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All Journal AQUATIC SCIENCE & MANAGEMENT ILMU KELAUTAN: Indonesian Journal of Marine Sciences The Journal of Experimental Life Sciences (JELS) Biotropika Research Journal of Life Science Jurnal Pembangunan dan Alam Lestari Journal of Indonesian Coral Reefs JFMR (Journal of Fisheries and Marine Research) AKSIOLOGIYA : Jurnal Pengabdian Kepada Masyarakat Jurnal Penelitian Pendidikan IPA (JPPIPA) EnviroScienteae Indonesian Fisheries Research Journal Jurnal Lemuru : Jurnal Ilmu Perikanan dan Kelautan Indonesia Depik Jurnal Ilmu-Ilmu Perairan, Pesisir dan Perikanan Jurnal Manusia dan Lingkungan Depik Jurnal Ilmu-Ilmu Perairan, Pesisir, dan Perikanan Jurnal Perikanan
Endang Yuli Herawati
Fakultas Perikanan Dan Ilmu Kelautan Universitas Brawijaya
Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Education Engineering Environmental Science Immunology & microbiology Materials Science & Nanotechnology Medicine & Pharmacology Neuroscience Physics Social Sciences Other

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Journal : Biotropika

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Do Biodegradable Microplastics Threaten Chlorella spp.? First Study in Indonesia Using Leachate Exposure Azizah, Nur Aini; Hindarti, Dwi; Herawati, Endang Yuli; Nainggolan, Dicky Willy; Sartimbul, Aida
Biotropika: Journal of Tropical Biology Vol. 13 No. 3 (2025)
Publisher : Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.biotropika.2025.013.03.08

Abstract

Biodegradable plastics are increasingly being promoted as environmentally friendly alternatives to conventional plastics. However, under aquatic conditions, their degradation may remain incomplete, leading to the formation of microplastics and leachates containing potentially toxic compounds. These leachates can threaten aquatic organisms, particularly microalgae, which act as primary producers and form the base of marine food web. Despite these concerns, limited research has examined the sublethal toxicity of biodegradable microplastic leachates on microalgae. This study aimed to evaluate the toxic effects of leachates derived from biodegradable polypropylene (PP) and high-density polyethylene (HDPE) plastics on the growth of the green microalgae Chlorella spp. A 96-hour static toxicity test was conducted under laboratory conditions using a completely randomized design with five concentration levels (0, 0.1, 1.0, 10, and 100 mg/L). The algae were cultured in EDTA-free Walne medium with an initial cell density of 104 cells/mL. Cell density was measured at the end of exposure to determine growth inhibition and calculate the 50% inhibitory concentration (IC50). The results showed a clear concentration-dependent response, with PP leachate exhibiting significantly higher toxicity (IC50 = 0.48 mg/L) compared to HDPE leachate (IC50 = 682.49 mg/L). These findings suggest that the chemical composition and leachability of additives differ among plastic types, influencing their environmental impact. This study highlights the potential ecological risks of biodegradable plastics and emphasizes the need for stricter regulation of additives and comprehensive ecotoxicological assessments.
Co-Authors A'yunin, Qurrota A.P.W Marhendra Abdul Aziz Amin Abdul Qadir Jailani Abdul Qadir Jailani, Abdul Qadir Abu Bakar Sambah Abu Bakar Sambah, Abu Bakar Aida Sartimbul Ainun Ramadhani Tri Wahyuni Ali Usman, Ali Aminin, Aminin Aminuddin Firdaus Anam, C Andi Kurniawan Anjasmara, Aang Setyawan Anugerah, Putri Anwari, Zaki Asus Maizar Surya Asus Maizar Suryanto H Ating Yuniarti Azis Husen, Azis Azizah, Nur Aini Bambang Semedi C Anam Chandika Lestariaji Citra Satrya Utama Dewi Daduk Setyohadi Dewa Gede Raka Wiadnya Dewa Gede Raka Wiadnya Dewi, Citra Satrya Utama Diana Arfiati Dina, Karina Farkha Dini Sofarini Dwi Hindarti, Dwi Dwi Rosalina Eddy Suprayitno Faizal Kasim Fani Fariedah Firdaus, Aminuddin Happy Nursyam Hariati, Anik Martinah Jue Liang Hsu Kiki Riski Arisandy Kristiani, Maria Kusriani Kusriani Kusriani Kusriani Kusuma, Ni Putu Dian Lisma Wardani Marhendra, A.P.W Miftahul Khair Kadim Mohammad Mahmudi Moore, Abigail Mary Muammar Kadhafi Muhammad Musa Muhklas Shah Winarno Nainggolan, Dicky Willy Nanik Retno Buwono Ni Putu Dian Kusuma Nur Maulida Safitri Nur Syahid, Nur Pratama Diffi Samuel Priska Ristianadewi Puspitasari, Asthervina Widyastami Putri Anugerah Rahmi Valina Rahmi Valina Rully Isfatul H. Ruly Isfatul Khasanah Ruly Isfatul Khasanah Saddam Langkung Djaduk Samliok Ndobe Samuel, Pratama Diffi Soemarno _, Soemarno Sri Andayani Sukandar Sukandar Surya, Asus Maizar Umi Zakiyah, Umi Valina, Rahmi Wardani, Lisma Winarno, Muhklas Shah Yanuhar, Uun Yatris Rambu Tega Yenny Risjani Yuni Kilawati