cover. This study aims to analyze the abundance, frequency of presence, and community structure of fish from the Acanthuridae family landed by fishermen at the Fishermen's Fish Market in the Pondokdadap Coastal Fishing Port. The study lasted for three months (April - June 2025) with sampling times every two weeks. Data analysis includes relative abundance, frequency of presence, and community structure (Diversity, Evenness, and Dominance indices). The results of the study identified eight fish species from the Acanthuridae family with a total of 79 individuals, Acanthurus xanthopterus with 44 individuals with a relative abundance of 56%, and a frequency of presence of 83% which is categorized as commonly found. Community structure values including the diversity index are categorized as low, the evenness index is unstable, and the dominance index is low. The conservation status of four species (50%) of fish is Least Concern (Acanthurus lineatus, Acanthurus xanthopterus, Naso elegans, and Naso unicornis). While the other 50% of species are categorized as Data Deficient (Naso tuberosus, Naso reticulatus, Ctenochaetus binotatus, Prionurus chrysurus). However, continuous monitoring of the catch level and population status of fish of the Acanthuridae family in the waters of the Sempu Strait directly adjacent to the Pondokdadap Coastal Fishing Port is needed to provide important information in determining the appropriate fisheries management model.
Co-Authors Anthon Andrimida Devana Rahma Aldina Faisal Faisal Firadika Fitriansyah Hamdani Dwi Prasetyo Hosiyah Hosiyah Husain Latuconsina Majidah Ramadan Nailil Wafiq Azizah Nihlatus Sofiya Nur Laila Anggraini Nuvia Harini Wulan Suci Ramadina Novia Putri Ramizard Rafsanjani Satria Gemilang Terra Januarista