Excessive amount of higher alcohols in alcoholic beverages causes unwell and side-effect for consumers although adequate consumption offers joy and pleasure. Therefore, reducing higher alcohols in alcoholic beverages is necessary. We used nitrogen compensation to reduce higher alcohols with Chinese rice wine as an experimental model. Higher alcohols including isobutyl alcohols, isoamyl alcohols, and β-phenethyl alcohols were significantly decreased by 19.27, 23.03 and 19.43%, respectively, when 200 mg/L (NH4)2HPO4, 5% (w/v) yeast, and 11% wheat Koji were added to fermentation broth. Meanwhile, important quality parameters remained unchanged including free amino acids, organic acids, biogenic amines, and esters. The expression of glutamate dehydrogenase 1 gene (GDH1) and glutamine synthetase gene (GLN1) was significantly enhanced, 26.9- and 1.9-folds respectively. These results suggest that ammonium compensation could effectively decrease higher alcohols in Chinese rice wine by activating glutamate dehydrogenase (GDH) pathway in ammonium assimilation.
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| Evidence ID | Analyze ID | Gene/Complex | Systematic Name/Complex Accession | Qualifier | Gene Ontology Term ID | Gene Ontology Term | Aspect | Annotation Extension | Evidence | Method | Source | Assigned On | Reference |
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| Evidence ID | Analyze ID | Gene | Gene Systematic Name | Phenotype | Experiment Type | Experiment Type Category | Mutant Information | Strain Background | Chemical | Details | Reference |
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| Evidence ID | Analyze ID | Gene | Gene Systematic Name | Disease Ontology Term | Disease Ontology Term ID | Qualifier | Evidence | Method | Source | Assigned On | Reference |
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| Evidence ID | Analyze ID | Regulator | Regulator Systematic Name | Target | Target Systematic Name | Direction | Regulation of | Happens During | Regulator Type | Direction | Regulation Of | Happens During | Method | Evidence | Strain Background | Reference |
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| Site | Modification | Modifier | Source | Reference |
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| Evidence ID | Analyze ID | Interactor | Interactor Systematic Name | Interactor | Interactor Systematic Name | Allele | Assay | Annotation | Action | Phenotype | SGA score | P-value | Source | Reference | Note |
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| Evidence ID | Analyze ID | Interactor | Interactor Systematic Name | Interactor | Interactor Systematic Name | Assay | Annotation | Action | Modification | Source | Reference | Note |
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| Complement ID | Locus ID | Gene | Species | Gene ID | Strain background | Direction | Details | Source | Reference |
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