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. 2021 Oct 15;10(10):2474. doi: 10.3390/foods10102474

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© 2021 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).

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PCA of (a) Corvina and (b) Corvinone wines. Variables plot numbers correspond to: (1) 1-Butanol, (2) Butanol, (3) Isoamyl alcohol, (4) 1-Pentanol, (5) Methionol, (6) Phenylethyl alcohol, (7) 1-Hexanol, (8) trans-3-Hexen-1-ol, (9) cis-3-Hexen-1-ol, (10) cis-2-Hexen-1-ol, (11) Isoamyl acetate, (12) n-Hexyl acetate, (13) 2-Phenylethyl acetate, (14) Ethyl acetate, (15) Ethyl-2-methylbutanoate, (16) Ethyl 3-methylbutanoate, (17) Ethyl butanoate, (18) Ethyl hexanoate, (19) Ethyl lactate, (20) Ethyl octanoate, (21) Ethyl 3-hydroxybutanoate, (22) Ethyl 2-hydroxyhexanoate, 23) Ethyl decanoate, (24) Acetic acid, (25) 3-Methylbutanoic acid, (26) Hexanoic acid, (27) Octanoic acid, (28) cis-Linaloloxide, (29) trans-Linaloloxide, (30) 3-carene, (31) α-Phellandrene, (32) α-Terpinene, (33) β-Myrcene, (34) 1,4-Cineole, (35) Limonene, (36) 1,8-cineole, (37) p-Cymene, 38) Terpinolene, (39) Linalool, (40) Geraniol, (41) Terpinen-4-ol, (42) α-Terpineol, (43) β-Citronellol, (44) β-Damascenone, (45) TPB (E)-1-(2,3,6-Trimethylphenyl)-buta-1,3-diene), (46) TDN (1,6,-trimethyl-1,2-dihydronapthalene), (47) 3-Hydroxy-β-damascone, (48) Vitispirane, (49) Furfural, (50) Benzaldehyde, (51) Benzyl alcohol, (52) Eugenol, (53) 2,6-Dimethoxyphenol, (54) Vanillin, (55) Methyl vanillate, (56) Ethyl vanillate, (57) Methyl salicylate, (58) γ-Decalactone, (59) δ-Decalactone.