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All Journal HAYATI Journal of Biosciences MODELING: Jurnal Program Studi PGMI Jurnal Gizi dan Pangan Soedirman (JGPS) Jurnal Biologi Tropis Pendas : Jurnah Ilmiah Pendidikan Dasar JURNAL PENDIDIKAN TAMBUSAI Journal Multicultural of Islamic Education Sumatera Medical Journal Jurnal Kesmas Prima Indonesia Journal of Contemporary Accounting Best Journal (Biology Education, Sains and Technology) JATI (Jurnal Mahasiswa Teknik Informatika) Jurnal Ilmiah Profesi Pendidikan MURHUM : JURNAL PENDIDIKAN ANAK USIA DINI Djtechno: Jurnal Teknologi Informasi Jurnal EduHealth FAGURU: Jurnal Ilmiah Mahasiswa Keguruan Jurnal Informatika dan Teknologi Pendidikan Amal: Jurnal Ekonomi Syariah Software Development Digital Business Intelligence and Computer Engineering Jurnal Imu Pendidikan dan Keagamaan Jurnal Pendidikan Matematika Jakia : Jurnal Kesehatan Ibu dan Anak WATHAN: Jurnal Ilmu Sosial dan Humaniora Tepak Sirih : Jurnal Pengabdian Kepada Masyarakat Madani Al-Tadris: Jurnal Pendidikan Bahasa Arab IJIS Edu : Indonesian Journal of Integrated Science Education
Aulia, Annisa
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Religion Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Engineering Health Professions Immunology & microbiology Languange, Linguistic, Communication & Media Mathematics Medicine & Pharmacology Nursing Public Health Social Sciences Veterinary Other

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PENGEMBANGAN E-LKPD BERBASIS MODEL PROBLEM BASED LEARNING (PBL) PADA MATERI SISTEM PERSAMAAN LINEAR TIGA VARIABEL FASE E MAN 3 PASAMAN BARAT Aulia, Annisa; Yusri, Radhya; Yunita, Alfi
Pendas : Jurnal Ilmiah Pendidikan Dasar Vol. 10 No. 03 (2025): Volume 10 No. 03 September 2025 Terbit
Publisher : Program Studi Pendidikan Guru Sekolah Dasar FKIP Universitas Pasundan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23969/jp.v10i03.32749

Abstract

Penelitian ini dilatar belakangi oleh pemanfaatan teknologi yang masih kurang pada bahan ajar sesuai dengan tuntutan kurikulum merdeka yang menuntut peserta didik untuk berpikir kritis dan belajar secara mandiri, sehingga membuat peserta didik kesulitan dalam memahami materi pembelajaran, khususnya materi sistem persamaan linear tiga variabel. Penelitian ini bertujuan untuk menghasilkan E-LKPD valid dan praktis pada materi sistem persamaan linear tiga variabel.Penelitian ini merupakan jenis penelitian pengembangan R&D (Research and Development) dengan menggunakan model pengembangan ADDIE (Analyze, Design, Development, Implementation, Evaluation). Produk yang dikembangkan berupa E-LKPD berbasis Problem Based Learning (PBL) pada materi sistem persamaan linear tiga variabel. Subjek penelitian ini adalah siswa kelas X Fase E MAN 3 Pasaman Barat. Instrumen yang digunakan dalam penelitian ini berupa lembar validasi dan lembar uji praktikalitas.Berdasarkan hasil validitas E-LKPD oleh validator ahli media dan ahli materi diperoleh persentase penilaian akhir kevalidan E-LKPD 90,14% dengan kategori sangat valid. Nilai kepraktisan dengan pendidik memperoleh nilai akhir 86,66% dengan kategori sangat praktis dan nilai akhir uji praktikalitas peserta didik diperoleh persentase 86,28% dengan kategori sangat praktis. Berdasarkan hasil penelitian dapat disimpulkan bahwa E-LKPD berbasis Problem Based Learning (PBL) pada Materi Sistem Persamaan Linear Variabel Kelas X Fase E MAN 3 Pasaman Barat dinyatakan valid dan praktis untuk digunakan oleh pendidik dan peserta didik.
The Effect of Methyl Jasmonate on Massoia Lactone Production in Callus Culture of the Endangered Masoyi Plant (Cryptocarya massoy (Oken) Kosterm.) Aulia, Annisa; Noli, Zozy Aneloi; Idris, Muhammad
HAYATI Journal of Biosciences Vol. 33 No. 2 (2026): March 2026
Publisher : Bogor Agricultural University, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.4308/hjb.33.2.321-330

