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All Journal Asian Journal of Aquatic Sciences
Mira Angelina Syah
Department of Marine Science, Faculty of Fisheries and Marine, Universitas Riau
Agriculture, Biological Sciences & Forestry

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EXTRACTION OF CAROTENOID PIGMENTS FROM BACTERIA LD07 ISOLATED FROM THE COASTAL WATERS OF DUMAI Mira Angelina Syah; Ummi Mardhiah Batubara; Irwan Effendi
Asian Journal of Aquatic Sciences Vol. 9 No. 1 (2026): April
Publisher : Lembaga Penelitian dan Pengabdian Kepada Masyarakat Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/ajoas.9.1.88-94

Abstract

Carotenoids are natural pigments with significant potential that are widely synthesized by photosynthetic bacteria. In addition to playing a role in photosynthesis, carotenoids also function as natural antioxidants capable of inhibiting the formation of free radicals and providing protection against oxidative stress. This study aims to characterize and to identify carotenoid pigments synthesized by marine photosynthetic bacteria, to determine the types of pigments, as well as to prove their antioxidant activity. The method used in this study was experimental, conducted to test the ability of marine photosynthetic bacteria to synthesize carotenoid pigments as producers of antioxidant compounds. The results of the study indicate that isolate LD07, a photosynthetic marine bacterium, contains carotenoid pigments. UV-Vis spectrophotometer analysis revealed a maximum absorption peak at a wavelength of 490 nm, a value within the characteristic absorption region of carotenoid pigments
Co-Authors Batubara, Ummi Mardhiah Irwan Effendi