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All Journal Tropical Medicine Journal Biospecies Biosfer: Jurnal Tadris Biologi Tadris: Jurnal keguruan dan Ilmu Tarbiyah Bioedukasi: Jurnal Pendidikan Biologi Biota Biology, Medicine, & Natural Product Chemistry Jurnal Pengabdian Kepada Masyarakat (Indonesian Journal of Community Engagement) Bio Ilmi: Jurnal Pendidikan Agriprima : Journal of Applied Agricultural Sciences BIOEDUSCIENCE JMM (Jurnal Masyarakat Mandiri) Jurnal Ilmu Kedokteran dan Kesehatan Jurnal Medika Malahayati BIOSFER : Jurnal Biologi dan Pendidikan Biologi AL-ULUM: JURNAL SAINS DAN TEKNOLOGI Jurnal Pembelajaran dan Biologi Nukleus Jurnal Ilmiah Biologi Eksperimen dan Keanekaragaman Hayati (J-BEKH) 3BIO: Journal of Biological Science, Technology and Management Seminar Nasional Peningkatan Mutu Pendidikan Jurnal EduHealth Inornatus: Biology Education Journal Jurnal Pemberdayaan Masyarakat Gunung Djati Conference Series Organisms: Journal of Biosciences Riwayat: Educational Journal of History and Humanities Journal Fatmawati Laboratory & Medical Science Jurnal Bioteknologi & Biosains Indonesia (JBBI) IJIS Edu : Indonesian Journal of Integrated Science Education Jurnal Bioteknologi & Biosains Indonesia
Marlina Kamelia
Universitas Islam Negeri Raden Intan Lampung
Religion Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Energy Engineering Environmental Science Health Professions Immunology & microbiology Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Materials Science & Nanotechnology Mathematics Medicine & Pharmacology Neuroscience Public Health Social Sciences Veterinary Other

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Identification and Abundance of Microplastic Species in Three Final Processing Sites in Lampung Province Almayda, Lika Dini; Kamelia, Marlina; Hoya, Ade Lenty
Riwayat: Educational Journal of History and Humanities Vol 8, No 2 (2025): April
Publisher : Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24815/jr.v8i2.45323

Abstract

Microplastics are plastic waste that is smaller than 5 mm in size Microplastics have persistent properties and contain toxic or carcinogenic chemicals that can seep into the soil through osmosis and enter the food chain, thus impacting health and the environment. The purpose of this study is to determine the types of microplastics in the Three Final Processing Sites in Lampung Province and to determine the abundance of microplastics in the Three Final Processing Sites in Lampung Province. Soil samples were taken using purposive sampling at three different points at the landfill on December 4, 2024. visual identification and abundance of microplastics using microscope and FTIR (Fourier transform infrared) test. The highest abundance of microplastics was found at the Bumi Ayu landfill point (580 particles. Kg-1). The diversity of microplastic characteristics in the form of fragments, fibers, and films, the most fragment particles in soil samples. The color of microplastic particles is predominantly black and brown. The size range of microplastic particles found is between 2,12m-110,25m. Microplastic pollutants are Nylon, PVA, PMMA. The results of this study reveal that plastics that have undergone physical or chemical degradation can more easily become small fragments, thus increasing the number of microplastics produced.
Total Phenolic Content and Total Flavonoid Content of Crystal Guava Fruit Extract (Psidium guajava Linn. cv Kristal) Ulmillah, Aulia; Kamelia, Marlina; Ismiati, Devi Nata
3BIO: Journal of Biological Science, Technology and Management Vol. 8 No. 2 (2026)
Publisher : School of Life Sciences and Technology, Institut Teknologi Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5614/3bio.2026.8.2.6

Abstract

  Crystal guava (Psidium guajava Linn. cv. Kristal) was known to contain various secondary metabolites, particularly phenolic compounds and flavonoids, which acted as bioactive components with antioxidant potential. Characterization of these compounds is necessary to understand the chemical profile of the crystal guava fruit, especially in the edible portion. The objective of this study was to determine the total phenolic and flavonoid profiles in crystal guava fruit pulp extract with different maturation levels. This study was an experimental laboratory-based analytical study. Fruit pulp samples were dried to a constant weight, then extracted using the maceration method with methanol as the solvent. Total phenolic content was determined using the Folin–Ciocalteu method and expressed as gallic acid equivalents, while total flavonoid content was analyzed using the AlCl3 method and expressed as quercetin equivalents. Absorbance measurements were performed using a UV–Vis spectrophotometer. The data were analyzed using the Kruskal–Wallis nonparametric test, followed by the Mann–Whitney test to assess group differences. Results showed that the total flavonoid content from three samples was 130.9 mg QE/g extract, 93.3 mg QE/g extract and 185.9 mg QE/g extract. Meanwhile, total phenolic compound content was 198.5 mg GAE/g extract, 210.4 mg GAE/g extract, and 345.0 mg GAE/g extract. Statistical analysis showed significant differences (p<0.05) in the total phenolic and flavonoid content between extract groups. These findings indicate that crystal guava fruit extract has significant variation in phenolic and flavonoid compound content, making it a potential subject for further study in the context of food-based bioactive compound utilization.
Co-Authors Ade Lenty Hoya Adistyaningrum, Nurul Ahmad Ahmad Ahmad Ahmad Ahmad Fauzi Rosnadi Almayda, Lika Dini Andri Jaya Kesuma Ari Hermawan Asa Izati Aulia Novitasari Aulia Ulmillah Aulia Ulmillah Ayu Febriyani, Vicca Badrul Kamil Baika, Febta Dwi Bambang Sri Anggoro Deffi Novitasari Dian Nur Chomsyah Dina Maulina Dwijowati Aji Saputri Dwijowati Asih Saputri Farida, Farida Faridah, Indah Fathurohman Fathurohman Fathurohman Fathurohman, Fathurohman FNU Supriyadi Franciska Anes Rianti Hendras Restuti, Ayesha Utari Hening, Jeni Latri Indah Faridah Irbah, Istiana Irma Sari Irma, Putri Irwandani Irwandani Ismiati, Devi Nata Khairul Anam Khairul Anam Kurnia, Aniza Mahardika Agus Wijayanti Mahmud Rudini Maylinda, Vera Meirina Meirina Meirina, Meirina Muhammad Fahmi Erlangga Netriwati Nita Ayu Agustin Novita Nurhasanah Novitasari, Deffi Novitasari, Yeni Novitasari, Yeni Nurhaida Widiani Nurhaida Widiani Oktaviyani, Sari Ovi Prasetya Winandari Ovi Prasetya Winandari, Ovi Prasetya Puji Nurrohmah Putri Irma Rani Yosilia Rasuane Noor Reza Fahlida Rina Budi Satiyarti Rina Budi Satiyarti, Rina Budi Riyanti, Franciska Anes Rizki, Erika Puspita Ruhban Maskur Sa'adah, Farida Putri Saadah, Farida Putri Satitiningrum, Yuni Shinta Almayra Shinta Anisya Siswahyudianto Siti Fatayati Suci Ristawati Suci Wulan Pawhestri Suci Wulan Pawhestri Suci Wulan Pawhestri Suharno Zein Suharno Zein Suharno Zein, Suharno Suharno Zen Supargiyono - Supriyadi Supriyadi Supriyadi Supriyadi Suri, Intan Mulia Tantri Subo Marmanik Triawan Alkausar Umillah, Aulia Veny Endarhadi A Winda Isti Utami Yeni Novitasari Yessy Velina Zackia Irina Zahra Zahra, Zackia Irina