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Evaluation of Physicochemical Properties and Exopolysaccharides Production of Single Culture and Mixed Culture in Set Yoghurt

The Rheology of yogurt was influenced by the dry matter of milk and yogurt cultures. The purpose of this research was to determine the effect of using single culture (L. bulgaricus, S. thermophillus) and mixed culture (L. bulgaricus and S. thermophillus), (S. thermophillus, L. bulgaricus and Bifidob... Full description

Journal Title: Jurnal Pembangunan dan Alam Lestari 01 March 2016, Vol.7(1)
Main Author: Heldy Oktavia
Other Authors: Lilik Eka Radiati , Djalal Rosyidi
Format: Electronic Article Electronic Article
Language: English
Quelle: Directory of Open Access Journals (DOAJ)
ID: ISSN: 2087-3522 ; E-ISSN: 2338-1671
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recordid: doaj_soai_doaj_org_article_dc8d3fdd4dd34b6ca18ab6ac66fbe313
title: Evaluation of Physicochemical Properties and Exopolysaccharides Production of Single Culture and Mixed Culture in Set Yoghurt
format: Article
creator:
  • Heldy Oktavia
  • Lilik Eka Radiati
  • Djalal Rosyidi
ispartof: Jurnal Pembangunan dan Alam Lestari, 01 March 2016, Vol.7(1)
description: The Rheology of yogurt was influenced by the dry matter of milk and yogurt cultures. The purpose of this research was to determine the effect of using single culture (L. bulgaricus, S. thermophillus) and mixed culture (L. bulgaricus and S. thermophillus), (S. thermophillus, L. bulgaricus and Bifidobacterium)as much as 3% for evaluation of physicochemical properties in set yoghurt such as pH value, acidity content, viscosity and syneresis, also to know total exopolysaccharides (EPS) production, total lactic acid bacteria (LAB) and microstructure of set yoghurt storage at refrigerator temperature (1 day, 2 and 3 days). The method of this research on first step was Randomized Completely Design, the variables measured on first step were pH content, acidity content, viscocity, and syneresis with 3 times replication. On second step used Randomized Completely Nested Design (3x4) with 3 times replication variables measured were pH stored, total lactic acid bacteria and total EPS production. The best treatment from second step continued testing of the microstucture with the aim of identifying structure components in set yoghurt. The conclusion on first step this research could decrease of pH value, increase the acidity, viscosity and inhibit syneresis set yogurt. On second step gave has decline in the average total LAB 1 log (CFU / ml) in set yogurt and has increasing of total exopolysaccharide production from each type of culture during. Keywords : Bifidobacterium, fermented milk, Lactabacillus, Streptococcus
language: eng
source: Directory of Open Access Journals (DOAJ)
identifier: ISSN: 2087-3522 ; E-ISSN: 2338-1671
fulltext: fulltext_linktorsrc
issn:
  • 2087-3522
  • 20873522
  • 2338-1671
  • 23381671
url: Link


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titleEvaluation of Physicochemical Properties and Exopolysaccharides Production of Single Culture and Mixed Culture in Set Yoghurt
creatorHeldy Oktavia ; Lilik Eka Radiati ; Djalal Rosyidi
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descriptionThe Rheology of yogurt was influenced by the dry matter of milk and yogurt cultures. The purpose of this research was to determine the effect of using single culture (L. bulgaricus, S. thermophillus) and mixed culture (L. bulgaricus and S. thermophillus), (S. thermophillus, L. bulgaricus and Bifidobacterium)as much as 3% for evaluation of physicochemical properties in set yoghurt such as pH value, acidity content, viscosity and syneresis, also to know total exopolysaccharides (EPS) production, total lactic acid bacteria (LAB) and microstructure of set yoghurt storage at refrigerator temperature (1 day, 2 and 3 days). The method of this research on first step was Randomized Completely Design, the variables measured on first step were pH content, acidity content, viscocity, and syneresis with 3 times replication. On second step used Randomized Completely Nested Design (3x4) with 3 times replication variables measured were pH stored, total lactic acid bacteria and total EPS production. The best treatment from second step continued testing of the microstucture with the aim of identifying structure components in set yoghurt. The conclusion on first step this research could decrease of pH value, increase the acidity, viscosity and inhibit syneresis set yogurt. On second step gave has decline in the average total LAB 1 log (CFU / ml) in set yogurt and has increasing of total exopolysaccharide production from each type of culture during. Keywords : Bifidobacterium, fermented milk, Lactabacillus, Streptococcus
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The Rheology of yogurt was influenced by the dry matter of milk and yogurt cultures. The purpose of this research was to determine the effect of using single culture (L. bulgaricus, S. thermophillus) and mixed culture (L. bulgaricus and S. thermophillus), (S. thermophillus, L. bulgaricus and Bifidobacterium)as much as 3% for evaluation of physicochemical properties in set yoghurt such as pH value, acidity content, viscosity and syneresis, also to know total exopolysaccharides (EPS) production, total lactic acid bacteria (LAB) and microstructure of set yoghurt storage at refrigerator temperature (1 day, 2 and 3 days). The method of this research on first step was Randomized Completely Design, the variables measured on first step were pH content, acidity content, viscocity, and syneresis with 3 times replication. On second step used Randomized Completely Nested Design (3x4) with 3 times replication variables measured were pH stored, total lactic acid bacteria and total EPS production. The best treatment from second step continued testing of the microstucture with the aim of identifying structure components in set yoghurt. The conclusion on first step this research could decrease of pH value, increase the acidity, viscosity and inhibit syneresis set yogurt. On second step gave has decline in the average total LAB 1 log (CFU / ml) in set yogurt and has increasing of total exopolysaccharide production from each type of culture during. Keywords : Bifidobacterium, fermented milk, Lactabacillus, Streptococcus

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The Rheology of yogurt was influenced by the dry matter of milk and yogurt cultures. The purpose of this research was to determine the effect of using single culture (L. bulgaricus, S. thermophillus) and mixed culture (L. bulgaricus and S. thermophillus), (S. thermophillus, L. bulgaricus and Bifidobacterium)as much as 3% for evaluation of physicochemical properties in set yoghurt such as pH value, acidity content, viscosity and syneresis, also to know total exopolysaccharides (EPS) production, total lactic acid bacteria (LAB) and microstructure of set yoghurt storage at refrigerator temperature (1 day, 2 and 3 days). The method of this research on first step was Randomized Completely Design, the variables measured on first step were pH content, acidity content, viscocity, and syneresis with 3 times replication. On second step used Randomized Completely Nested Design (3x4) with 3 times replication variables measured were pH stored, total lactic acid bacteria and total EPS production. The best treatment from second step continued testing of the microstucture with the aim of identifying structure components in set yoghurt. The conclusion on first step this research could decrease of pH value, increase the acidity, viscosity and inhibit syneresis set yogurt. On second step gave has decline in the average total LAB 1 log (CFU / ml) in set yogurt and has increasing of total exopolysaccharide production from each type of culture during. Keywords : Bifidobacterium, fermented milk, Lactabacillus, Streptococcus

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