Recovery of steroidal alkaloids from potato peels using pressurized liquid extraction.
Molecules
; 20(5): 8560-73, 2015 May 13.
Article
em En
| MEDLINE
| ID: mdl-25985357
ABSTRACT
A higher yield of glycoalkaloids was recovered from potato peels using pressurized liquid extraction (1.92 mg/g dried potato peels) compared to conventional solid-liquid extraction (0.981 mg/g dried potato peels). Response surface methodology deduced the optimal temperature and extracting solvent (methanol) for the pressurized liquid extraction (PLE) of glycoalkaloids as 80 °C in 89% methanol. Using these two optimum PLE conditions, levels of individual steroidal alkaloids obtained were of 597, 873, 374 and 75 µg/g dried potato peel for α-solanine, α-chaconine, solanidine and demissidine respectively. Corresponding values for solid liquid extraction were 59%, 46%, 40% and 52% lower for α-solanine, α-chaconine, solanidine and demissidine respectively.
Palavras-chave
Texto completo:
1
Coleções:
01-internacional
Base de dados:
MEDLINE
Assunto principal:
Solanum tuberosum
/
Alcaloides
/
Extração em Fase Sólida
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Compostos Fitoquímicos
Idioma:
En
Revista:
Molecules
Ano de publicação:
2015
Tipo de documento:
Article