益生菌包封的胃保护交联微凝胶：在干燥苹果载体的应激条件下提高存活率。
Probiotics encapsulated gastroprotective cross-linked microgels: Enhanced viability under stressed conditions with dried apple carrier.
作者信息
Afzaal Muhammad, Saeed Farhan, Ateeq Huda, Akhtar Muhammad Nadeem, Imran Ali, Ahmed Aftab, Aamir Muhammad, Islam Fakhar, Yasmin Iqra, Shah Yasir Abbas, Hussain Muzzamal, Hameed Adnan, Kumar Roshan, Awuchi Chinaza Godswill
机构信息
Department of Food Sciences Government College University Faisalabad Faisalabad Pakistan.
University Institute of Diet and Nutritional Sciences The University of Lahore Lahore Pakistan.
出版信息
Food Sci Nutr. 2022 Nov 4;11(2):817-827. doi: 10.1002/fsn3.3116. eCollection 2023 Feb.
In the current study, was encapsulated in sodium alginate and whey protein isolate, with the addition of antacids CaCO or Mg(OH). The obtained microgels were observed by scanning electron microscopy. Encapsulated and free probiotics were subjected to vitality assay under stressed conditions. Furthermore, dried apple snack was evaluated as a carrier for probiotics for 28 days. A significant ( ≤ .05) effect of antacid with an encapsulating agent was observed under different stressed conditions. During exposure to simulated gastrointestinal conditions, there were observations of 1.24 log CFU and 2.17 log CFU, with corresponding 0.93 log CFU and 2.63 log CFU decrease in the case of SA + CaCO and WPI + CaCO respectively. Likewise, high viability was observed under thermal and refrigerated conditions for probiotics encapsulated with SA + CaCO. In conclusion, the results indicated that alginate microgels with CaCO are effective in prolonging the viability of probiotics under stressed conditions.
在当前研究中，（此处原文缺失主语）被包裹在海藻酸钠和乳清蛋白分离物中，并添加了抗酸剂碳酸钙（CaCO₃）或氢氧化镁（Mg(OH)₂）。通过扫描电子显微镜观察所得微凝胶。对包裹的和游离的益生菌在应激条件下进行活力测定。此外，对干苹果零食作为益生菌载体进行了28天的评估。在不同应激条件下，观察到抗酸剂与包囊剂之间存在显著（P≤0.05）效应。在模拟胃肠道条件下暴露期间，观察到SA + CaCO₃和WPI + CaCO₃情况下分别有1.24 log CFU和2.17 log CFU，相应地分别减少0.93 log CFU和2.63 log CFU。同样，在热和冷藏条件下，用SA + CaCO₃包裹的益生菌具有高活力。总之，结果表明含有CaCO₃的海藻酸钠微凝胶在应激条件下可有效延长益生菌的活力。
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