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Título
Ultrasound-assisted extraction of semi-defatted unripe Genipap (Genipa americana L.): Selective conditions for the recovery of natural colorants
Autor
Año del Documento
2021
Editorial
MDPI
Descripción
Producción Científica
Documento Fuente
Processes, 2021, Vol. 9, Nº. 8, 1435
Résumé
Ultrasound-assisted extraction (UAE) of semi-defatted unripe genipap (SDG) using supercritical CO2 was performed to enhance the recovery of natural colorant iridoids genipin and geniposide. There are currently few natural sources of iridoids, and their application as colorants is scarce. The UAE resulted in extracts with blue and green colors using water and ethanol, respectively. The highest global yield and genipin content was recovered with water, and the geniposide was significantly recovered with ethanol. With water at 450 W, the UAE raised the maximum global yield (25.50 g/100 g raw material). At 150 W and 7 min, the maximum content of genipin (121.7 mg/g extract) and geniposide (312 mg/g extract) was recovered. The total phenolic content (TPC) and antioxidant capacity with the oxygen reactive antioxidant capacity (ORAC) assay were also high in aqueous extracts. Ethanolic extracts showed high ferric-reducing ability antioxidant potential (FRAP) values. UAE showed an efficient and fast method to obtain different extracts’ fractions from SDG, which have a wide spectrum of applications, especially as natural food colorants.
Materias (normalizadas)
Antioxidants
Colorantes
Materias Unesco
23 Química
3308 Ingeniería y Tecnología del Medio Ambiente
Palabras Clave
Ultrasound-assisted extraction
Iridoids
Genipin
Geniposide
Genipa americana
ISSN
2227-9717
Revisión por pares
SI
Patrocinador
Coordenação de Aperfeiçoamento de Pessoal de Nível Superior—Brazil - (Finance Code 001)
Consejo Nacional de Desarrollo Científico y Tecnológico de Brasil (CNPq) - (grant 309825/2020-2)
Consejo Nacional de Desarrollo Científico y Tecnológico de Brasil (CNPq) - (grant 309825/2020-2)
Version del Editor
Propietario de los Derechos
© 2021 The authors
Idioma
eng
Tipo de versión
info:eu-repo/semantics/publishedVersion
Derechos
openAccess
Aparece en las colecciones
Fichier(s) constituant ce document
Tamaño:
1019.Ko
Formato:
Adobe PDF
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