期刊
FOOD RESEARCH INTERNATIONAL
卷 151, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.foodres.2021.110821
关键词
Betalains; Plant sources; Biosynthesis; Extraction; Stability; Encapsulation; Biological properties; Applications
资金
- Universidad Autonoma Metropolitana-Iztapalapa
- CONACyT, Ph.D. in Biotechnology Program in the DCBS at Universidad Autonoma Metropolitana-Iztapalapa [CVU: 68991]
Betalains are plant pigments primarily used as food dyes, but they are prone to instability due to environmental factors. Various extraction methods and stabilization techniques have been developed to increase shelf life, as well as diverse biological properties that make betalains suitable for applications in various industries such as food, cosmetics, textiles, and solar cells.
Betalains are plant pigments with functional properties used mainly as food dyes. However, they have been shown to be unstable to different environmental factors. This paper provides a review of (1) Betalain plant sources within several plant families such as Amaranthaceae, Basellaceae, Cactaceae, Portulacaceae, and Nyctaginaceae, (2) The biosynthesis pathway of betalains for both betacyanins and betaxanthins, (3) Betalain extraction process, including non-conventional technologies like microwave-assisted, ultrasound-assisted, and pulsed electrical field extraction, (4) Factors affecting their stability, mainly temperature, water activity, light incidence, as well as oxygen concentration, metals, and the presence of antioxidants, as well as activation energy as a mean to assess stability, and novel food-processing technologies able to prevent betalain degradation, (5) Methods to increase shelf life, mainly encapsulation by spray drying, freeze-drying, double emulsions, ionic gelation, nanoliposomes, hydrogels, co-crystallization, and unexplored methods such as complex coacervation and electrospraying, (6) Biological properties of betalains such as their antioxidant, hepatoprotective, antitumoral, and anti-inflammatory activities, among others, and (7) Applications in foods and other products such as cosmetics, textiles and solar cells, among others. Additionally, study perspectives for further research are provided for each section.
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