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All Journal Depik Jurnal Ilmu-Ilmu Perairan, Pesisir dan Perikanan Depik Jurnal Ilmu-Ilmu Perairan, Pesisir, dan Perikanan Journal of Fisheries & Marine
Karilanata, Khalid Erlangga
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Biochemistry, Genetics & Molecular Biology Earth & Planetary Sciences Education Engineering

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The effect of lignosulfonate chemical stimulator to the metabolites of Euglena sp. Luthfiana, Dwi Hardianti; Karilanata, Khalid Erlangga; Maghfiroh, Khusnul Qonita; Kurnianto, Dedy; Amelia, Ria; Erfianti, Tia; Larasati, Ersi; Putri, Renata Adaranyssa Egistha; Suyono, Eko Agus
Depik Jurnal Ilmu Ilmu Perairan, Pesisir, dan Perikanan Vol 14, No 2 (2025): JUNE 2025
Publisher : Faculty of Marine and Fisheries, Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13170/depik.14.2.30804

Abstract

Euglena sp. contains several metabolites that play a role in various sectors, likely biofuels, food, feed, and pharmaceuticals. Multiple treatments are required to increase the content of Euglena sp.to support its use. In this study, a chemical stimulant in the form of lignosulfonate was added to Euglena sp. in order to increase its natural potency as measured by lipid, carbohydrate, protein, paramylon content, and biomass productivity. Lignosulfonate is a macromolecular polyelectrolyte and anionic surfactant that is unique and multifunctional. This lignosulfonate can act as an emulsifier, dispersing agent, binder, and stabilizer of lipids in Euglena sp. cells. In addition to the lignosulfonate chemical stimulator, it can affect the growth process of Euglena sp. so that it can produce good-quality cells. The method used was a Completely Randomized Factorial Design (CRD) with three treatments and three replications. The results obtained indicated that the addition of lignosulfonate was significantly changed the cell and protein density tests. Therefore, the optimal concentration of lignosulfonate can be used as an agent to increase the growth rate and metabolites of Euglena sp. significantly.Keywords:BiofuelEuglena sp.Growth rateslignosulfonateMetabolites
The effect of lignosulfonate chemical stimulator to the metabolites of Euglena sp. Luthfiana, Dwi Hardianti; Karilanata, Khalid Erlangga; Maghfiroh, Khusnul Qonita; Kurnianto, Dedy; Amelia, Ria; Erfianti, Tia; Larasati, Ersi; Putri, Renata Adaranyssa Egistha; Suyono, Eko Agus
Depik Jurnal Ilmu Ilmu Perairan, Pesisir, dan Perikanan Vol 14, No 2 (2025): JUNE 2025
Publisher : Faculty of Marine and Fisheries, Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13170/depik.14.2.30804

Abstract

Euglena sp. contains several metabolites that play a role in various sectors, likely biofuels, food, feed, and pharmaceuticals. Multiple treatments are required to increase the content of Euglena sp.to support its use. In this study, a chemical stimulant in the form of lignosulfonate was added to Euglena sp. in order to increase its natural potency as measured by lipid, carbohydrate, protein, paramylon content, and biomass productivity. Lignosulfonate is a macromolecular polyelectrolyte and anionic surfactant that is unique and multifunctional. This lignosulfonate can act as an emulsifier, dispersing agent, binder, and stabilizer of lipids in Euglena sp. cells. In addition to the lignosulfonate chemical stimulator, it can affect the growth process of Euglena sp. so that it can produce good-quality cells. The method used was a Completely Randomized Factorial Design (CRD) with three treatments and three replications. The results obtained indicated that the addition of lignosulfonate was significantly changed the cell and protein density tests. Therefore, the optimal concentration of lignosulfonate can be used as an agent to increase the growth rate and metabolites of Euglena sp. significantly.Keywords:BiofuelEuglena sp.Growth rateslignosulfonateMetabolites
Harvesting Optimization, Biomass, and Lipid Content Analysis of Euglena sp. Culture with Ettlia texensis Bioflocculant and Commercial Chitosan Agus Suyono, Eko; Mudrikah, Siti; Karilanata, Khalid Erlangga; Kurnianto, Dedy; Budiman, Arief; Dewayanto , Nugroho; Putri, Renata Adaranyssa Egistha; Sadewo , Brilian Ryan; Erfianti, Tia
Jurnal Ilmiah Perikanan dan Kelautan Vol. 17 No. 2 (2025): JURNAL ILMIAH PERIKANAN DAN KELAUTAN
Publisher : Faculty of Fisheries and Marine Universitas Airlangga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/jipk.v17i2.57417

Abstract

Graphical Abstract   Highlight Research  Bioflocculation technique can improve the harvesting effectiveness of semimass culture of Euglena sp. The addition of E. texensis can significantly increase the flocculation efficiency of Euglena sp. The addition of commercial chitosan was able to increase the flocculation efficiency of Euglena sp. The biomass and lipid content produced by Euglena sp. with E. texensis flocculant agent showed higher results than the biomass and lipid content produced by Euglena sp. with commercial chitosan flocculant agent.   Abstract Euglena sp. has a high potential to be developed as biofuel. However, the high cost and energy required for the harvesting process are hindering the production. Flocculation using natural substances, such as microorganisms and biopolymers, offers a promising solution to minimize energy and production costs, so it is applicable on a mass scale. Ettlia texensis is one of the autoflocculating microalgae that can excrete extracellular polymeric substances (EPS). Chitosan is a linear copolymer of D-glucosamine and N-acetyl-D-glucosamine produced by the deacetylation of chitin, which is usually exploited by marine crustaceans, shrimp, and crabs. Chitosan has a very high cation load, so it is often used for coagulation or flocculation. This study explores the potential of E. texensis and chitosan as flocculant agents to harvest the mass culture of Euglena sp. by giving different doses E. texensis with 1:0.25 (E3), 1:0.5 (E4), 1:1 (E5), and 1:2 (E6), and chitosan with 1.25 mg (C1), 2.5 mg (C2), 3.75 mg (C3), and 5 mg (C4). This research began with the cultivation of Euglena sp. and E. texensis on a 50 L scale for 12 days. The effectiveness of flocculation was measured by the spectrophotometric method. Based on this research, the best treatment for harvesting Euglena sp. culture by bioflocculation was shown by the addition of chitosan (5 mg) with the recovery of 84.83%, 0.2213 mg/mL biomass, and 0.2117 mg/mL lipid content. Meanwhile, with E.  texensis, the best was shown by the ratio of 1:2 with recovery 84.71%, 0.2053 mg/mL biomass, and 0.1753 mg/mL
Co-Authors Agus Suyono, Eko Amelia, Ria Arief Budiman Dewayanto , Nugroho Eko Agus Suyono Erfianti, Tia Kurnianto, Dedy Larasati, Ersi Luthfiana, Dwi Hardianti Maghfiroh, Khusnul Qonita Putri, Renata Adaranyssa Egistha Sadewo , Brilian Ryan siti mudrikah