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UMass Amherst food scientist rises to the challenge of giving marbled fatty feel and taste to plant-based meat

Researcher awarded grant from Good Food Institute to bridge the gap between plant protein and lipids

UMass Amherst food scientist rises to the challenge of giving marbled fatty feel and taste to plant-based meat
2024-07-12
(Press-News.org)

One of the challenges of creating realistic-looking and delectable plant-based meat is mimicking the marbled effect of animal fat that many carnivores expect and enjoy.

A University of Massachusetts Amherst food scientist has a plan to tackle this quandary by developing new technology supported by a $250,000 grant from the Good Food Institute. The not-for-profit think tank promotes plant-based alternatives to meat, dairy and eggs, as well as cultivated “clean meat” grown from animal cells in a facility.

The technology proposed by Lutz Grossmann, an assistant professor, “has the potential to revolutionize the plant-based meat industry, expanding its product offerings and appealing to a wider audience,” the institute stated in announcing the grant, one of 118 awarded in 21 countries, totaling more than $21 million, since 2019.

“The Good Food Institute has played a key role in supporting research for more sustainable food options, and UMass Food Science has been fortunate to receive funding,” Grossmann says. In 2020, a team of UMass Amherst food scientists, led by Distinguished Professor David Julian McClements, received a grant from the institute to develop a new approach for creating tasty, plant-based, protein-rich food that’s similar in texture to whole chicken, pork or beef. 

Grossmann, whose research focuses on designing holistic approaches to increase the consumption of plant- and microbial protein-rich foods, aims to incorporate lipids into high-moisture extrusion processes, a technique used to replicate the juiciness, appearance and texture of whole-muscle animal meat. 

 

“While high-moisture extrusion has become a primary method for creating meat-like textures from plant proteins, it currently lacks the ability to generate lipid marbling, a key characteristic for replicating the appearance, flavor and texture of traditional meat products,” Grossmann explains. “The challenges of incorporating lipids into high-moisture extrusion processes are mainly related to the lubricating effect of plant lipids that disrupt the protein melt within the extruder barrel.”

In addition, injecting lipids during the cooling part of the process – when the meat-like structure is finalized – results in uneven distribution, leading to suboptimal texture, he adds.

To overcome these challenges and bridge the gap between plant proteins and lipids, Grossmann is developing and will implement a novel extrusion segment that will facilitate the creation of the marbled appearance and texture of plant-based whole-cut meat products. 

“The setup basically works like a piping bag that allows for making a two-colored swirl,” Grossmann says.

 

END


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UMass Amherst food scientist rises to the challenge of giving marbled fatty feel and taste to plant-based meat

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[Press-News.org] UMass Amherst food scientist rises to the challenge of giving marbled fatty feel and taste to plant-based meat
Researcher awarded grant from Good Food Institute to bridge the gap between plant protein and lipids