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All Journal Science Map Journal Molluca Journal of Chemistry Education (MJoCE)
Fatma Al Hamid
Program Studi Pendidikan Kimia, FKIP Universitas Pattimura Ambon
Chemistry Education Mathematics Physics Social Sciences

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ANALISIS KOMPOSISI ASAM LEMAK PADA MINYAK KELAPA FERMENTASI DAN MINYAK KELAPA TRADISIONAL Fatma Al Hamid; J Leiwakabessy; A Bandjar
Science Map Journal Vol 2 No 1 (2020): Science Map Journal
Publisher : Jurusan Pendidikan MIPA FKIP Universitas Pattimura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30598/jmsvol2issue1pp24-31

Abstract

Telah dilakukan analisis asam lemak dalam minyak kelapa fermentasi dan minyak kelapa tradisional dengan GC-MS. Analisis asam lemak dalam minyak kelapa fermentasi diperoleh empat jenis asam lemak yaitu (1). Asam laurat (Metil dodekanoat) 39,13%, (2). Asam miristat (Metil tetradekanoat) 13,78%, (3). Asam palmitat (Metil heksadekanoat) 6,60%, dan (4). Asam oleat (Metil 9-oktadekanoat) 4,81%. Sedangkan dalam minyak kelapa tradisional diperoleh 5 jenis asam lemak yaitu (1). Asam laurat (Metil dodekanoat) 44,83%, (2). Asam miristat (Metil tetradekanoat) 22,82%, (3). Asam palmitat (Metil heksadekanoat) 12,82%, (4). Asam oleat (Metil 9-oktadekanoat) 11,16%, dan (5). Asam stearat (Metil oktadekanoat) 3,90%. Asam stearat tidak ada dalam minyak kelapa fermentasi karena telah habis dikonsumsi khamir. Dari segi jumlah dan jenis asam lemak, minyak kelapa tradisional lebih banyak namun dari segi fisik dalam hal jumlah minyak, waktu pemanasan dan tampilan, minyak kelapa fermentasi lebih baik. Proses pembuatan mempengaruhi komposisi asam lemak. Dalam penelitian selanjutnya perlu diberikan nutrisi tambahan buat khamir agar asam lemak tidak dikonsumsi. Perlu dilakukan penelitian untuk mencari kondisi optimal proses fermentasi khamir. Masyarakat boleh mengkonsumsi minyak kelapa fermentasi karena mengandung asam lemak yang penting bagi tubuh
ANALISIS BUTIR SOAL TES AKHIR SEMESTER (TAS) KIMIA SMA NEGERI II AMBON TAHUN PELAJARAN 2014/2015 Fatma Al Hamid; Yance Manoppo; Victor Kayadoe
Molluca Journal of Chemistry Education (MJoCE) Vol 8 No 2 (2018): Molluca Journal of Chemistry Education (MJoCE)
Publisher : Program Studi Pendidikan Kimia FKIP Universitas Pattimura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30598/MJoCEvol8iss2pp89-93

Abstract

The aims of this research was to analyze the exam questions in the end of semester tests SMA Negeri II Ambon year of 2014/2015. The item tests was analized include the validity, reliability, power of difficulty, discrimination power, and distractor effective. This research type was kuantitative descriptive method and the data was analyzed by using Item and Test Analysis (Iteman) Program. Subjects of this research are test instrument and student answer results of chemical tests at odd semester class X SMA Negeri II Ambon year. Documentation technik was used to collect data. Results of the analysis showed that the quality which was seen from the validity, there were 80% of questions which were valid and the rest there were 20% were invalid. Reliability indeks is 0,733. From the level of difficulty, there were 8 easy questions, 22 medium questions, and 20 hard question. From the discrimination power, there were 42 questions or 84% questions which had good discrimination power and there were 8 or 16% questions which had low and negative. Meanwhile from the answer patterns, it is known that 60% destructor in the questions were function properly and 40% were function unproperly
Co-Authors A Bandjar J Leiwakabessy Victor Kayadoe Yance Manoppo