By: Ngatirah, Meidi Syaflan and Endro S. Nugroho
Abstract
This study aims to determine the influence of the encapsulating material of Iles-iles fractions and protective agents on the viability of spray-dried synbiotic microcapsules in acid and bile salts. Despite, to obtain spray-dried synbiotic microcapsules with the highest number of Lactobacillus casei cells and have high viability to acid and bile salts. The randomized complete block design was used as an experimental design with two factors. The first factor is the encapsulating materials consist of three levels, namely A1 (iles-iles glucomannan), A2 (iles-iles starch), and A3 (iles-iles flour). The second factor is the type of protective agents consists of three levels, namely B1 (skim milk), B2 (maltodextrin), and B3 (Arabic gum). The results showed that the encapsulating material affected the decrease in L. casei during storage and a decrease in viability of acid and bile salts by 2%. This type of protective material does not affect the decrease in L. casei during storage and a decrease in viability to acid and bile salts of 2%. The iles-iles glucomannan and arabic gum produce synbiotic microcapsules with the highest viability of L. casei and tolerance in acid and bile salts.
Keywords: viability of synbiotic microcapsules, iles-iles, protective agents, acid, bile salts
*This poster was presented in The 6th International Conference of Indonesian Society for Lactic Acid Bacteria and Gut Microbiota (6th ISLAB) on 13th August 2021
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