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[Method] 5 batches of yogurt were stored at 2 ℃,4 ℃,6 ℃ and room temperature 25 ℃,and the number and quality score of viable lactic acid bacteria were detected once every 1 day from 1st to 19th day,for a total of 10 times. Compare,analyze and score the results. [Result] 5 batches of yogurt were stored at different temperatures,and all showed the same characteristics:when the yogurt was stored at room temperature 25 ℃ for 5~7 days,the number and quality score of viable lactic acid bacteria increased,but the number and quality score of viable lactic acid bacteria decreased sharply with the passage of time. The number and quality score of viable lactic acid bacteria increased within 19 days of storage at 4 ℃,and remained at a high level. When stored at 2 ℃ and 6 ℃,the number and quality score of viable lactic acid bacteria in yogurt decreased. The results of each batch were consistent and effectively verified. [Conclusion] Storage of yogurt at 4 ℃ was conducive to the growth of lactic acid bacteria and maintained high quality,which is the best storage temperature., authors=LV Man, ZHANG Danqin*, WAN Zhonghua, WANG Dan, LI Xiuying, WANG Lei, authorsList=LV Man, ZHANG Danqin, WAN Zhonghua, WANG Dan, LI Xiuying, WANG Lei, authorCompany=Mengniu Dairy(Jinhua) Co.,Ltd.,Jinhua Zhejiang 321000, correspAuthors=null, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, fund=null), CN=ArticleExt(id=1319613285746459395, articleId=1319613285436080898, tenantId=1146029695717560320, journalId=1296801528146919473, language=CN, 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[2] 曹晓玉,王绪晶.乳酸菌饮料活菌数符合度鉴定及温度对乳酸菌的影响[J]. 食品安全导刊,2023(12):78-80,86.
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[8] 刘会耀,彭飞. 乳酸菌发酵酸乳理化性质及微生物代谢研究进展[J]. 乳业科学与技术, 2024, 47(3): 49-60.
[9] 惠文彦,史颖甜,高敏,等. 传统发酵食品来源乳酸菌在酸奶中的应用研究[J]. 山西化工, 2024, 44(3): 6-8,14.)
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不同贮存温度对酸乳中乳酸菌活菌数和品质的影响分析
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吕曼, 张丹琴*, 万忠华, 王丹, 李秀莹, 王蕾
作者信息
    蒙牛乳业(金华)有限公司,浙江金华 321000
通讯作者:
*张丹琴(1986-),女,安徽马鞍山人,本科,初级工程师,研究方向为食品质量与安全。
作者简介:
吕 曼(1988-),女,安徽宿州人,本科,初级工程师,研究方向为食品质量与安全;万忠华(1980-),女,黑龙江伊春人,本科,中级工程师,研究方向为食品质量与安全;王 丹(1983-),女,内蒙古呼和浩特人,本科,副高级工程师,研究方向为食品质量与安全;李秀莹(1994-),女,内蒙古赤峰人,大专,研究方向为食品质量与安全;王 蕾(1997-),女,吉林长春人,本科,研究方向为食品质量与安全。
Analysis of the Effects of Different Storage Temperatures on the Number and Quality of Viable Lactic Acid Bacteria in Yogurt
  • LV Man, ZHANG Danqin*, WAN Zhonghua, WANG Dan, LI Xiuying, WANG Lei
  • Affiliations
      Mengniu Dairy(Jinhua) Co.,Ltd.,Jinhua Zhejiang 321000
    doi: 10.12377/1671-4393.25.02.21
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    [目的] 研究不同贮存温度下,酸乳中乳酸菌活菌数和品质变化。[方法] 5 个批次酸乳各在2 ℃、4 ℃、6 ℃和室温25 ℃贮存,第1~19d内,每隔1 d进行1 次乳酸菌活菌数检测和品质评分,共10 次。比较、分析检测和评分结果。[结果] 5 个批次酸乳在不同温度下贮存,呈相同特征:室温25 ℃贮存5~7 d时,乳酸菌活菌数、品质评分提高,但随时间推移,乳酸菌活菌数、品质评分急剧下降。4 ℃贮存19 d内,乳酸菌活菌数增加、质量评分上升,保持较高水平。2 ℃、6 ℃贮存时,乳酸菌活菌数、品质评分下降。各批次结果一致,得到有效验证。[结论] 4 ℃贮存酸乳,有利于乳酸菌生长,保持较高品质,是最佳贮存温度。
    酸乳  /  贮存温度  /  乳酸菌活菌数  /  品质  /  影响
    [Objective] To study the changes in the number and quality of viable lactic acid bacteria in yogurt at different storage temperatures. [Method] 5 batches of yogurt were stored at 2 ℃,4 ℃,6 ℃ and room temperature 25 ℃,and the number and quality score of viable lactic acid bacteria were detected once every 1 day from 1st to 19th day,for a total of 10 times. Compare,analyze and score the results. [Result] 5 batches of yogurt were stored at different temperatures,and all showed the same characteristics:when the yogurt was stored at room temperature 25 ℃ for 5~7 days,the number and quality score of viable lactic acid bacteria increased,but the number and quality score of viable lactic acid bacteria decreased sharply with the passage of time. The number and quality score of viable lactic acid bacteria increased within 19 days of storage at 4 ℃,and remained at a high level. When stored at 2 ℃ and 6 ℃,the number and quality score of viable lactic acid bacteria in yogurt decreased. The results of each batch were consistent and effectively verified. [Conclusion] Storage of yogurt at 4 ℃ was conducive to the growth of lactic acid bacteria and maintained high quality,which is the best storage temperature.
    yogurt  /  storage temperature  /  number of viable lactic acid bacteria  /  quality  /  effect
    吕曼, 张丹琴, 万忠华, 王丹, 李秀莹, 王蕾. 不同贮存温度对酸乳中乳酸菌活菌数和品质的影响分析. 中国乳业, 2025 , (2) : 114 -117 . DOI: 10.12377/1671-4393.25.02.21
    LV Man, ZHANG Danqin, WAN Zhonghua, WANG Dan, LI Xiuying, WANG Lei. Analysis of the Effects of Different Storage Temperatures on the Number and Quality of Viable Lactic Acid Bacteria in Yogurt[J]. China Dairy, 2025 , (2) : 114 -117 . DOI: 10.12377/1671-4393.25.02.21

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    doi: 10.12377/1671-4393.25.02.21
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    2种不同金属材料的力学参数
    科
    Family
    属数
    Number of
    genus
    种数
    Number of
    species
    占总种数比例
    Percentage of
    total species (%)
    属
    Genus
    种数
    Number of
    species
    占总种数比例
    Percentage of total
    species (%)
    鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
    小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
    多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
    红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
    小菇属 Mycena 11 5.26
    光柄菇属 Pluteus 5 2.39
    红菇属 Russula 17 8.13
    栓菌属 Trametes 5 2.39
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