Isolation and Identification of Thermophilic and Mesophylic Proteolytic Bacteria from Shrimp Paste "Terasi"

Murwani, Retno and Supriyadi, Supriyadi and Subagio, Subagio and Trianto, Agus and Ambariyanto, A (2015) Isolation and Identification of Thermophilic and Mesophylic Proteolytic Bacteria from Shrimp Paste "Terasi". In: International Conference Of Chemical And Material Engineering (ICCME.

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Official URL: http://aip.scitation.org/doi/abs/10.1063/1.4938290...

Abstract

Terasi is a traditional product generally made of fermented shrimp. There were many studies regarding lactic acid bacteria of terasi but none regarding proteolitic bacteria. This study was conducted to isolate and identify the thermophilic and mesophylic proteolytic bacteria from terasi. In addition, the effect of different salt concentrations on the growth of the isolated proteolytic bacteria with the greatest proteolytic activity was also studied. Terasi samples were obtained from the Northern coast region of Java island i.e. Jepara, Demak and Batang. The study obtained 34 proteolytic isolates. Four isolates were identified as Sulfidobacillus, three isolates as Vibrio / Alkaligenes / Aeromonas, two isolates as Pseudomonas, 21 isolates as Bacillus, three isolates as Kurthia/ Caryophanon and one isolates as Amphibacillus. The growth of proteolytic bacteria was affected by salt concentration. The largest growth was found at 0 ppm salt concentrations and growth was declined as salt concentration increased. Maximum growth at each salt concentration tested was found at 8 hours incubation.

Item Type:Conference or Workshop Item (Paper)
Subjects:Q Science > QR Microbiology > QR180 Immunology
Divisions:Faculty of Fisheries and Marine Sciences > Department of Marine Science
ID Code:64977
Deposited By:MS. Bahry
Deposited On:19 Sep 2018 23:31
Last Modified:21 Mar 2019 13:17

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