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Toxicity of Extracts and Fractions of Bangkal Leaves (Nauclea subdita (Korth.) Steud.) and Genjer (Limnocharis flava (L.) Buch) on the Bioindicator Artemia salina Leach Arsyik Ibrahim; Sealti Puji Salea; Sri Windarti; M. Rahmad Ramadhan; Hidfdzur Rashif Rija'i; M. Arifuddin; Laode Rijai
Journal of Pharmaceuticals and Natural Sciences Vol. 3 No. 1 (2026): J. Pharm. Nat. Sci.
Publisher : B-CRETA Publisher (CV. Borneo Citra Kreatama)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70392/jpns.v3i1.47

Abstract

A study was conducted on the secondary metabolite content and toxicity testing of Artemia salina leach larvae using extracts from Bangkal leaves (Nauclea subdita (Korth.) Steud.) and Genjer plants (Limnocharis flava (L.) Buch). The objective of this study is twofold: firstly, to ascertain the compounds present in Bangkal leaf extract and Genjer plant extract, and secondly, to assess the toxicity levels of the extracts and fractions from Bangkal leaves and Genjer plants on Artemia salina Leach larvae. In this study, the extraction method employed was maceration with 96% ethanol as the solvent. The crude 96% ethanol extract was fractionated in stages using n-hexane, ethyl acetate, and n-butanol solvents based on polarity levels. The toxicity testing was conducted using the Brine Shrimp Lethality Test (BSLT) method, with Artemia salina Leach larvae serving as the bioindicator. A range of test concentrations were utilised, with each concentration having three replicates. The mortality of Artemia salina was observed after a 24-hour period and was analysed using the Reed and Muench method to determine the LC50 value. The results of the study demonstrated that the secondary metabolites present in the 96% ethanol extract of bangkal leaves com-prised the following groups of compounds: steroids, and triterpenoids, phenols, quinones, and saponins. The toxicity test results of the bangkal leaf extract and fractions yielded LC50 values of 418.79 ppm for the 96% ethanol extract; 716.14 ppm for the n-hexane fraction; 263.03 ppm for the ethyl acetate fraction; and 70,79 ppm for the extract n-buthanol fraction. Meanwhile, the toxicity test results of the genjer plant extract and fractions obtained an LC50 value of 490.23 ppm for the 96% ethanol extract; n-hexane fraction 551.31 ppm; ethyl acetate fraction 425.01 ppm; and n-butanol fraction extract 46.02 ppm. These results indicate that the n-butanol fraction of bangkal leaves and genjer plants have stronger cytotoxic activity than other fraction extracts.
PENGEMBANGAN MEDIA PEMBELAJARAN VIRTUAL LAB UNTUK MENINGKATKAN KETERAMPILAN PROSES SAINS DAN PENGUASAAN KONSEP MATERI TITRASI ASAM BASA PADA SISWA SMA TAHUN PEMBELAJARAN 2020/2021 Muhammad Alhimni Rusdi; Herliani Herliani; Laode Rijai
Jurnal Zarah Vol. 9 No. 2 (2021): October, 2021
Publisher : Fakultas Keguruan dan Ilmu Pendidikan, Universitas Maritim Raja Ali Haji

