NON-TOXIC PROTEINS AND OMEGA-3 FROM ALGAE AND METHOD OF MANUFACTURING THEM

MX433965BActive Publication Date: 2026-05-19VAXA TECH LTD
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Patent Information

Authority / Receiving Office
MX · MX
Patent Type
Patents
Current Assignee / Owner
VAXA TECH LTD
Filing Date
2021-11-29
Publication Date
2026-05-19

AI Technical Summary

Technical Problem

Current methods for extracting omega-3 and proteins from algae using toxic solvents result in residual solvent contamination and high ash content, making the products unsuitable for food and feed applications, particularly with microalgae like Nannochloropsis, which has a double-walled cell structure that limits solvent permeability and efficiency.

Method used

A method involving an aqueous suspension of microalgae with at least 65% water, mixed with ethanol, followed by separation and evaporation under controlled conditions to produce a non-toxic omega-3 rich extract and a low-ash protein-rich micelle, utilizing ethanol and water recycling and thermal separation techniques.

Benefits of technology

Produces non-toxic, high omega-3 content extracts and low-ash protein micelles suitable for human consumption and animal feed, avoiding residual solvent issues and maintaining the nutritional integrity of the omega-3 components.

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Abstract

A non-toxic omega-3 rich extract and a non-toxic micelle, as well as a method for producing them, are disclosed. The method may include obtaining an aqueous suspension of microalgae comprising at least 65% water; mixing the aqueous microalgae suspension with ethanol for a predetermined time; separating the aqueous microalgae suspension and ethanol mixture into liquid and micelle; and evaporating the water and ethanol from the liquid to obtain a liquid extract. In some embodiments, the micelle contains organic material and ash in amounts less than 15% by dry weight.
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