Nature of Phenolic Compounds in Coffee Melanoidins
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作者:
Coelho, Carina
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Univ Tras Os Montes & Alto Douro, Dept Chem, Chem Res Ctr, CQ VR, P-5000801 Vila Real, PortugalUniv Tras Os Montes & Alto Douro, Dept Chem, Chem Res Ctr, CQ VR, P-5000801 Vila Real, Portugal
Coelho, Carina
[1
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Ribeiro, Miguel
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Univ Tras Os Montes & Alto Douro, Dept Chem, Chem Res Ctr, CQ VR, P-5000801 Vila Real, PortugalUniv Tras Os Montes & Alto Douro, Dept Chem, Chem Res Ctr, CQ VR, P-5000801 Vila Real, Portugal
Ribeiro, Miguel
[1
]
Cruz, Ana C. S.
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Univ Tras Os Montes & Alto Douro, Dept Chem, Chem Res Ctr, CQ VR, P-5000801 Vila Real, PortugalUniv Tras Os Montes & Alto Douro, Dept Chem, Chem Res Ctr, CQ VR, P-5000801 Vila Real, Portugal
Cruz, Ana C. S.
[1
]
Domingues, M. Rosario M.
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Univ Aveiro, Dept Chem, QOPNA, P-3810193 Aveiro, PortugalUniv Tras Os Montes & Alto Douro, Dept Chem, Chem Res Ctr, CQ VR, P-5000801 Vila Real, Portugal
Domingues, M. Rosario M.
[2
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Coimbra, Manuel A.
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Univ Aveiro, Dept Chem, QOPNA, P-3810193 Aveiro, PortugalUniv Tras Os Montes & Alto Douro, Dept Chem, Chem Res Ctr, CQ VR, P-5000801 Vila Real, Portugal
Coimbra, Manuel A.
[2
]
Bunzel, Mirko
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Karlsruhe Inst Technol, Dept Food Chem & Phytochem, D-76021 Karlsruhe, GermanyUniv Tras Os Montes & Alto Douro, Dept Chem, Chem Res Ctr, CQ VR, P-5000801 Vila Real, Portugal
Bunzel, Mirko
[3
]
Nunes, Fernando M.
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Univ Tras Os Montes & Alto Douro, Dept Chem, Chem Res Ctr, CQ VR, P-5000801 Vila Real, PortugalUniv Tras Os Montes & Alto Douro, Dept Chem, Chem Res Ctr, CQ VR, P-5000801 Vila Real, Portugal
Nunes, Fernando M.
[1
]
机构:
[1] Univ Tras Os Montes & Alto Douro, Dept Chem, Chem Res Ctr, CQ VR, P-5000801 Vila Real, Portugal
[2] Univ Aveiro, Dept Chem, QOPNA, P-3810193 Aveiro, Portugal
Phenolic compounds are incorporated into coffee melanoidins during roasting mainly in condensed form (42-62 mmol/100 g) and also in ester-linked form (1.1-1.6 mmol/100 g), with incorporation levels depending on the green coffee chlorogenic acid content. The phenolic compounds are incorporated in different coffee melanoidin populations, but mainly in those soluble in 75% ethanol (82%), a significant correlation between the amount of phenolic compounds and the amount of protein and color characteristics of the different melanoidin populations being observed. The incorporation of phenolic compounds into coffee melanoidins is a significant pathway of chlorogenic acid degradation during roasting, representing 23% of the chlorogenic acids lost. These account for the nearly 26% of the material not accounted for by polysaccharides and proteins present in coffee melanodins. The cleavage mechanism and the efficiency of alkaline fusion used to release condensed phenolics from coffee melanoidins suggest that the phenolic compounds can be linked to the polymeric material by aryl-ether, stilbene type, and/or biphenyl linkages.
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Univ Tras Os Montes & Alto Douro, CQ VR, Chem Res Ctr, Dept Chem, P-5000801 Vila Real, PortugalUniv Tras Os Montes & Alto Douro, CQ VR, Chem Res Ctr, Dept Chem, P-5000801 Vila Real, Portugal
Abraao, Ana S.
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Lemos, Andre M.
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Univ Tras Os Montes & Alto Douro, CQ VR, Chem Res Ctr, Dept Chem, P-5000801 Vila Real, PortugalUniv Tras Os Montes & Alto Douro, CQ VR, Chem Res Ctr, Dept Chem, P-5000801 Vila Real, Portugal
Lemos, Andre M.
