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All Journal Jurnal Laot Ilmu Kelautan ACROPORA: Jurnal Ilmu Kelautan dan Perikanan Papua
Albida Rante Tasak
Universitas Ottow Geissler
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemistry Earth & Planetary Sciences

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Identifikasi dan Uji Penangkapan Radikal 2,2 Difenil-1-Pkrilhidrazil (DPPH) dari Ekstrak Kasar Pigmen Bakteri Simbion Rumput Laut Tien Nova Yenusi; Popy Ida L Ayer; Iriani Ira Bukorpioper; Jotje A Ingratubun; Albida Rante Tasak
Jurnal Laot Ilmu Kelautan Vol 5, No 1 (2023): Jurnal Laot Ilmu Kelautan
Publisher : Universitas Teuku Umar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35308/jlik.v5i1.7441

Abstract

Abstrak Seaweed belongs to the group of natural antioxidants, these antioxidants are able to counteract free radicals. Secondary metabolites that are antioxidants include alkaloids, flavonoids, phenolic compounds, steroids, and terpenoids and carotenoids. This study aims to identify and test the radical scavenging of 2,2 diphenyl-1-pkrylhydrazyl (DPPH) from the crude extract of the macroalgae symbiont pigment Turbinaria conoides originating from the coastal waters of Hamadi Jayapura, Papua. The method used in this study is an experimental method by identifying pigments using Thin Chromatography (TLC), and for Antioxidant testing using the DPPH Method. The results of the study used the TLC plate Spot 1 on the yellow TLC plate, which had a Retardation frequency (Rf) value of 5/8 = 0.62 and was identified as a carotenoid. The pigment extract of the TC.11 symbiont bacterial pigment extract also has antioxidant potential which was tested by the DPPH method. See the IC50 value of TC.11 bacteria of 24315 ppm compared to the β-carotene marker of 4103 ppm
Identifikasi Jenis Teripang (Holothuridea) di Pantai Vietnam sekitar Perairan Kayu Pulau Distrik Jayapura Selatan, Kota Jayapura Albida Rante Tasak; Popi Ida Ayer; Riska Riska; Tien Nova I. Yenusi; Marten I. Sembai
ACROPORA: Jurnal Ilmu Kelautan dan Perikanan Papua Vol 6 No 1 (2023): ACROPORA: Jurnal Ilmu Kelautan dan Perikanan Papua
Publisher : Cenderawasih University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31957/acr.v6i1.2907

Abstract

The aim of this research is to identify the types of sea cucumbers (Holothuroidea) on the Vietnam Coast of Kayu Pulau Waters, Jayapura City. The study consists of three stages, namely the preparation, the sampling, and the identification stages. This research is undertaken by using the line transect method and the observation is carried out by a descriptive qualitative approach. The sampling is conducted randomly in two different stations along the Vietnam coast.  According to this research, it is found total that there are 5 species of Holothuroidea, in which at Station I, there are four species are identified, namely Bohadschia marmorata, Bohadschia vitiensis, Holothuria atra and Holothuria scabra. Moreover, in station II, there are four species are identified such as Actinopyga miliaris, Bohadschia vitiensis, Holothuria atra and Holothuria scabra.  
Co-Authors Iriani Ira Bukorpioper Jotje A Ingratubun Marten I. Sembai Popi Ida Laila Ayer Popy Ida L Ayer Riska Riska Tien Nova I. Yenusi TIEN NOVA YENUSI