UJI AKTIVITAS ANTIMIKROBA EKSTRAK ETANOL DARI BEBERAPA TANAMAN PAKU TERHADAP BAKTERI Staphylococcus aureus ATCC 25923, Escherichia coli ATCC 25922, dan JAMUR Candida albicans ATCC 10231

Abstract

Diterbitkan oleh STIFI Perintis Padang setiap bulan Februari dan Agustus Website : http://www.jurnalscientia.org/index.php/scientia 9 (1) ; 29-35, 2019 PENETAPAN KADAR PATI BONGGOL PISANG MAS (Musa paradisiaca L.) DAN PATI BONGGOL PISANG BATU (Musa balbisiana Colla) MENGGUNAKAN METODA Luff Schoorl ABSTRAK ABSTRAK Telah dilakukan penelitian untuk menentukan kadar pati pada bonggol pisang. Bonggol pisang yang digunakan yaitu bonggol pisang mas (Musa paradisiaca L) dan bonggol pisang batu (Musa balbisiana Colla). Penelitian ini dilakukan dengan tiga tahap yaitu pembuatan pati, evaluasi pati dan penetepan kadar pati. Pembuatan pati dilakukan dengan cara endap tuang. Rendemen pati bonggol pisang masdidapatkan sebesar 5,067% dan pati bonggol pisang batu sebesar 5,379%. Evaluasi pati yang dilakukan meliputi evaluasi organoleptis, kelarutan, uji mikroskopik, keasaman, bobot jenis, pH, kadar air dan kadar abu. Penetapan kadar pati di lakukan menggunakan metode Luff Schoorl. Hasil dari penetepan kadar pati bonggol pisang mas yaitu 66,78% sementara bonggol pisang batu sebesar 69,13%. Kata Kunci :Pati, bonggol pisang, metode luff schoorl ABSTRACT A research had been carried out to determine starch levels in banana humps. The banana spesies were include Musa paradisiaca L. and Musa balbisiana Colla. This research was conducted in three stages including starch production, starch evaluation and determination of starch content. Production of starch was conducted by pourprecipitation and resulted in Musa paradisiaca L starch equal to 5.067% and Musa balbisiana Collastarch equal to 5.379% of humps mass. Evaluation of starch consist of organoleptic, solubility, microscopic test, acidity, specific gravity, pH, moisture content and ash content. The determination of starch content was done using Luff Schoorl method. Results of the determination of starch content in Musa paradisiaca L hump was 66.78% and Musa balbisiana Collahump was 69.13%.