Dairy Science Department, National Research Centre, 33 El Bohouth St. (former El Tahrir St.), Dokki, Giza, 12622, Egypt.
Packaging Materials Department, National Research Centre, 33 El Bohouth St. (former El Tahrir St.), Dokki, Giza, 12622, Egypt.
Sci Rep. 2022 Aug 30;12(1):14751. doi: 10.1038/s41598-022-18781-w.
Green synthesis selenium nanorods (Se-NRs) were produced based on Aloe vera leaf extract. The size, morphology, antimicrobial, and activation of Se-NRs for probiotics were analyzed. The Se-NRS was stable with a diameter of 12 and 40 nm, had an antimicrobial effect, and improved probiotics counts. The microcapsules loaded with Green Se-NRS (0, 0.05 or 0.1 mg/100 ml) and probiotics (Bifidobacterium lactis and Lactobacillus rhamnosus) were designated with efficiency between 95.25 and 97.27% and irregular shapes. Microcapsules were saved probiotics against gastrointestinal juices. The microcapsules were showed a minor inhibition effect against the cell line. Also, microcapsules integrated into stirred yogurt and exanimated for microbiology, chemically, and sensory for 30 days. The probiotics counts, acidity, total solids, and ash values of samples were increased during storage periods without affecting fat and protein contents. The overall acceptability of yogurt with microcapsules containing probiotics and Se-NRs was high without change in body, odor, color, and appearance.
基于库拉索芦荟叶提取物合成了硒纳米棒(Se-NRs)。分析了 Se-NRs 的大小、形态、抗菌性能以及对益生菌的激活作用。Se-NRs 稳定,直径为 12nm 和 40nm,具有抗菌作用,并提高了益生菌的数量。用 Green Se-NRS(0、0.05 或 0.1mg/100ml)和益生菌(双歧杆菌和鼠李糖乳杆菌)负载的微胶囊效率在 95.25%到 97.27%之间,形状不规则。微胶囊可保存益生菌免受胃肠液的影响。微胶囊对细胞系表现出较小的抑制作用。此外,微胶囊被整合到搅拌酸奶中,并在 30 天内进行微生物学、化学和感官评估。在储存期间,样品的益生菌数量、酸度、总固形物和灰分值增加,而脂肪和蛋白质含量不受影响。含有益生菌和 Se-NRs 的微胶囊的酸奶整体可接受性较高,其口感、气味、颜色和外观均无变化。