Abstract

Cryptocarya massoy (Oken) Kosterm is a plant known for producing essential oils with many applications. However, overexploitation has threatened the sustainability of this plant. This study aims to identify the effect of adding methyl jasmonate to the culture medium on producing secondary metabolites through the callus culture of C. massoy. The methods in this study include callus induction, callus elicitation in liquid culture, callus extraction, analysis of secondary metabolite compounds in C. massoy callus culture, and data analysis. The results show a significant decrease in fresh weight of callus exposed to MeJA stress, depending on the concentration. Regarding secondary metabolites, massoia lactone, the primary compound in C. massoy, was not detected. It is possible that the duration of elicitation was insufficient to induce the biosynthesis and accumulation of detectable levels of massoia lactone. Secondary metabolite production often follows a specific temporal pattern, and certain compounds may require longer exposure times to reach detectable concentrations. The concentration of MeJA influenced the level of other target compound production, where at 0.5 mM MeJA increased the percentage of humulene by 24.64%. MeJA at 1.5 mM enhanced the percentage of ß-copaene (413.11%), ß-ylangene (100%). MeJA at 2 mM increased benzyl benzoate (9.61%). MeJA at 2.5 mM increased α-ylangene (31.25%) and caryophyllene (22.83%). Each MeJA concentration activated specific biosynthesis pathways, influencing the types of secondary metabolites produced. The metabolite screening revealed a predominance of terpenoids, especially sesquiterpenes, which play a role in plant defense.
Co-Authors Abd. Muqit ADE HIKMAT Ahmad Ubaidillah Akasna, Ezra Tri Mutiara Akram Fais, Muhammad Al Maliki, Ahmad Zen Alfi Yunita Alifi Putera, Restu Arina Widya Murni Ashal, Taufik Auliya', Hilyatul Azizah, Arifatun Dinana, Retno Aqimnad Fathur Rohman, Fathur Firmansyah Firmansyah Ginting, Wira Maria Harahap, Mahfuza Delila Hardeli Hardeli Heriani, Fadhilah Irmansyah . Karimullah Karimullah Khayati, Arimbi Juhairoh KOWIYAH KOWIYAH Kurniawansyah, Edy Lesmana, Asep Surya Lubis, Mia Aulina Maharani, Marsanda Shinta Maliza, Rita Marisa, Cindy Masniladevi, Masniladevi Meidawati, Neni Muhammad Faisal Muhammad Idris Muhammad Muharrom Mukmin Mukmin Mustafa Noer Mustari, Mohamad Nasution, Putri Fazrisina Nopiyanti, Tita Putri, Azlia Anugerah Radhya Yusri, Radhya rahmadani, gina okta Rahmawan, Ahmad Irvan Rahmayani, Mentari Tri Indah Resti Rahayu Rismayani, Dessy Rizki, Kartika Sari Rosmiati, Indah Salsabila, Unik Hanifah Santy Deasy Siregar Saputri, Soraya Satria Riki Mustafa, Satria Riki Siti Nurmala Sumardi, Lalu Syafi’i, Imam Triyanti Triyanti Untung Nopriansyah Utami, Urfi Wiwin Luqna Hunaida, Wiwin Luqna Yaslinda Yaunin Yulistini yunita, alya Zozy Aneloi Noli