Betanin-A food colorant with biological activity.

Esatbeyoglu, Tuba, Wagner, Anika E., Schini-Kerth, Valerie B. and Rimbach, Gerald (2015) Betanin-A food colorant with biological activity. Molecular Nutrition & Food Research, 59 (1). pp. 36-47. DOI 10.1002/mnfr.201400484.

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Supplementary data:

Abstract

Betalains are water-soluble nitrogen-containing pigments that are subdivided in red-violet betacyanins and yellow-orange betaxanthins. Due to glycosylation and acylation betalains exhibit a huge structural diversity. Betanin (betanidin-5-O--glucoside) is the most common betacyanin in the plant kingdom. According to the regulation on food additives betanin is permitted quantum satis as a natural red food colorant (E162). Moreover, betanin is used as colorant in cosmetics and pharmaceuticals. Recently, potential health benefits of betalains and betalain-rich foods (e.g. red beet, Opuntia sp.) have been discussed. Betanin is a scavenger of reactive oxygen species and exhibits gene-regulatory activity partly via nuclear factor (erythroid-derived 2)-like 2-(Nrf2) dependent signaling pathways. Betanin may induce phase II enzymes and antioxidant defense mechanisms. Furthermore, betanin possibly prevents LDL oxidation and DNA damage. Potential blood pressure lowering effects of red beet seem to be mainly mediated by dietary nitrate rather than by betanin per se.

Document Type: Article
Additional Information: Times Cited: 7 Si
Keywords: Antioxidant Betanin Food colorant Gene regulatory activity Health benefits
Research affiliation: Kiel University
Kiel University > Kiel Marine Science
OceanRep > The Future Ocean - Cluster of Excellence
Refereed: Yes
Open Access Journal?: No
DOI etc.: 10.1002/mnfr.201400484
ISSN: 1613-4125
Projects: Future Ocean
Date Deposited: 20 Oct 2016 10:53
Last Modified: 23 Sep 2019 21:45
URI: http://oceanrep.geomar.de/id/eprint/32466

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