Abstract
To evaluate the performance of two strains of lactic acid bacteria (LAB) that could grow in agar oligosaccharides solutions (AOsS). And during storage at 4℃, the changes in pH values, titratable acidity (TA), and LAB count in fermented AOsS were monitored. The results of six agar polysaccharide extract solutions (APsS) or six AOsS inoculated with Streptococcus (Strept.) faecalis BCRC13076 and/or Lactobacillus (Lact.) rhamnosus BCRC14068 indicated that their titratable acidity (TA) increased, pH decreased, optical density (OD) at 600 nm increased, and their LAB counts increased during the fermentation period (0-24 h). During storage at 4℃, six APsS or six AOsS fermented with Strept. faecalis BCRC13076 and/or Lact. rhamnosus BCRC14068 exhibited decreasing pH, increasing TA, decreasing viability, and an increasing reduction in sugar contents from 7 to 14 days. Six AOsS showed better growth with Strep. faecalis BCRC13076 and/or Lact rhamnosus BCRC14068 than did APsS.
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