Improved accuracy of geographical origin identification of shiitake grown in sawdust medium: A compound-specific isotope model-based pilot study

Ill-Min Chung,Yun-Ju Kim,Hee-Sung Moon,Jae-Gu Han,Won-Sik Kong,Christopher T Yarnes,Seung-Hyun Kim

Food Chemistry（2022）

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摘要

•The CSIA-model improved the authentication of the origin of shiitake.•CSIA differentiates Chinese-inoculated medium shiitake from Chinese origin shiitake.•Glutamate and aspartate δ15N were the most crucial markers of shiitake origin.•The predictability of the classification for the cross-validated set was 96.4%.

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关键词

Shiitake,Origin labeling,Sawdust-based medium,Compound-specific isotope analysis,Discriminant model

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