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Fitriani, Ana
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FERMENTASI BIJI BUAH NANGKA (Artocarpus heterophyllus Lam.) MENGHASILKAN ETANOL OLEH Saccharomyces cerevisiae DENGAN ANALISA KROMATOGRAFI GAS (GC) Fitriani, Ana; Kartika, Rudi; Akkas, Erwin
Jurnal Riset Kefarmasian Indonesia Vol. 5 No. 3 (2023): Jurnal Riset Kefarmasian Indonesia
Publisher : APDFI (Asosiasi Pendidikan Diploma Farmasi Indonesia)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33759/df0qqc47

Abstract

Research of bioethanol production from jackfruit seeds through fermentation using saccharomyces cerevisiae with the addition of tofu waste as nutrition source of microorganism. the aims of this research to determine the concentration of bioethanol that has been produced with the variation of concentration of tofu waste nutrients and variation of fermentation time. the hydrolysis process through enzymatic uses alfa-amylase on liquefaction process and glucoamylase on saccharification process. the fermentation process used Saccharomyces cerevisiae and tofu waste as a source of nutrition. variation of fermentation time 6, 8 and 10 days and variation of tofu waste nutrients concentration 0,75%; 1,5% and 2,25% (w/v). Ethanol content was obtained by gas chromatography analysis, the result showed the highest concentration of bioethanol obtained at the addition of tofu waste nutrients was 1,5% (w/v) and fermentation time for 10 days with bioethanol concentration obtained at 65,72%.
Pengaruh Ekspektasi Orang Tua dan Efikasi Diri terhadap Pengambilan Keputusan Studi Lanjut Siswa SMPN 17 Makassar aca, Nahtasha; Luki, Luki; Fitriani, Ana
Indonesian Journal of Islamic Counseling Vol. 7 No. 1 (2025): Indonesian Journal of Islamic Counseling
Publisher : Institut Agama Islam Negeri Parepare

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Pengambilan keputusan studi lanjut merupakan tahap penting bagi siswa dalam menentukan arah pendidikan. Namun, keputusan ini tidak selalu mudah karena dipengaruhi oleh faktor internal dan eksternal. Penelitian ini bertujuan untuk menganalisis pengaruh ekspektasi orang tua dan efikasi diri terhadap pengambilan keputusan studi lanjut siswa SMPN 17 Makassar. Penelitian menggunakan pendekatan kuantitatif dengan jenis ex post facto, melibatkan 51 siswa kelas IX sebagai responden. Data dikumpulkan melalui angket skala Likert dan dianalisis menggunakan regresi linear berganda. Hasil penelitian menunjukkan bahwa efikasi diri berpengaruh signifikan terhadap pengambilan keputusan studi lanjut (p = 0,006 < 0,05), sedangkan ekspektasi orang tua tidak berpengaruh signifikan (p = 0,399 > 0,05). Secara simultan, kedua variabel berpengaruh signifikan (p = 0,021 < 0,05). Nilai R Square sebesar 0,149 menunjukkan kontribusi sebesar 14,9%. Temuan ini menunjukkan bahwa efikasi diri menjadi faktor yang lebih dominan dalam pengambilan keputusan studi lanjut siswa.
Co-Authors aca, Nahtasha Akkas, Erwin Ana Dhiqfaini Sultan, Ana Dhiqfaini Ardian Arief Astriani, Andi Dian Atqiyaa, Millatul Dewi Indriyani Roslim Ermina Pakki Husnul Khatimah Ihram, Muh. Tasbih Ratul Isaneni, Rizki Jannah, Anggun Liatun Jusuf Tjahjo Purnomo Keryanti, Keryanti kub, Ya’ Listiani, Meri Luki, Luki Monica, Metha Muchtar, Ilham Nisa, A. Syamsuara Nur, Syaifullah Nuramina, Rizkia Nurin Rochayati Nurintan, Nurintan Putri, Rukiana Novianti Rabbani, Akram Ramadhani, Laily Isna Ramli, Aburizal Fatwa Ratna Wulandari Rofinalia, Rofinalia Rudi Kartika, Rudi Rukhiyati, Iit Setyaji, Hajar Sugiarto S SUMIYATI SUMIYATI Syamsiah, Syamsiah Tastama, Andita Urifah, Dewi