Dynamic changes of microbiota and texture properties during the ripening of traditionally prepared cheese of China,Archives of Microbiology

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Dynamic changes of microbiota and texture properties during the ripening of traditionally prepared cheese of China
Archives of Microbiology ( IF 2.3 ) Pub Date : 2020-06-02 , DOI: 10.1007/s00203-020-01921-z
Jiao Jingkai ₁ , Zhang Jianming ₂ , Liu Zhenmin ₁ , Yi Huaxi ₃

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The dynamic changes of microbiota assessed by high-throughput sequencing and texture properties of handmade cheese were investigated during ripening time. Streptococcus and Lactococcus were found to be the most predominant genera. The proportion of Streptococcus was decreased from 48 to 32% and the proportion of Lactococcus was increased from 41 to 55% with ripening time from 1 to 120 days. Mould and yeast such as Paecilomyces , Candida , Issatchenkia , Rhodotorula , Cryptococcus and Trichosporon were observed. The regression analysis between composition and textural properties indicated that the hardness was increased along with the rising of soluble nitrogen, while the increased soluble nitrogen could result in lower cohesiveness, and the increased fat in dry matter resulted in lower resilience. The physic-chemical parameters were correlated with secondary microbiota such as Cryptococcus and Candida according to the multivariate association analysis ( p < 0.05). These findings could provide a baseline to improve the product quality and preserve the traditional characteristics of handmade cheese.

更新日期：2020-06-02

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