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Synthesis of a new catechin-pyrylium derived pigment

Title
Synthesis of a new catechin-pyrylium derived pigment
Type
Article in International Scientific Journal
Year
2004
Authors
de Freitas, V
(Author)
FCUP
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Sousa, C
(Author)
Other
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Silva, AMS
(Author)
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Santos Buelga, C
(Author)
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Mateus, N
(Author)
FCUP
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Journal
Title: Tetrahedron LettersImported from Authenticus Search for Journal Publications
Vol. 45
Pages: 9349-9352
ISSN: 0040-4039
Publisher: Elsevier
Scientific classification
FOS: Natural sciences > Chemical sciences
Other information
Authenticus ID: P-000-7AV
Abstract (EN): A new catechin-pyrylium derived pigment compound was synthesised from the reaction of catechin with sinapaldehyde in acidic conditions and its structure has been characterised by UV-vis, MS and NMR spectroscopy. Similar compounds could be expected to be formed in wines and contribute to changes in colour and astringency during ageing.
Language: English
Type (Professor's evaluation): Scientific
Contact: vfreitas@fc.up.pt
No. of pages: 4
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