雪莲菌中乳酸菌的益生特性

TS255.1; 对分离自雪莲菌的乳酸菌进行益生特性评价.耐酸性和模拟胃肠液耐受性初筛结果表明,20株乳酸菌中有11株乳酸菌在pH 3.0和pH 2.5的培养基中具有耐受性,经过模拟胃肠液培养后有8株乳酸菌的活菌数大于106 CFU/mL;疏水性、自凝聚性、抗氧化能力和抑菌实验结果表明,副干酪乳杆菌(Lactobacillus paracasei)KF2-5和鼠李糖乳杆菌(Lactobacillus rhamnosus)RG疏水性较高、抑菌性最强,菌株RG的自凝聚能力和抗氧化能力较强;耐药性实验结果显示,菌株KF2-5和RG对红霉素、卡那霉素、氯霉素和四环素敏感,对头孢噻肟和万古霉素具有耐药性...

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Published in食品科学 Vol. 43; no. 2; pp. 210 - 216
Main Authors 何杉杉, 王晓蕊, 彭禹熙, 马立娟, 杜丽平
Format Magazine Article
LanguageChinese
Published 天津科技大学生物工程学院,工业发酵微生物教育部重点实验室,天津市工业微生物重点实验室,天津 300457 25.01.2022
Subjects
雪莲菌;乳酸菌;益生特性;副干酪乳杆菌;鼠李糖乳杆菌
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ISSN1002-6630
DOI10.7506/spkx1002-6630-20201224-282

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Abstract TS255.1; 对分离自雪莲菌的乳酸菌进行益生特性评价.耐酸性和模拟胃肠液耐受性初筛结果表明,20株乳酸菌中有11株乳酸菌在pH 3.0和pH 2.5的培养基中具有耐受性,经过模拟胃肠液培养后有8株乳酸菌的活菌数大于106 CFU/mL;疏水性、自凝聚性、抗氧化能力和抑菌实验结果表明,副干酪乳杆菌(Lactobacillus paracasei)KF2-5和鼠李糖乳杆菌(Lactobacillus rhamnosus)RG疏水性较高、抑菌性最强,菌株RG的自凝聚能力和抗氧化能力较强;耐药性实验结果显示,菌株KF2-5和RG对红霉素、卡那霉素、氯霉素和四环素敏感,对头孢噻肟和万古霉素具有耐药性;溶血性实验表明,2株菌均无溶血.本研究筛选得到2株具有益生特性的乳酸菌KF2-5和RG,在益生产品开发中具有潜在的应用前景.
AbstractList TS255.1; 对分离自雪莲菌的乳酸菌进行益生特性评价.耐酸性和模拟胃肠液耐受性初筛结果表明,20株乳酸菌中有11株乳酸菌在pH 3.0和pH 2.5的培养基中具有耐受性,经过模拟胃肠液培养后有8株乳酸菌的活菌数大于106 CFU/mL;疏水性、自凝聚性、抗氧化能力和抑菌实验结果表明,副干酪乳杆菌(Lactobacillus paracasei)KF2-5和鼠李糖乳杆菌(Lactobacillus rhamnosus)RG疏水性较高、抑菌性最强,菌株RG的自凝聚能力和抗氧化能力较强;耐药性实验结果显示,菌株KF2-5和RG对红霉素、卡那霉素、氯霉素和四环素敏感,对头孢噻肟和万古霉素具有耐药性;溶血性实验表明,2株菌均无溶血.本研究筛选得到2株具有益生特性的乳酸菌KF2-5和RG,在益生产品开发中具有潜在的应用前景.
Author 彭禹熙
马立娟
何杉杉
王晓蕊
杜丽平
AuthorAffiliation 天津科技大学生物工程学院,工业发酵微生物教育部重点实验室,天津市工业微生物重点实验室,天津 300457
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HE Shanshan
MA Lijuan
DU Liping
WANG Xiaorui
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DocumentTitle_FL Probiotic Properties of Lactic Acid Bacteria Isolated from Tibetan Kefir Grain
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Keywords 雪莲菌;乳酸菌;益生特性;副干酪乳杆菌;鼠李糖乳杆菌
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Snippet TS255.1; 对分离自雪莲菌的乳酸菌进行益生特性评价.耐酸性和模拟胃肠液耐受性初筛结果表明,20株乳酸菌中有11株乳酸菌在pH 3.0和pH 2.5的培养基中具有耐受性,经过模拟胃肠...
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Title 雪莲菌中乳酸菌的益生特性
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