Artículo
Copigmentation Potential of Overripe Seeds from Sun-dried White Grapes on Anthocyanins Colour and Stability by Differential Colorimetry
Autor/es | Rivero, Francisco J.
González-Miret Martín, María Lourdes Jara Palacios, Mª José García Estévez, Ignacio Escribano Bailón, María Teresa Heredia Mira, Francisco José Gordillo Arrobas, Belén |
Departamento | Universidad de Sevilla. Departamento de Nutrición y Bromatología, Toxicología y Medicina Legal |
Fecha de publicación | 2020 |
Fecha de depósito | 2024-03-08 |
Publicado en |
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Resumen | Overripe seeds are wine by-products from grapes submitted to postharvest sun drying, which induce phenolic biosynthesis and polymerisation. Overripe seeds from Pedro Ximénez (PX) and Moscatel (MO) sun-dried grapes were ... Overripe seeds are wine by-products from grapes submitted to postharvest sun drying, which induce phenolic biosynthesis and polymerisation. Overripe seeds from Pedro Ximénez (PX) and Moscatel (MO) sun-dried grapes were compared as copigments sources to modulate grape anthocyanin (GA) colour and stability in simulated wine conditions. RRLC/MS analysis proved that overripe seeds contain specific phenolic mixtures capable of inducing positive quantitative and qualitative colour changes in GAs, evidenced by differential colorimetry. Copigmentation effects significantly varied depending on the overripe seed variety, related to their qualitative phenolic composition and content. MO extracts richer in gallic acid, catechin and procyanidin B1 led to the stronger colour intensification and perceptible qualitative changes. PX extracts richer in epicatechin, procyanidins B2, B2-GAL and B7 behaved as weak copigments. Overripe seed copigments preserved better GAs colour stability during storage leading to the formation of new anthocyanin-derived pigments, being the stabilising effect stronger with those of MO variety. |
Agencias financiadoras | Ministerio de Economía y Competitividad (MINECO). España |
Identificador del proyecto | AGL2014-58486-C2
AGL2017-84793-C2 |
Cita | Rivero, F.J., González-Miret Martín, M.L., Jara Palacios, M.J., García Estévez, I., Escribano Bailón, M.T., Heredia Mira, F.J. y Gordillo Arrobas, B. (2020). Copigmentation Potential of Overripe Seeds from Sun-dried White Grapes on Anthocyanins Colour and Stability by Differential Colorimetry. International Journal of Food Science and Technology, 55 (1), 389-396. https://doi.org/10.1111/ijfs.14280. |
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