ISOLASI BAKTERI ASAM LAKTAT TEMPOYAK DENGAN VARIASI KADAR GARAM

ERISYAFITRI, ERISYAFITRI and Widowati, Tri Wardani and Parwiyanti, Parwiyanti (2011) ISOLASI BAKTERI ASAM LAKTAT TEMPOYAK DENGAN VARIASI KADAR GARAM. Undergraduate thesis, Sriwijaya University.

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Abstract

Penelitian ini adalah untuk mengamati genus bakteri asam laktat selama fermentasi tempoyak dengan kadar garam yang berbeda, Penelitian ini dilaksanakan di Laboratorium Kimia Hasil Pertanian dan Laboratorium Mikrobiologi Hasil Pertanian, Jurusan Teknologi Pertanian, Fakultas Pertanian, Universitas Sriwijaya dimulai pada bulan Maret 2011 sampai bulan Juli 2011. Penelitian ini menggunakan 2 faktor yaitu kadar garam (2% dan 4%) dan lama fermentasi (0,1,2,3 dan 4 minggu). Identifikasi yang dilakukan meliputi identifikasi bakteri asam laktat dan identifikasi karakteristik diferensial bakteri asam laktat untuk menentukan genus bakteri asam laktat hasil isolasi. Identifikasi bakteri asam laktat meliputi pewarnaan Gram, uji morfologi dan konfigurasi sel bakteri dan uji katalase diperoleh hasil sebanyak 19 sampel adalah bakteri asam laktat dan 1 sampel bukan merupakan bakteri asam laktat. Identifikasi lanjutan dari 19 sampel bakteri asam laktat yang meliputi uji produksi CO2, pertumbuhan kadar garam, pH pertumbuhan, suhu pertumbuhan dan pembentukan tetrat berhasil diidentifikasi dua genus bakteri asam laktat yaitu Lacobacillus sebanyak 16 sampel dan Leoconostoc/Oenococcus sebanyak 3 sampel. Selama fermentasi terjadi penurunan pH dari 6,7 sampai 3,8 dan kenaikan kadar asam total dari 0,432% sampai 1,602%.

Item Type: Thesis (Undergraduate)
Uncontrolled Keywords: fermentasi tempoyak
Subjects: S Agriculture > S Agriculture (General) > S544-545.53 Agricultural extension work
Divisions: 05-Faculty of Agriculture > 41231-Agricultural Product Technology (S1)
Depositing User: Mr Halim Sobri
Date Deposited: 28 Jun 2022 01:22
Last Modified: 28 Jun 2022 01:22
URI: http://repository.unsri.ac.id/id/eprint/72707

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