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Citrus pectin obtained by ultrasound-assisted extraction: Physicochemical, structural, rheological and functional properties
Pectina cítrica obtenida por extracción asistida por ultrasonido: propiedades fisicoquímicas, estructurales, reológicas y funcionales
Erik Manuel de Atocha Polanco Lugo
José Isabel Martínez Castillo
Juan C. Cuevas-Bernardino
Tania González-Flores
RUBY ALEJANDRA VALDEZ OJEDA
Neith Pacheco López
Teresa del Rosario Ayora_Talavera
Acceso Abierto
Atribución-NoComercial-SinDerivadas
10.1080/19476337.2019.1600036
PECTIN
ULTRASOUND-ASSISTED EXTRACTION
CITRUS RETICULATA
CITRUS PARADISI
Tangerine (Citrus reticulata. CRP) and grapefruit (Citrus paradisi. CPP) pectins obtained by ultrasound-assisted extraction (UAE) and conventional extraction (CE) using citric acid were characterized to establish their potential uses as an alternative source of commercial pectin. The pectins obtained by UAE and CE presented a pseudoplastic fluid characteristic with shear thinning behavior, a high esterification degree (CRP 82.30–71.81% and CPP 84.25–72.15%) and were of commercial quality based on galacturonic acid content (CRP 76.03% and CPP 76.03–71.01%). CPP presented greater viscosimetric molecular weight than CRP. Meanwhile, CRP presented greater polyphenol and protein content with respect CPP. The functional properties were influenced by citrus source and extraction method. UAE favored greater yields in a shorter time (CPP: 26.05%, 30 min; CRP: 13.46%, 15 min) compared to CE. UAE combined with the use of citric acid offers an effective alternative for obtaining high-quality pectins with lower polluting effluent, time and energy requirements.
2019
Artículo
CyTA-Journal of Food, 17(1), 463-471, 2019
Inglés
Polanco-Lugo, E., Martínez-Castillo, J. I., Cuevas-Bernardino, J. C., González-Flores, T., Valdez-Ojeda, R., Pacheco, N., & Ayora-Talavera, T. (2019). Citrus pectin obtained by ultrasound-assisted extraction: Physicochemical, structural, rheological and functional properties. CyTA-Journal of Food, 17(1), 463-471
PROPIEDADES DE LOS MATERIALES
Versión publicada
publishedVersion - Versión publicada
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