Mild processing of protein-containing, plant-based side streams for feed applications

Mild processing of protein-containing, plant-based side streams for feed applications

Aantal projecten

1

Organisatie onderdeel

TKI AF

Project code

LWV19052

Primaire MMIP

Landbouw, Water, Voedsel>A. Kringlooplandbouw>A4. Eiwitvoorziening voor humane consumptie uit (nieuwe) plantaardige bronnen

Start datum

01/01/20

Eind datum

31/12/22

Samenvatting

The growth of the world population and a rising standard of living has led industry and academics to explore new and alternative sources of protein. These include the valorization of protein-containing side streams. In order to better valorize these streams, both digestibility and solubility of protein in side streams need to be improved. Together with industrial partners active in side stream utilization and the feed / pet food industry, the knowledge institutes aim to improve the digestibility and solubility of protein in protein-containing, plant-based side streams. To achieve this, the research team need to overcome intrinsic shortcomings of proteins in plant-based side streams: low solubility, entrapment in cell organelles and cell wall matrices, an/or low protein/nutritional density. Eventually, the developed strategies should allow partners to produce and/or use the side streams with improved digestibility in feed, leading to a lower carbon footprint, lower costs and similar nutritional quality compared to traditional animal derived protein ingredients for animal diets.

Doel van het project

This project will contribute to the development of circular agriculture (mission A), which is one of the six missions of Agriculture, Water and Food of the mission-driven Topsector and Innovation Policy in the Netherlands: “in 2030 the use of resources, commodities and excipients in agriculture and horticulture will significantly be reduced and all products and side streams will be valorised to the highest value” (Kennis- en Innovatieagenda Landbouw, Water, Voedsel voor 2020-2023) as well as to the strategy of the ministry of Agriculture, Nature and Food Safety (beleidsnota 2018 “Landbouw, natuur en voedsel: waardevol en verbonden. Nederland als koploper in de kringlooplandbouw”. The mild processing of the plant protein containing side streams contributes to the value of these ingredient streams. Although the highest value is an application in food, a wide range of side streams are available that are currently not applicable for food, but can be applied in feed once their digestibility is significantly improved. Developing food application for these side streams is the next step in the cascade. By improving digestibility and solubility, the project contributes to increasing the feed-to-animal protein conversion factor. Combined, these two steps aim to increase the N-efficiency in the food supply chain and to contribute to the development of a more circular agriculture and economy. Additionally, it also contributes to the priority of MMIP A3 to develop biorefinery concepts and technologies to maximize the use of protein containing organic side streams in food, feed and non-food applications and to MMIP A4 on plant-based protein resources.

The main contribution to society is the increase in N-efficiency of the food production chain and, thereby a reduction in the use of natural resources and fossil fuel. This will deliver a contribution to the sustainability goals to have a fully circular agriculture without any unused side and waste streams in 2050. The use of proteins from side streams will reduce the amount of soy that is currently imported for feed applications as well as the use of dairy proteins in feed applications.

Relatie met missie (Motivatie)

The project contributes to the priority of MMIP A3 and MMIP A4. By improving digestibility and solubility, the project contributes to increasing the feed-to-animal protein conversion factor. Combined, these two steps aim to increase the N-efficiency in the food supply chain and to contribute to the development of a more circular agriculture and economy.

Geplande acties

This project aims to deliver technologies within the time frame of the project (2020 – 2022) that will enable the industrial partners to process plant-based side streams to produce highly digestible and soluble feed products and ingredients. The project will deliver these technologies as a proof of concept on lab-scale (TRL 4-6). The technologies need further upscaling to pilot scale and further to industrial scale. The industrial partners aim at implementing this upscaling in their processing facilities. In parallel, the digestibility of the products and ingredients produced with the technologies will be validated using animal trials executed within the project.

The planning is to finish making an inventory (WP1) in 2020. Selected side streams will be processed in 2021 (WP2), and any required separation technologies (WP3) will be mostly applied in 2021, finishing in Q1 2022. In vitro digestibility analyses (WP4) will be performed during the processing and separation work. Finally, in vivo digestibility studies will be performed in Q2/Q3 of 2022.

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