Comparison of Volatile Compounds and Sensory Profiles of Low-Alcohol Pear Beverages Fermented with Saccharomyces Cerevisiae and Different Non-Saccharomyces Cerevisiae

Zhe Zhang,Xin Wen,Xiaowen Chen,Xu Liu,Zhiyi Gao,Pengfei Bi,Wangsheng Sun,Shiqi Li,Jing Guo

Food Microbiology（2024）

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Abstract

This study aimed to assess the impact of Saccharomyces cerevisiae and different non-Saccharomyces cerevisiae (Zygosaccharomyces bailii, Hanseniaspora opuntiae and Zygosaccharomyces rouxii) on the volatile compounds and sensory properties of low-alcohol pear beverages fermented from three varieties of pear juices (Korla, Laiyang and Binzhou). Results showed that all three pear juices were favorable matrices for yeasts growth. Non-Saccharomyces cerevisiae exhibited a higher capacity for acetate ester production compared to Saccharomyces cerevisiae, resulting in a significant enhancement in sensory complexity of the beverages. PCA and sensory analysis demonstrated that pear varieties exerted a stronger influence on the crucial volatile components and aroma characteristics of the fermented beverages compared to the yeast species. CA results showed different yeast strains exhibited suitability for the fermentation of specific pear juice varieties.

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Key words

Saccharomyces cerevisiae,Non,Low-alcohol pear beverages,Volatile compounds,Sensory properties

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