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31629/zarah.v9i2.3350

Abstract

Media pembelajaran adalah satu hal penting dalam proses belajar mengajar. Pemanfaatan teknologi masa kini menjadi salah satu pilihan dalam meningkatkan kualitas pembelajaran. Penelitian ini bertujuan untuk mengembangkan media pembelajaran virtual lab untuk meningkatkan keterampilan proses sains siswa dan penguasaan konsep materi titrasi asam basa pada siswa SMA yang valid, efektif, dan praktis. Model pengembangan yang digunakan adalah model 4-D (Four D Models) yang terdiri atas Define, Design, Development, dan Dessiminate. Subjek penelitian ini adalah siswa kelas XI IPA B SMA IT Granada Samarinda. Instrumen penelitian berupa lembar validasi, soal pretest dan posttest, dan angket respon siswa. Hasil validasi media pembelajaran virtual lab titrasi asam basa oleh ahli materi, ahli IT, dan praktisi mendapat skor rata-rata 3,64 dengan kategori sangat baik. Keefektifan media didasarkan pada peningkatan keterampilan proses sains dan penguasaan konsep materi siswa yaitu pada praktikum I , II, dan III berturut-turut 71%, 80% dan 90%, serta hasil analisis pretest-posttest menunjukkan nilai N-Gain sebesar 0,71 dengan kriteria sangat efektif. Kepraktisan media berdasarkan hasil analisis angket respon siswa sebesar 3,04 dengan kriteria baik.
Co-Authors Aan Qanitina Hanif Abdul Rahman, Janggo Adam M. Ramadhan Ade Purnama Septiani Aditya Fridayanti Aditya Fridayanti Aditya Fridayanti Adzimahtinur Pradawahyuningtyas Agus Setiawaty Alfenia Rahmayanti Almeida, Maria Amanda, Rezti Andi Berbi Ollan Yunus Andi Nurazmi Andini Eka Bahari Putri Anggreini, Putri Anintia Nitami Faradillah Anisha Putri Anjanie Medyawati Utami Annisa Anugrah Putri Annisa Mercury Ardella Safilla Arfiani Arifin Arfina Sukmawati Arifin Arief Fadillah Arifian, Hanggara Arifuddin, M Arifuddin, Muhammad Arniah Arniah Arsyik Ibrahim Arsyik Ibrahim Arum, Alvionita Puspa Aryanti Aryanti Ayu Ulfa Sari Badawi, Satriani Baso Didik Hikmawan Bohari Yusuf Bone, Mahfuzun Brilian Dwisaputra Bandu Bulan, Adisty Sindi Chairunnisa Arbain Claudea Ersamy Janafrish Deasy Novia Sari Defriana Defriana Delti Delaya Busa Desire Janetha Asdedi Destri Erawaty Desy Aulia Rahmah Desy Triary Sandi Devanty Fadilla Dewi Maimunah Dewi Mayasari Dewi Nurmashita Dewi Rahmawati Dimas Aqil Fikrinda Dina Sofia Djoko Setyadi Dyera Wahyu Heraningtyas Eka Rizky Meilinda Emil Bahtiar Erwin Samsul Erwin Samsul Ester Melenya Looys Nababan Euis Julaeha Eva Hairdiana Umar Fadhil, Andi Raihan Fadhli Nurrahman W Fahriani Iatiqamah Jafar Fahriani Istiqamah Jafar Fahrul Rozi Fahrul Rozi Fajar Prasetya Fajar Prasetya Farah Erika Farah, Harra Ismi Fatma Sari Fauziah Halimatussa’diah Febrina Mahmudah Femy Linggi Allo Fika Aryati Firzan Nainu Fisi Karimah Khoirunnisa Fitri Rhamadhani Fitriani Fitriani Florensius Rinaldi F Fush Shilat Jibalathuull Hadi Kuncoro Hadi Kuncoro Hajrah Hajrah Hajrah Hajrah Hanggara Arifian Hardian Hardian Hardiana Sepryanti Palinoan Hariati Hariati Helmi Helmi Herliani Herliani Herliani Herliani Herman Herman Hernawati, Desy Hidayat Hidayat Hidfdzur Rashif Rija'i Hifdzur