The Stability of Anthocyanins and Their Derivatives through Clay Minerals: Revising the Current Literature

In recent years, anthocyanins, natural dyes, have promoted great scientific and technological interest. Their intrinsic antioxidant properties and health benefits make them ideal representatives of natural dyes as replacements for synthetic dyes. However, their instability can limit their use. A pro...

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Published in:Minerals (Basel) 2023-02, Vol.13 (2), p.268
Main Authors: Cunha, Robson, Trigueiro, Pollyana, Orta Cuevas, María del Mar, Medina-Carrasco, Santiago, Duarte, Thiago M., Honório, Luzia M. de C., Damacena, Dihêgo H. L., Fonseca, Maria Gardennia, da Silva-Filho, Edson C., Osajima, Josy A.
Format: Article
Language:English
Subjects:
Adsorption
Anthocyanin
Anthocyanins
Antioxidant properties
Biocompatibility
Clay
Clay minerals
Color
Colour
Dietary minerals
Dyes
Exchange capacity
Flavonoids
Flowers & plants
Fruits
Hybrids
Ion exchange
Minerals
Photodegradation
Polyphenols
Stability
Surface chemistry
Thermal resistance
Toxicity
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Summary:In recent years, anthocyanins, natural dyes, have promoted great scientific and technological interest. Their intrinsic antioxidant properties and health benefits make them ideal representatives of natural dyes as replacements for synthetic dyes. However, their instability can limit their use. A promising strategy to increase the color stability of anthocyanins is their interaction with clay minerals structures. Clay minerals have characteristics favorable to the stabilization of natural dyes, such as adsorption capacity, good surface chemistry, ion exchange capacity, abundance, non-toxicity, and environmental compatibility. This review summarizes relevant works that present different clays or clay minerals as robust inorganic matrices for incorporation, improved stability, and increased resistance against the thermal- and photodegradation of anthocyanins. In addition, several authors propose different applications for the formed anthocyanin-based hybrids.
ISSN:2075-163X
2075-163X
DOI:10.3390/min13020268