ArticleFoods (Basel, Switzerland)2024
Unraveling the Formation Mechanism of Egg's Unique Flavor via Flavoromics and Lipidomics.
Article in Foods (Basel, Switzerland), 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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6 citing papers in PubMed, 21 citations in OpenAlex.
- Cooked yolk fatty acid and metabolomic profiles reveal a greater docosahexaenoic acid proportion in one green-shell crossbred hen combination.Poultry science · 2026Article
- The formation mechanisms of egg quality and flavor of Taihu goose egg white during low-temperature storage.Food chemistry: X · 2026Article
- Lipid remodeling is associated with aroma formation during thermal processing of quail egg yolk: an integrated multi-omics study.Current research in food science · 2026Article
- Multi-Component Botanical Crude Extracts Improve Egg and Meat Quality in Late-Laying Hens Through Gut Microbiota Modulation.Foods (Basel, Switzerland) · 2025Article
- Comparison of the Metabolic and Flavor Characteristics of the Egg Yolks of BIAN Chicken and Hy-Line Brown Chicken Using LC-MS and GC × GC-TOF MS Techniques.Metabolites · 2025Article
- Analysis of flavor formation and metabolite changes during production of Double-Layer Steamed Milk Custard made from buffalo milk.PloS one · 2025Article
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Authors and funding
7 authors at 1 institution in 1 country.
Funding
Abstract
Egg products after thermal treatment possess a unique flavor and are favored by consumers. In this study, the key aroma-active compounds of egg yolk products and their formation mechanism during thermal treatment were investigated. The volatile aroma compounds in egg yolks were monitored using an electronic nose, gas chromatography-mass spectrometry (GC-MS) and gas chromatography-olfactometry-mass spectrometry (GC-O-MS), and the lipid molecular species were explored using ultra-high-performance liquid chromatography- mass spectrometry with a Q-Exactive HF-X Orbitrap (UPLC-Q-Exactive HF-X). A total of 68 volatile compounds were identified. Boiled eggs mainly derived their flavor from hexanal, 2-pentyl-furan, 2-butanone, 3-methyl-butanal and heptane. Meanwhile, fried eggs relied mainly on 14 compounds, the most important of which were 2-ethyl-3-methyl-pyrazine, 3-ethyl-2,5-dimethyl-pyrazine, 2-ethyl-3,5-dimethyl-pyrazine, nonanal and 2,3-diethyl-5-methyl-pyrazine, providing a baked and burnt sugar flavor. A total of 201 lipid molecules, belonging to 21 lipid subclasses, were identified in egg yolks, and 13 oxidized lipids were characterized using a molecular network. Phosphoethanolamines (PEs) containing polyunsaturated fatty acids were the primary flavor precursors contributing to the development of egg yolks' flavor, participating in lipid oxidation reactions and the Maillard reaction and regulating the production of aldehydes and pyrazine compounds. This study provides reference and guidance for the development of egg yolk flavor products.
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