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Vilela, Alice
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Univ Tras Os Montes & Alto Douro, Inst Biotechnol & Bioengn, Ctr Genom & Biotechnol IBB CGB UTAD, P-5000801 Vila Real, PortugalUniv Tras Os Montes & Alto Douro, CQ VR, Chem Res Ctr, Dept Chem, P-5000801 Vila Real, Portugal
Vilela, Alice
;
Sousa, Jose M.
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Univ Tras Os Montes & Alto Douro, CQ VR, Chem Res Ctr, Dept Chem, P-5000801 Vila Real, Portugal
Univ Porto, LEPAE Fac Engn, P-4200465 Oporto, PortugalUniv Tras Os Montes & Alto Douro, CQ VR, Chem Res Ctr, Dept Chem, P-5000801 Vila Real, Portugal
Sousa, Jose M.
;
Nunes, Fernando M.
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Univ Tras Os Montes & Alto Douro, CQ VR, Chem Res Ctr, Dept Chem, P-5000801 Vila Real, PortugalUniv Tras Os Montes & Alto Douro, CQ VR, Chem Res Ctr, Dept Chem, P-5000801 Vila Real, Portugal
机构:Univ Naples Federico II, Dipartimento Sci Alimenti, Portici, Napoli, Italy
Borrelli, RC
;
Visconti, A
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机构:Univ Naples Federico II, Dipartimento Sci Alimenti, Portici, Napoli, Italy
Visconti, A
;
Mennella, C
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机构:Univ Naples Federico II, Dipartimento Sci Alimenti, Portici, Napoli, Italy
Mennella, C
;
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Anese, M
;
Fogliano, V
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Univ Naples Federico II, Dipartimento Sci Alimenti, Portici, Napoli, ItalyUniv Naples Federico II, Dipartimento Sci Alimenti, Portici, Napoli, Italy
机构:
Univ Tras Os Montes & Alto Douro, CQ VR, Chem Res Ctr, Dept Chem, P-5000801 Vila Real, PortugalUniv Tras Os Montes & Alto Douro, CQ VR, Chem Res Ctr, Dept Chem, P-5000801 Vila Real, Portugal
Abraao, Ana S.
;
Lemos, Andre M.
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Univ Tras Os Montes & Alto Douro, CQ VR, Chem Res Ctr, Dept Chem, P-5000801 Vila Real, PortugalUniv Tras Os Montes & Alto Douro, CQ VR, Chem Res Ctr, Dept Chem, P-5000801 Vila Real, Portugal
Lemos, Andre M.
;
Vilela, Alice
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Univ Tras Os Montes & Alto Douro, Inst Biotechnol & Bioengn, Ctr Genom & Biotechnol IBB CGB UTAD, P-5000801 Vila Real, PortugalUniv Tras Os Montes & Alto Douro, CQ VR, Chem Res Ctr, Dept Chem, P-5000801 Vila Real, Portugal
Vilela, Alice
;
Sousa, Jose M.
论文数: 0引用数: 0
h-index: 0
机构:
Univ Tras Os Montes & Alto Douro, CQ VR, Chem Res Ctr, Dept Chem, P-5000801 Vila Real, Portugal
Univ Porto, LEPAE Fac Engn, P-4200465 Oporto, PortugalUniv Tras Os Montes & Alto Douro, CQ VR, Chem Res Ctr, Dept Chem, P-5000801 Vila Real, Portugal
Sousa, Jose M.
;
Nunes, Fernando M.
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机构:
Univ Tras Os Montes & Alto Douro, CQ VR, Chem Res Ctr, Dept Chem, P-5000801 Vila Real, PortugalUniv Tras Os Montes & Alto Douro, CQ VR, Chem Res Ctr, Dept Chem, P-5000801 Vila Real, Portugal
机构:Univ Naples Federico II, Dipartimento Sci Alimenti, Portici, Napoli, Italy
Borrelli, RC
;
Visconti, A
论文数: 0引用数: 0
h-index: 0
机构:Univ Naples Federico II, Dipartimento Sci Alimenti, Portici, Napoli, Italy
Visconti, A
;
Mennella, C
论文数: 0引用数: 0
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机构:Univ Naples Federico II, Dipartimento Sci Alimenti, Portici, Napoli, Italy
Mennella, C
;
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机构:
Anese, M
;
Fogliano, V
论文数: 0引用数: 0
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Univ Naples Federico II, Dipartimento Sci Alimenti, Portici, Napoli, ItalyUniv Naples Federico II, Dipartimento Sci Alimenti, Portici, Napoli, Italy