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从阿尔及利亚蜜蜂和蜂蜜中分离的乳酸菌菌株的特性及其对人类潜在的益生菌和功能特性的探索。

Characterization of Lactic Acid Bacteria Strains Isolated from Algerian Honeybee and Honey and Exploration of Their Potential Probiotic and Functional Features for Human Use.

作者信息

Meradji Meriem, Bachtarzi Nadia, Mora Diego, Kharroub Karima

机构信息

Laboratoire de Recherche Biotechnologie et Qualité des Aliments (BIOQUAL), Institut de la Nutrition, de l'Alimentation et des Technologies Agro-Alimentaires (INATAA), Université Frères Mentouri Constantine 1 (UFMC1), Route de Ain El Bey, Constantine 25000, Algeria.

Department of Food Environmental and Nutritional Sciences (DeFENS), University of Milan, 20122 Milan, Italy.

出版信息

Foods. 2023 Jun 8;12(12):2312. doi: 10.3390/foods12122312.

Abstract

Using culture enrichment methods, 100 strains of bacilli of lactic acid bacteria (LAB) were isolated from honeybee and fresh honey, collected from apiaries located in the north-east of Algeria. Amongst all of the isolated LAB, 19 selected strains were closely affiliated to four species- (10), (5), and/or (4)-using phylogenetic and phenotypic approaches. The in vitro probiotic characteristics (simulated gastrointestinal fluids tolerance, autoaggregation and hydrophobicity abilities, antimicrobial activity and cholesterol reduction) and safety properties (hemolytic activity, antibiotic resistance and absence of biogenic amines) were evaluated. The results indicated that some strains showed promising potential probiotic properties. In addition, neither hemolytic activity nor biogenic amines were produced. The carbohydrate fermentation test (API 50 CHL) revealed that the strains could efficiently use a broad range of carbohydrates; additionally, four strains belonging to and were found to be exopolysaccharides (EPS) producers. This study demonstrates the honeybee and one of her products as a reservoir for novel LAB with potential probiotic features, suggesting suitability for promoting host health.

摘要

采用培养富集方法,从阿尔及利亚东北部养蜂场采集的蜜蜂和新鲜蜂蜜中分离出100株乳酸菌(LAB)。在所有分离出的LAB中,利用系统发育和表型方法,19株选定菌株与四个物种密切相关——(10株)、(5株)、 以及/或者(4株)。评估了这些菌株的体外益生菌特性(模拟胃肠道液体耐受性、自聚集和疏水性能力、抗菌活性以及胆固醇降低能力)和安全性(溶血活性、抗生素抗性和生物胺的缺失情况)。结果表明,一些菌株显示出有前景的潜在益生菌特性。此外,未产生溶血活性和生物胺。碳水化合物发酵试验(API 50 CHL)表明,这些菌株能够有效利用多种碳水化合物;此外,发现属于 和 的四株菌株是胞外多糖(EPS)产生菌。本研究证明蜜蜂及其产品之一是具有潜在益生菌特性的新型LAB的储存库,表明适合促进宿主健康。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f039/10297382/545de4409f26/foods-12-02312-g001.jpg

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