New Pyranoanthocyanins Synthesized from Roselle (Hibiscus sabdariffa L.) Anthocyanins

被引:0
|
作者
del Pilar Guzman-Figueroa, Maria [1 ]
Eugenia Ortega-Regules, Ana [2 ]
Belen Bautista-Ortin, Ana [3 ]
Gomez-Plaza, Encarna [3 ]
Anaya-Berrios, Cecilia [4 ]
机构
[1] Univ Americas Puebla, Dept Ingn Quim Alimentos & Ambiental, Cholula 72810, Mexico
[2] Univ Americas Puebla, Dept Ciencias Salud, Cholula 72810, Mexico
[3] Univ Murcia, Dept Tecnol Alimentos Nutr & Bromatol, Campus Univ Espinardo S-N, E-30100 Murcia, Spain
[4] Univ Americas Puebla, Dept Ciencias Quim Biol, Cholula 72810, Mexico
关键词
pyranoanthocyanins; roselle; 4-vinylphenol; acetone; pinotins; methylpyranoanthocyanins; RED WINES; COLOR PROPERTIES; PIGMENT COMPOSITION; DEGRADATION; ACID; IDENTIFICATION; PEROXIDASE; EVOLUTION; EXTRACT; JUICE;
D O I
暂无
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Six new pyranoanthocyanins were synthesized through the reaction between dephinidin-3-sambubioside and cyanidin-3-sambubioside, extracted from roselle calyxes, with 4-vinylphenol, acetone and 2-butanone. The reaction products were characterized by liquid chromatography coupled to mass spectrometry (HPLC-TOF-MS), ultraviolet-visible spectroscopy (UV/Vis) and high-performance liquid chromatography. Those new pigments belong to the families of pinotins and methylpyranoanthocyanins and show a hypsochromic shift, which results in a more orange colour compared to the red hue of the original anthocyanins. Therefore, these compounds could be used to obtain new colorants more stable against certain factors such as pH.
引用
收藏
页码:13 / 18
页数:6
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