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Plant-based meats are less nutritious than the real thing, study reveals

Plant-based meats don’t pack the same protein punch, making them less nutritious than the real thing. A team from The Ohio State University says their experiments reveal human cells take in fewer proteins from meat alternatives because they are harder to absorb.

The discovery could lead to the development of healthier products, ranging from faux fish sticks to chicken “cheats.”

“The ever-growing population on earth has increased the challenge of providing sufficient proteins from meat without compromising the ecosystem,” says corresponding author Professor Osvaldo Campanella, according to a statement from SWNS.

“Additionally, concerns about food security and the awareness of a healthy diet have shifted the focus from traditional meat products toward plant protein-based meat analogs (MAs),” the researcher continues.

“The latter contain abundant proteins and negligible saturated fat and cholesterol, contributing to a reduced occurrence of obesity and cardiovascular diseases. Nevertheless, proteins from plants commonly display inferior digestibility compared to their animal counterparts. This adds uncertainty to the nutritional value of proteins in MAs unless the gap between digestion and absorption is bridged.”

What are meat alternatives made of?

Plants high in protein, such as soybeans, are common ingredients in alternative meat products. However, it’s been unclear how much protein actually makes it into human cells. The team created a model alternative meat made of soy and wheat gluten with a manufacturing machine called an extruder.

To mimic look and texture, plants are dehydrated into a powder and mixed with seasonings. Then, the mixtures are heated, moistened, and processed. “Beyond” meat advocates often consider these products better for human health than animal flesh because the ingredients are high in protein and low in undesirable fats.

Unfortunately, those proteins don’t break down into absorbable peptides as well. Dr. Campanella and colleagues went a step further, by comparing their meat with a piece of real chicken. When cut open, the former had long fibrous pieces inside – just like chicken meat. Researchers ground up pieces of each and broke them down with an enzyme the human body uses to digest food. Scans revealed proteins in the meat substitute were less water-soluble than those from chicken.

“It showed a higher hardness but a lower degree of texturization than the chicken breast,” Campanella says, according to SWNS.

Real meat is still the top protein source

After simulating digestion by human intestinal cells, soluble peptides in the meat alternative had a higher molecular weight and repelled water, meaning they were less absorbable. Meat provides all of the essential amino acids our body needs. Animal products are the highest-quality source of proteins.

“The amino acid composition showed fewer essential and non-essential amino acids in the meat alternative than the chicken breast,” Prof. Campanella adds.

The researchers now plan to identify other ingredients that could help boost the peptide uptake of meat substitutes.

“Improvement of the nutritional value of proteins could be fulfilled through formulation or production conditions,” the researchers conclude. “Future research centered on the comparison of protein bioavailability of meat alternatives and meat using laboratory experiments will be helpful to gather complementary information on the nutritional relevance. How this changes with the addition of plant oil and flavor compounds will also be worth exploring in future studies.”

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4 COMMENTS

  1. This word “protein” is misunderstood. What they should be discussing is the amino acids that plant-based foods contain. There are 21 amino acids. Think of them as the Lego blocks that your body uses to build all proteins. Ref: https://www.medicinenet.com/what_are_the_21_amino_acids/article.htm

    The fun part is that out of these 21 amino acids, 9 are called “essential amino acids” because your body cannot synthesize them but must obtain them from the things that you eat.

    Plant-based food may be chock-full of protein (i.e., brimming with amino acids), but if it is deficient in the 9 essential amino acids, then you will be in trouble.

    Don’t think of “protein”; think of amino acids.

    9

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    • It doesn’t matter the cost under this liarbour government Rachael, they don’t care about costs as it is other peoples money so it doesn’t matter. Like the trips they are all taking at the moment over to Europe and. various places on this planet. How lovely $40,000 per person to try and convince famers there will be no more cows in New Zealand. That is why in reality they started the tracking of each animal a few years ago, not for health etc, it is just so they will know the numbers so they can stop any production of dairy products. Bastards.

      4

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