The role of inulin extract from mangrove apple (Sonneratia caseolaris) and Lactobacillus plantarum combination as a synbiotic

Q3 Agricultural and Biological Sciences Food Research Pub Date : 2024-03-17 DOI:10.26656/fr.2017.8(2).485

J. Wibawanti, S. Mulyani, R. Hartanto, A. Legowo

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Abstract

Synbiotic yogurt products can be developed using mangrove apple extract inulin as a prebiotic in combination with Lactobacillus plantarum to form a probiotic. Therefore, this study aimed to determine the optimal concentrations of inulin extracted from mangrove apple for the viability of L. plantarum as a synbiotic in vitro and its antibacterial activity against Staphylococcus aureus. The samples were divided into 5 groups and 4 replicates consisting of different concentrations of inulin extracted from mangrove apple (IEMA) at 0, 3, 6, 9, and 12% w/v, which was combined with L. plantarum as a synbiotic. The result showed that the addition of IEMA with different concentrations had a significant effect (p<0.05) on the viability of L. plantarum in gastric juice and bile salt after 5 h of exposure. The total bacteria significantly decreased (p<0.05) after 4 weeks of storage period. The antibacterial activity of IEMA at concentrations of 9% and 12% was higher than other treatments as demonstrated by p<0.05. IEMA increased the viability with the concentration of 9% being the most effective (p<0.05) on acid, bile salt, resistance, and storage periods. Based on the results, IEMA can also inhibit the growth of S. aureus.

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从红树苹果（Sonneratia caseolaris）中提取的菊粉和植物乳杆菌组合作为益生菌的作用

使用红树苹果提取物菊粉作为益生菌与植物乳杆菌结合形成益生菌，可以开发出合成益生菌酸奶产品。因此，本研究旨在确定从红树林苹果中提取的菊粉的最佳浓度，以确定植物乳杆菌作为益生菌在体外的存活率及其对金黄色葡萄球菌的抗菌活性。样品分为 5 组 4 个重复，分别含有 0、3、6、9 和 12% w/v 的不同浓度的从红树苹果中提取的菊粉（IEMA）。结果表明，添加不同浓度的 IEMA 对植物乳杆菌暴露 5 小时后在胃液和胆盐中的存活率有显著影响（p<0.05）。储存 4 周后，细菌总数明显减少（p<0.05）。浓度为 9% 和 12% 的 IEMA 的抗菌活性高于其他处理，p<0.05。IEMA提高了细菌的存活率，浓度为9%的IEMA对酸、胆盐、抗性和储存期最有效（p<0.05）。根据研究结果，IEMA 还能抑制金黄色葡萄球菌的生长。

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