Rashif Rija’i Husein Hernadi Bahti Ibrahim, Arsyik Iffah Karina Ghassani Ina Indriyani Indah Puspa Dewi Indri Verrananda M Inul Ahmanda Reiza Islamudin Ahmad Islamudin Ahmad Iswahyudi Iswahyudi Iswahyudi Iswahyudi Jaka Fadraersada Janggo Abdul Rahman Jeny Maryani Liu Jeremia Giawa, Agusto Jessica Jumiati Catur Ningtyas Junaidin Junaidin Junaidin, Junaidin Jusmiati Jusmiati Kadir, Nurdianah Abdul Kama Tasawa, Gymnastiyar Kartika Damasanti Mamonto Khoiriyah Anbar Mufidah Kiki Argananta Kiki Nur Azizah Hidayatul Fitria Kindi Farabi Kusnul Nurhidayah Lestari, Wahyu Yunita Lia Novita Alydrus Lia Puspitasari Lilis Pania Anugrah Lisna Meylina Lisna Meylina Lita Nur Hanifa Lizma Febrina M Arifuddin M. Arifuddin M. Arifuddin M. Arifuddin, M. M. Rahmad Ramadhan Mahfuzun Bone Marlyan Bone MARYAM, SYARIFAH Maya Apriliani Maziyyah Husna Mega Silvia Meilisa Athiyah Meilita Efliana Mersi Mersi Mira Susanti Mirhansyah Ardana Mohd Azlan Nafiah, Mohd Azlan Muhammad Alhimni Rusdi Muhammad Faisal Muhammad Rasyid Indrawan Mukti Priastomo Mus, Nurul Muhlisa Nadia Rahma Kusuma Dewi Nia Oktaviani Ninin Kartika Ulfa Nisa Naspiah Novalia Debora Novalinda Novalinda Novita Eka Kartab Putri Novita Eka Kartab Putri Novita Sari Nugra Ilmahdi Nunuk Hidayanti Nur Masyithah Zamruddin Nur Masyithah, Z Nur Mita Nur Shidiq Nurul Annisa Nurul Fitriani Nurul Fitriani Nurul Hasanah Oktaviany Triana Olivia Siregar, Vita Oppi Yolan Destiyana Pasaribu, Handayani Pasuria Panjaitan Petrina Febrianti Pindo Hardika P.A.N Puji Rahayu Purwita Sari, Regina Putri Anggraeni Putri Purnamasari Rafika Hasdina Rahmadani, Agung Rahmat Budiman Rama Febryanto Ramadhan, M. Rahmad Rania Afifa Yasmin Rashif Rijai, Hifdzur Raudhatul Munawassalmiah Rezky Khairun Nisaa, Nur Rezqiyana, Gita Anna Rezti Amanda Richardus Rayendra Euriko Ridhotulloh, Yusuf Isro Rija'i, Hifdzur Rashif Rijai, Hifdzur Rashif Rija’i, Hifdzur Rashif Riki Riki RIKI RIKI, RIKI Rina Adilla Akmalia Ririn Novriyanti Risa Yusnita Riska Harfiani Junaid Risna Agustina Rohani Rohani Rolan Rusli Ruli Kuswati Rullah Hermanda Rusdi, Muhammad Alhimni Rusman, Arman Rymond Jusuf Rumampuk Sabaniah Indjar Gama Salam, Supriatno Santy Dara Krisnawati Saputri, Mitha Sari, Indah Dewi Sealti Puji Salea Selvi Jumiatul Astati Serly Monika Putri Sibarani Evy Morita Sinthary, Venna Sita, Annisa Aulia Siti Aisyah Siti Hardiyanti Siti Hardiyanti Siti Hasanah Siti Ulfah Hidayah Sri Andriani Allo Bulawan Sri Indah Mulyawan Dewi Sri Windarti Sukemi Sukemi Sulistiarini, Riski Suparningtyas, Juniza Firdha Supriatno Supriyatna Sutardjo Susan Susan Syamsiar, Syamsiar Syarifah Hudaya Tari Maulidina I.P Tasya, Indriana Tetra Hidayat Tias Puspita Sari Tina Dwi Rahayu Unang Supratman Usman Usman Vendryca Reckow Venna Shintary Venna Sinthary VICTORIA YULITA FITRIANI Vika Aura Rislianti Vilca Veronica Hasiani Vina Maulidya Vinny Indriani Vinny Sukma Wijayana Putri W.C. Taylor Wahyu Widayat Welinda Dyah Ayu Whenny Whenny Wijaya, Viriyanata Wirhanuddin, Wirhanuddin Wisnu Cahyo Prabowo Wulan Maulida Yazid, Muhammad Ilfan Yiska Priscilla Septilita Yoshihito Shiono Yuniarti Pudji Rahayu Yuspian Nur Yuyun Arlita