A Roadmap to Modulated Anthocyanin Compositions in Carrots

Anthocyanins extracted from black carrots have received increased interest as natural colorants in recent years. The reason is mainly their high content of acylated anthocyanins that stabilizes the color and thereby increases the shelf-life of products colored with black carrot anthocyanins. Still,...

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Main Authors: Inger Bæksted Holme, Giuseppe Dionisio, Henrik Brinch-Pedersen
Format: Article
Language:English
Published: MDPI AG 2021-03-01
Series:Plants
Subjects:
Online Access:https://www.mdpi.com/2223-7747/10/3/472
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author Inger Bæksted Holme
Giuseppe Dionisio
Henrik Brinch-Pedersen
author_facet Inger Bæksted Holme
Giuseppe Dionisio
Henrik Brinch-Pedersen
author_sort Inger Bæksted Holme
collection DOAJ
description Anthocyanins extracted from black carrots have received increased interest as natural colorants in recent years. The reason is mainly their high content of acylated anthocyanins that stabilizes the color and thereby increases the shelf-life of products colored with black carrot anthocyanins. Still, the main type of anthocyanins synthesized in all black carrot cultivars is cyanidin limiting their use as colorants due to the narrow color variation. Additionally, in order to be competitive against synthetic colors, a higher percentage of acylated anthocyanins and an increased anthocyanin content in black carrots are needed. However, along with the increased interest in black carrots there has also been an interest in identifying the structural and regulatory genes associated with anthocyanin biosynthesis in black carrots. Thus, huge progress in the identification of genes involved in anthocyanin biosynthesis has recently been achieved. Given this information it is now possible to attempt to modulate anthocyanin compositions in black carrots through genetic modifications. In this review we look into genetic modification opportunities for generating taproots of black carrots with extended color palettes, with a higher percentage of acylated anthocyanins or a higher total content of anthocyanins.
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spelling doaj.art-8f9a2cf2c80446c8937e02cf932fb2032023-12-03T12:13:57ZengMDPI AGPlants2223-77472021-03-0110347210.3390/plants10030472A Roadmap to Modulated Anthocyanin Compositions in CarrotsInger Bæksted Holme0Giuseppe Dionisio1Henrik Brinch-Pedersen2Department of Agroecology, Aarhus University Flakkebjerg, Forsøgsvej 1, 4200 Slagelse, DenmarkDepartment of Agroecology, Aarhus University Flakkebjerg, Forsøgsvej 1, 4200 Slagelse, DenmarkDepartment of Agroecology, Aarhus University Flakkebjerg, Forsøgsvej 1, 4200 Slagelse, DenmarkAnthocyanins extracted from black carrots have received increased interest as natural colorants in recent years. The reason is mainly their high content of acylated anthocyanins that stabilizes the color and thereby increases the shelf-life of products colored with black carrot anthocyanins. Still, the main type of anthocyanins synthesized in all black carrot cultivars is cyanidin limiting their use as colorants due to the narrow color variation. Additionally, in order to be competitive against synthetic colors, a higher percentage of acylated anthocyanins and an increased anthocyanin content in black carrots are needed. However, along with the increased interest in black carrots there has also been an interest in identifying the structural and regulatory genes associated with anthocyanin biosynthesis in black carrots. Thus, huge progress in the identification of genes involved in anthocyanin biosynthesis has recently been achieved. Given this information it is now possible to attempt to modulate anthocyanin compositions in black carrots through genetic modifications. In this review we look into genetic modification opportunities for generating taproots of black carrots with extended color palettes, with a higher percentage of acylated anthocyanins or a higher total content of anthocyanins.https://www.mdpi.com/2223-7747/10/3/472black carrotanthocyaninnatural colorantsgenetic modificationsCRISPR/Castransgenesis
spellingShingle Inger Bæksted Holme
Giuseppe Dionisio
Henrik Brinch-Pedersen
A Roadmap to Modulated Anthocyanin Compositions in Carrots
Plants
black carrot
anthocyanin
natural colorants
genetic modifications
CRISPR/Cas
transgenesis
title A Roadmap to Modulated Anthocyanin Compositions in Carrots
title_full A Roadmap to Modulated Anthocyanin Compositions in Carrots
title_fullStr A Roadmap to Modulated Anthocyanin Compositions in Carrots
title_full_unstemmed A Roadmap to Modulated Anthocyanin Compositions in Carrots
title_short A Roadmap to Modulated Anthocyanin Compositions in Carrots
title_sort roadmap to modulated anthocyanin compositions in carrots
topic black carrot
anthocyanin
natural colorants
genetic modifications
CRISPR/Cas
transgenesis
url https://www.mdpi.com/2223-7747/10/3/472
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