D.X.: data curation, formal analysis, writing–original draft. X.T.: data curation, software. L.W.: formal analysis, methodology. A.H.: formal analysis, validation. Z.L.: project administration, funding acquisition. L.L.: sample preparation. Y.Z.: writing—review & editing. Y.W.: supervision, writing—review & editing, funding acquisition. All authors have read and agreed to the published version of the manuscript. This work was supported by a grant from the Major agricultural products quality and safety testing and key control technology research and demonstration projects (2018XK2006). “Traditional fermented food manufacturing key technology and its metabolomics research” was funded by Hunan Agricultural University.
