Journal: Frontiers in Nutrition
Article Title: Key floral-fruity aroma compounds in Sichuan Congou black tea: identification via MDGC-MS/O and sensory evaluation
doi: 10.3389/fnut.2025.1577302
Figure Lengend Snippet: Heatmap results of 48 compounds with a significant difference in the five varieties floral-fruity aroma Congou black teas in Chongqing (VIP value >1 in OPLS-DA). (notes: Compound-1: nerol; Compound-2: (E)-2-octenal; Compound-3: (E,E)-2,4-nonadienal; Compound-4: (E)-2-decenal; Compound-5: (E,E)-2,4-heptadienal; Compound-6: furfural; Compound-7: (E)-3-hexenyl butanoate; Compound-8: (E,E)-2,4-decadienal; Compound-9: nerolidol; Compound-10: hexanal; Compound-11: 2-ethylnitrobenzene; Compound-12: (E)-2-nonenal; Compound-13: benzyl nitrile; Compound-14: 1,2-dihydro-1,1,6-trimethylnaphthalene; Compound-15: (R)-5,6,7,7a-tetrahydro-4,4,7a-trimethyl-2(4H)-benzofuranone; Compound-16: 3-octen-2-one; Compound-17: 2-butyl-2-octenal; Compound-18: (Z)-tetrahydro-6-(2-pentenyl)-2H-pyran-2-one; Compound-19: (E)-β-farnesene; Compound-20: 2-methylpropanoic acid 2-phenylethyl ester; Compound-21: hexyl hexanoate; Compound-22: (E)-citral trans-3,7-dimethylocta-2,6-dienal; Compound-23: α-terpineol; Compound-24: indole; Compound-25: 6-methyl-5-hepten-2-one; Compound-26: benzeneacetaldehyde; Compound-27: benzyl alcohol; Compound-28: geraniol; Compound-29: benzaldehyde; Compound-30: neral; Compound-31: 2,6,6-trimethylcyclohexa-1,3-diene-1-carbaldehyde; Compound-32: (E,Z)-2,6-nonadienal; Compound-33: heptanoic acid; Compound-34: 6,10-dimethyl-5,9-undecadien-2-one; Compound-35: (E)-2-heptenal; Compound-36: α-ionone; Compound-37: cis-3-hexenyl α-methylbutyrate; Compound-38: 3,5-octadien-2-one; Compound-39: trans-linalool oxide (furanoid); Compound-40: (Z)-3-hexen-1-yl benzoate; Compound-41: decanal; Compound-42: β-myrcene; Compound-43: methyl salicylate; Compound-44: 1-hexanol; Compound-45: 1-octen-3-ol; Compound-46: terpinen-4-ol; Compound-47: (E)-1-(2,6,6-trimethylcyclohexa-1,3-dien-1-yl)but-2-en-1-one; Compound-48: citral).
Article Snippet: Notably, linalool, β-myrcene, and methyl salicylate were identified as key citrus-like compounds in SCBT for the first time.
Techniques: