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All Journal Jurnal Florea JURNAL PENDIDIKAN TAMBUSAI
Nailil Mona
Universitas PGRI Semarang
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Social Sciences

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Fraksinasi Ekstrak Metanol Buah Parijoto (Medinilla speciosa Blume) dengan Pelarut Metanol, Etil Asetat, dan N-Heksana Nailil Mona; Dyah Ayu Widyastuti; Atip Nurwahyunani; Fafa Nurdyansyah
Florea : Jurnal Biologi dan Pembelajarannya Vol 9, No 2 (2022)
Publisher : UNIVERSITAS PGRI MADIUN

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25273/florea.v9i2.13883

Abstract

Parijoto fruit (Medinilla speciosa Blume) is an endemic fruit around Mount Muria, Kudus, Central Java. The native people utilize Parijoto as traditional herbal medicine. Those utilization due to its metabolite compounds, such as tannin, flavonoid, fenolic, terpenoid, etc. In order to utilize Parijoto fruit properly, it is necessary to have an appropriate extraction and fractination method. So, the bioactive compounds of Parijoto fruit can be optimally extracted. The objective of this study is to obtain fractions of Parijoto fruit using three different solvent, methanol, ethyl acetate, and n-hexane. This study perform maceration as extraction method and liquid-liquid fractination to obtain the fractions. The dry simplicia yield was 85.49%. The maceration result was in the form of a blackish red green liquid with 67.45% yield. The methanol fraction was a thick blackish red liquid with 45.4% yield. While, the ethyl acetate fraction was a slightly fibrous viscous liquid with pinkish milk brown colour and 22.8% yield. On the other hand, the n-hexane fraction was a greenish viscous liquid with 13.8% yield. The highest yield is the result of fractination with methanol as a solvent because it is the most polar among others in this study. The solvent polarity is greatly affects the yield of fractination from natural product materials. In this study, the order of Parijoto yield from the highest to the lowest is methanol fraction, ethyl acetate fraction, and the last is n-hexane fraction. Those results were obtained due to the differences of each solvent polarity.
Implementasi Pembelajaran Praktikum Biologi Scientific Approach Terhadap Literasi Sains Peserta Didik MAN 2 Kota Semarang Nailil Mona; Rivanna Citraning Rachmawati; Eko Retno Mulyaningrum; Samsul Rifangi
Jurnal Pendidikan Tambusai Vol. 7 No. 2 (2023): Agustus 2023
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai, Riau, Indonesia

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Abstract

Salah satu masalah yang masih muncul di era abad 21 adalah peserta didik yang masih rendah akan salah satu keterampilan abad 21 yaitu rendahnya literasi sains. Peserta didik memiliki motivasi dan minat belajar yang rendah, pembelajaran teacher center yang membuat mereka kurang aktif dan masih kurang dalam penguasaan konsep biologi sehingga perlu adanya penelitian ini. Penelitian ini bertujuan mengetahui kualitas literasi sains peserta didik di MAN 2 Kota Semarang dimensi konten, proses, konteks, serta sikap ilmiah melalui pembelajaran praktikum biologi berbasis scientific Approach. Metode penelitian: kuantitatif pre-experimental one shot case study. Teknik pengumpulan data: observasi langsung, instrument penilaian ranah afektif, presentasi dan hasil produk peserta didik. Hasil penelitian menunjukkan rata-rata nilai literasi sains (4 dimensi) yang didapatkan peserta didik sebesar 82,75% kategori tinggi. Sehingga dapat disimpulkan bahwa pembelajaran praktikum biologi berbasis saintific approach dapat mendorong literasi sains peserta didik di MAN 2 Kota Semarang.
Co-Authors Atip Nurwahyunani, Atip Dyah Ayu Widyastuti Eko Retno Mulyaningrum Fafa Nurdyansyah Rivanna Citraning Rachmawati, Rivanna Citraning Samsul Rifangi