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All Journal Cokroaminoto Journal of Chemical Science Jurnal Guru Pencerah Semesta (JGPS)
Yusiranna
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Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Education Energy Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Social Sciences Other

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IDENTIFIKASI SENYAWA STEROID DARI PANGSA KULIT DURIAN (Durio zibethinus) Ilmiati Illing; Yusiranna
Cokroaminoto Journal of Chemical Science Vol. 1 No. 1 (2019): Agustus
Publisher : Universitas Cokroaminoto Palopo

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Abstract

Plants are natural ingredients that are widely used as traditional medicines and have been used for a long time by the people of Indonesia, even more popular both for the purpose of health care, treatment, and beauty, one of which is the use of durian rind as an anti-cholesterol drug based on their knowledge for generations. Although it is not yet equipped with scientifically convincing data regarding the content of active compounds that make it a nutritious drug, scientific research is needed in the form of identifying the steroid compounds contained therein. This research used maceration extraction method. A total of 50 grams of durian skin share powder was soaked with 96% ethanol which was carried out for 3 days with replacement fluid. Furthermore, the identification of secondary metabolite compounds by the Gas Chromatography-Mass Spectroscopy (GC-MS) Agilent 7890A-5975C method. Based on the results of a study conducted a share of positive durian skin containing a group of steroid compounds in the form of beta-sitosterol.
Pengaruh Discovery Learning Terhadap Hasil Belajar Siswa Di Kelas Xi MIPA 4 SMA Negeri 8 Maros Mohd Hisham; Andi Asri Jumiaty; Rahmatullah; A Eka Nadhirah Zal Zabilah; Ratna; Yusiranna; Virdayanti Anwar; Irma Fitriani; Mutiara Pelangi Dya Ayu Reski
Jurnal Guru Pencerah Semesta Vol 2 No 2 (2024): Jurnal Guru Pencerah Semesta (JGPS)
Publisher : Fakultas Keguruan dan Ilmu Pendidikan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56983/jgps.v2i2.1162

Abstract

Tujuan dalam penelitian ini adalah mengetahui pengaruh discovery learning terhadap hasil belajar siswa di kelas XI MIPA 4 SMA 8 MAROS. Sampel yang digunakan dalam penelitian ini yaitu penelitian ini adalah peserta didik kelas XI MIPA 4 yang berjumlah 36 peserta didik, perempuan 23 orang dan laki-laki 13 orang. Jenis Penelitian ini adalah penelitian tindakan kelas (CAR). Dalam penelitian tindakan kelas terdiri dari II siklus, dimana satu siklus terdiri atas empat komponen, yaitu: (1) perencanaan (planning), (2) pelaksanaan (action), (3) pengamatan (observing), dan (4) refleksi (reflecting). Ketuntasan hasil belajar siswa secara individu, datanya dianalisis apabila siswa telah berhasil mencapai atau melewati standar nilai Kriteria Ketuntasan Minimum (KKM) sebesar 80%. Hasil menunujukkan bahwa ketuntasan belajar mencapai 83% atau ada 30 siswa dari 36 siswa sudah tuntas belajar. Hasil ini menunjukkan bahwa pada siklus II ini ketuntasan belajar secara klasikal telah mengalami peningkatan lebih baik dari siklus I.
Co-Authors A Eka Nadhirah Zal Zabilah Andi Asri Jumiaty Illing, Ilmiati Irma Fitriani Mohd Hisham Mutiara Pelangi Dya Ayu Reski Rahmatullah Ratna Virdayanti Anwar