Utilize este identificador para referenciar este registo: http://hdl.handle.net/10400.1/6573
Título: Polyphenol and volatile profiles of pomegranate (Punica granatum L.) fruit extracts and liquors
Autor: Galego, Ludovina
Jockusch, Steffen
Silva, José P. da
Palavras-chave: Alcoholic beverages
Anthocyanins
Ellagitannins
Flavours
GC-MS
HPLC-MS
Pomegranate
Data: 2013
Editora: Wiley
Resumo: This work reports on the preparation of new aromatic pomegranate liquors by maceration of pomegranate juice and arils in Arbutus unedo L. distillate. The volatile, anthocyanin and ellagitannin profiles were monitored after each step. Aromatic compounds of pomegranates, such as limonene, 1-hexenol and trans-caryophyllene, were detected in trace levels and showed little contribution to the liquor aroma. The main volatiles of the liquors, namely isobutanol, isopentanols, vitispiranes and volatile esters, are given by the fruit distillate. The anthocyanin contents of the pomegranate juice were around 135mgL1 but decreased to about 5% of this value in the final liquors. Anthocyanin diglucoside compounds showed higher stability than their monoglucoside analogs. Punicalagins and punicalins showed contents between 80 and 135mgL1, depending on the used starting pomegranate material. These ellagitannins account for 60% of the total polyphenols. The procedure can be used to prepare aromatic pomegranate liquors with high polyphenol content.
Peer review: yes
URI: http://hdl.handle.net/10400.1/6573
DOI: https://dx.doi.org/10.1111/ijfs.12014
ISSN: 0950-5423
Aparece nas colecções:FCT2-Artigos (em revistas ou actas indexadas)

Ficheiros deste registo:
Ficheiro Descrição TamanhoFormato 
Polyphenol and volatile profiles of pomegranate.pdf752,05 kBAdobe PDFVer/Abrir    Acesso Restrito. Solicitar cópia ao autor!


FacebookTwitterDeliciousLinkedInDiggGoogle BookmarksMySpace
Formato BibTex MendeleyEndnote 

Todos os registos no repositório estão protegidos por leis de copyright, com todos os direitos reservados.