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Title: Phenolic composition of Cydonia oblonga Miller leaf.
Author: Silva, B.M.
Oliveira, A.P.
Pereira, J.A.
Valentão, P.
Seabra, R.M.
Andrade, P.B.
Issue Date: 2008
Citation: Silva, B.M.; Oliveira, A.P.; Pereira, J.A.; Valentão, P.; Seabra, R.M.; Andrade, P.B. (2008) - Phenolic composition of Cydonia oblonga Miller leaf. In XXIVth International Conference on Polyphenols. Salamanca
Abstract: Phenolic profile of 36 Cydonia oblonga Miller leaf samples, from 3 different geographical origins of Portugal, harvested in 3 collection months, was determined by HPLC/DAD. Quince leaf presented a common profile composed by 9 constituents: 3-0-, 4-0- and 5-0-caffeoylquinic acids, 3,5-0-dicaffeoylquinic acid, quercetin-3-0 galactoside, quercetin-3-0-rutinoside, kaempferol-3-0-glycoside, kaempferol-3-0-g1ucoside and kaempferol-3-0-rutinoside. C. oblonga leaf total content varied from 4.9 to 16.5 g/kg of dry matter, indicating that this leaf can be used as a good and cheap source of bioactive constituents. 5-0-caffeoylquinic acid was the major phenolic compound (36.2%). Significantly differences were found in 3-0-caffeoylquinic and 3,5-0-dicaffeoylquinic acids contents, according to geographical provenience and harvesting month.
Peer review: yes
Appears in Collections:PTV - Resumos em Proceedings Não Indexados ao ISI/Scopus

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