The Yantai region in China, despite its ideal viticultural conditions, faces a challenge in producing white wines with distinct regional typicity. This study explores the potential of indigenous yeast strains-specifically, the Hanseniaspora uvarum H30 and Saccharomyces cerevisiae YT13, both isolated and identified from the Yantai vineyard environment-to enhance the aroma profiles and overall quality of white wines from this region. Italian Riesling and Petit Manseng grapes were fermented with two commercial Saccharomyces cerevisiae strains (EC1118 and Tropical/X16) and a sequential inoculation of the locally sourced Hanseniaspora uvarum H30 (with high β-glucosidase activity) followed by S. cerevisiae YT13. The results showed that sequential inoculation with H30 + YT13 significantly enhanced the concentration of key ester compounds and uniquely increased terpene levels. Notably, valuable terpenes such as farnesol and nerolidol were exclusively detected in the H30 + YT13 group for Italian Riesling. Sensory analysis confirmed that these chemical changes translated into higher scores for floral and fruity attributes in the sequentially inoculated wines. These findings demonstrate that sequential inoculation with indigenous yeasts effectively enhances the aromatic complexity and varietal typicity of white wines from Yantai, providing a promising strategy for developing wines with stronger regional identity.
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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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| Evidence ID | Analyze ID | Dataset | Description | Keywords | Number of Conditions | Reference |
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| Evidence ID | Analyze ID | File | Description |
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