Original Article
Natural Pigments: Stabilization Methods of Anthocyanins for Food Applications
Regina Cortez,
Diego A. Luna-Vital,
Daniel Margulis,
Elvira Gonzalez de Mejia,
Regina Cortez
Dept. of Food Science and Human Nutrition, Univ. of Illinois at Urbana-Champaign, 228 ERML, 1201 W Gregory Drive, Urbana, IL, 61801 U.S.A
Search for more papers by this authorDiego A. Luna-Vital
Dept. of Food Science and Human Nutrition, Univ. of Illinois at Urbana-Champaign, 228 ERML, 1201 W Gregory Drive, Urbana, IL, 61801 U.S.A
Search for more papers by this authorDaniel Margulis
Dept. of Food Science and Human Nutrition, Univ. of Illinois at Urbana-Champaign, 228 ERML, 1201 W Gregory Drive, Urbana, IL, 61801 U.S.A
Search for more papers by this authorCorresponding Author
Elvira Gonzalez de Mejia
Dept. of Food Science and Human Nutrition, Univ. of Illinois at Urbana-Champaign, 228 ERML, 1201 W Gregory Drive, Urbana, IL, 61801 U.S.A
Direct inquiries to author de Mejia(E-mail address: [email protected]).Search for more papers by this author
Regina Cortez,
Diego A. Luna-Vital,
Daniel Margulis,
Elvira Gonzalez de Mejia,
Regina Cortez
Dept. of Food Science and Human Nutrition, Univ. of Illinois at Urbana-Champaign, 228 ERML, 1201 W Gregory Drive, Urbana, IL, 61801 U.S.A
Search for more papers by this authorDiego A. Luna-Vital
Dept. of Food Science and Human Nutrition, Univ. of Illinois at Urbana-Champaign, 228 ERML, 1201 W Gregory Drive, Urbana, IL, 61801 U.S.A
Search for more papers by this authorDaniel Margulis
Dept. of Food Science and Human Nutrition, Univ. of Illinois at Urbana-Champaign, 228 ERML, 1201 W Gregory Drive, Urbana, IL, 61801 U.S.A
Search for more papers by this authorCorresponding Author
Elvira Gonzalez de Mejia
Dept. of Food Science and Human Nutrition, Univ. of Illinois at Urbana-Champaign, 228 ERML, 1201 W Gregory Drive, Urbana, IL, 61801 U.S.A
Direct inquiries to author de Mejia(E-mail address: [email protected]).Search for more papers by this authorAbstract
The production of natural food pigments continues to grow worldwide. The global market is expected to grow at a compound annual growth rate of 6.22%, by revenue, over the period 2015 to 2019. Pigments such as anthocyanins, carotenoids, betalains, and chlorophylls have been used to color foods. However, there are challenges related to color losses during food processing, storage, and commercialization due to a low stability of natural pigments compared to synthetic colorants. This review summarizes the most recent studies and patents aimed at enhancing anthocyanin stability in food systems. The stabilizing methods include additions of copigment compounds, such as polymers, phenolic compounds, and metals. In addition, the exclusion of O2 during processing and storage, hard-panned candy coating methods for blue, green, and brown colors, and various encapsulation techniques were considered. Combining strategies and evaluating new materials capable of stabilizing anthocyanins will enhance their potential for use as value-added natural food pigments.
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