Virna Muhardina, Putri Meutia Sari, Yuliani Aisyah, Sri Haryani, Said Ali Akbar
Here, we reported the effect of different variety of capsule agents (alginate and carrageenan) and concentration of prebiotic (tofu waste) on the viability of probiotics and the effectiveness of encapsulation. This study explored the feasibility of combination at normal and low pH. The carrageenan displayed better capsule agents rather than alginate at normal conditions and simulated gastric acid. This phenomenon was proved by the protection capability towards probiotic vegetative cells with a total of 9.96 log CFU/gram and 96.4% encapsulation efficiency under normal conditions, and then 4.23 log CFU/gram and 41% effectiveness of encapsulation at pH 2. Moreover, the combination of carrageenan and 3% prebiotic can maintain the viability of lactic acid bacteria about 10.17 log CFU/gram and 4.33 log CFU/gram in normal and acidic conditions respectively, with encapsulation effectiveness about 98.43% and 41.9% according to those tested conditions. © RASĀYAN. All rights reserved.
Department of Agricultural Industrial Technology, Universitas Serambi Mekkah, 23245, Aceh, Indonesia; Department of Food Technology, Agriculture Faculty, Universitas Syiah Kuala, 23111, Aceh, Indonesia; Department of Chemical Education, Universitas Serambi Mekkah, 23245, Aceh, Indonesia
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