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All Journal Indonesian Journal of Chemical Science and Technology Jurnal Intelek Insan Cendikia
Amelia Rahmadhani
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Religion Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Energy Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Social Sciences

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Fermentation Experiment of Arabica Coffee (Coffea arabica L.) from Dolok Sanggul with Variation of Gas Condition at Isothermal Temperature Rabiah Afifah Daulay; Moondra Zubir; Ani Sutiani; Jenny Lasria Florita Br.Tampubolon; Winda Silalahi; Amelia Rahmadhani; Muhammad Ali Athiya Zahran; Lisna Sevta Siburian
Indonesian Journal of Chemical Science and Technology (IJCST) Vol. 8 No. 1 (2025): JANUARY 2025
Publisher : Universitas Negeri Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24114/ijcst.v8i1.68662

Abstract

Indonesia is one of the largest coffee producing and exporting countries in the world. One of the types of coffee that is famous in Indonesia is arabica coffee. This study examines the impact of different gas environments (open, semi-closed, and closed) on the fermentation process of Arabica coffee beans (Coffea arabica L.) at various temperatures (40°C, 60°C, and 80°C). The key factors analyzed were the moisture content and pH levels of the beans after fermentation and roasting. The findings revealed that both gas environment and temperature had a significant effect on the moisture content and pH of the beans, with higher temperatures (80°C) leading to a faster reduction in moisture. Additionally, the pH level was higher under open gas conditions. This research offers valuable information on how fermentation conditions influence the chemical properties and qualities of Arabica coffee beans.
Kepemimpinan Wanita di Dunia Pesantren: Antara Tradisi dan Inovasi Nurmayani Nurmayani; Amelia Rahmadhani; Hilma Tsabita Hasibuan; M. Fisal; Riri Reh Riahna Br Bangun5
Jurnal Intelek Insan Cendikia Vol. 2 No. 4 (2025): APRIL 2025
Publisher : PT. Intelek Cendikiawan Nusantara

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Abstract

Penelitian ini membahas peran perempuan dalam kepemimpinan, baik dalam perspektif historis maupun agama, serta bagaimana perempuan saat ini mendapatkan akses yang lebih luas dalam dunia politik dan kepemimpinan. Pendekatan yang digunakan adalah metode kualitatif dengan analisis kepustakaan, di mana data dikumpulkan dari berbagai sumber primer dan sekunder. Hasil penelitian menunjukkan bahwa meskipun terdapat pandangan yang menentang perempuan sebagai pemimpin, sejarah telah mencatat keberhasilan banyak perempuan dalam kepemimpinan. Kesimpulan yang diperoleh adalah bahwa keberhasilan dalam kepemimpinan tidak bergantung pada jenis kelamin, melainkan pada integritas dan kapabilitas individu
Co-Authors Ani Sutiani Hilma Tsabita Hasibuan Jenny Lasria Florita Br.Tampubolon Lisna Sevta Siburian M. Fisal Moondra Zubir Muhammad Ali Athiya Zahran Nurmayani Nurmayani Rabiah Afifah Daulay Riri Reh Riahna Br Bangun5 Winda Silalahi