Red aqueous extract of tetraselmis and uses thereof

EP4746848A1Pending Publication Date: 2026-05-27INSTITUT FR DE RES & DEV POUR LEXPL DE LA MER IFREMER +1
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Patent Information

Authority / Receiving Office
EP · EP
Patent Type
Applications
Current Assignee / Owner
INSTITUT FR DE RES & DEV POUR LEXPL DE LA MER IFREMER
Filing Date
2024-07-18
Publication Date
2026-05-27

AI Technical Summary

Technical Problem

There is a need for natural, non-toxic, and stable red dyes for the food and cosmetics industries, as synthetic dyes can cause health issues and environmental concerns, and existing natural red dyes from plants and microalgae are limited.

Method used

A red aqueous extract is obtained from the green alga Tetraselmis rubens, characterized by a macromolecule with a molecular weight greater than 1000 kDa and two chromophores less than 5 kDa, which is stable and suitable for use as a dye, obtained through microwave extraction at low temperatures to preserve the molecules.

Benefits of technology

The extract provides a stable, non-toxic, and environmentally friendly red dye with anti-UV and antioxidant properties, suitable for use in food and cosmetics, and can be integrated into various compositions as a coloring agent or anti-UV additive.

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Patent Text Reader

Abstract

The present invention relates to a red aqueous extract obtained from a green alga belonging to the genus Tetraselmis , a composition comprising same, and the uses thereof, in particular as a dye.
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