Zobrazeno 1 - 10
of 17
pro vyhledávání: '"Nelson Hurtado"'
Autor:
Silvia Cruz, Neyder Checa, Hugo Tovar, María Jesús Cejudo-Bastante, Francisco J. Heredia, Nelson Hurtado
Publikováno v:
Molecules, Vol 29, Iss 9, p 2116 (2024)
The availability of pure individual betalains in sufficient quantities which permit deeper understanding is still a challenge. This study investigates the high-yielding semisynthesis of betaxanthins using betalamic acid from a natural source (Opuntia
Externí odkaz:
https://doaj.org/article/bce2d66af53643d0a11a3388407cb72a
Publikováno v:
Molecules, Vol 24, Iss 17, p 3209 (2019)
The byproducts (seeds and peels) of an avocado cultivated in the south of Colombia were extracted with aqueous acetone and their antioxidant properties were measured with ABTS (2,2′-azino-bis(3-ethylbenzothiazoline-6-sulphonic acid) and DPPH (2,2-d
Externí odkaz:
https://doaj.org/article/1b8afabe79334277ae081f98caf5dd4b
Revalorization of Colombian purple corn Zea mays L. by-products using two-step column chromatography
Autor:
Estefania J. Carrera, María Jesús Cejudo-Bastante, Nelson Hurtado, Francisco J. Heredia, M. Lourdes González-Miret
Publikováno v:
Food Research International. 169:112931
Publikováno v:
Plant Foods for Human Nutrition. 75:434-440
An improved methodology of achieving an accurate separation of pure fractions of betacyanins and betaxanthins from Ullucus tuberosus Caldas has been carried out. For that purpose, an in-depth chemical identification of each betalain fraction using HP
Publikováno v:
idUS. Depósito de Investigación de la Universidad de Sevilla
instname
instname
A purification and fractionation process of the edible flowers of Tibouchina mollis and Tibouchina urvilleana followed by the first attempt to the anthocyanin and flavonol characterisation and identification by UHPLC-DAD-ESI-MS were developed. T. urv
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1a897adecfa847eda3837f5576bc1ca7
Autor:
Nelson Hurtado, Claudia Charfuelan
Publikováno v:
Información tecnológica v.30 n.5 2019
SciELO Chile
CONICYT Chile
instacron:CONICYT
SciELO Chile
CONICYT Chile
instacron:CONICYT
espanolMediante el uso de diferentes tecnicas cromatograficas se obtuvieron extractos ricos en polifenoles (antocianinas). A partir de los extractos purificados se identificaron por primera vez las antocianinas mayoritarias del fruto de Monnina Obtus
Publikováno v:
International Journal of Food Science & Technology. 54:3024-3031
Stenocereus griseus pitaya has been evaluated as potential natural colourant on the basis of tristimulus colorimetry, differential colorimetry, and individual betalains, not previously conducted in conjunction with this raw material. Different techno
Publikováno v:
Journal of Food Science and Technology. 53:2405-2413
The effects of different pHs (4, 5 and 6), temperatures (4, 20 and 80 °C) and storage (up to 12 days) on differential tristimulus colorimetry and betalain content related to the colour of yellow pitaya (Selenicereus megalanthus) have been investigat
Autor:
Natalia Mosquera, Nelson Hurtado, Francisco J. Heredia, Sandra Montes-Lora, María Jesús Cejudo-Bastante
Publikováno v:
International Journal of Food Science & Technology. 51:1041-1047
Summary The effect of different technological practices on ulluco (ullucus tuberosus) and Opuntia dillenii has been scrutinised. Their stability at different pHs and temperatures of storage or processing over time was monitored. Our aim was focused o
Publikováno v:
Pensamiento Americano, Vol 11, Iss 21 (2018)
El presente artículo tiene como objetivo identificar las palabras clave incluidas en dos o más de los artículos publicados en la revista Pensamiento Americano durante el período 2013-2016 que se encuentran en el tesauro de la UNESCO. Para ell