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The popularity of plant-based proteins, or “fake meat,” has increased in recent years as consumers look to eat fewer animal products. In fact, plant-based protein is projected to be a A$3 billion opportunity for Australia by 2030.
Many consumers believe these fake meats are better for their health, as well as better for the environment, but is that right?
What is fake meat?
It may sound obvious, but the first thing to say is that fake meat is not meat. Referring to these products as meat has been widely criticized by the meat industry, resulting in a recent Senate Committee report recommending mandatory regulation for the labeling of plant-based products.
Fake meats fall into two categories: plant-based proteins and cell-based proteins.
The plant-based burgers and sausages found on supermarket shelves are made by extracting the protein from plant foods, often pea, soy, wheat protein, and mushrooms.
But a myriad of additives are needed to make these products look and taste like traditional meat.
For example, chemically refined coconut oil and palm oil are often added to plant-based burgers to help mimic meat’s soft and juicy texture. Coloring agents, such as beetroot extracts, have been used in Beyond Meat’s “raw” burger to mimic the color change that occurs when meat is cooked. And the additive soy leghemoglobin, produced by genetically engineered yeast, has been used to create the Impossible Foods “bleeding” burger.
Something not yet available on supermarket shelves in Australia is cell-based or “cultured” meat. This fake meat is made from an animal cell that is then grown in a lab culture to create a piece of meat. While it may sound like a far-off concept, Australia already has two cell-based meat producers.
Is fake meat healthier?
In good news, an audit of over 130 products available in Australian supermarkets found plant-based products were, on average, lower in calories and saturated fat, and higher in carbohydrates and fiber than meat products.
But, not all plant-based products are created equal.
In fact, there are considerable differences in the nutrition content between products. For example, the saturated fat content of plant-based burgers in this audit ranged from 0.2 to 8.5 grams per 100 grams, meaning some plant-based products actually contained more saturated fat than a beef patty.
Salt levels in plant-based products are high, but vary between products. Plant-based mince can contain up to six times more sodium than meat equivalent products, whereas plant-based sausages contain two thirds less sodium on average.
The question then is, does swapping animal-based foods for plant-based foods improve health?
An eight week trial of 36 U.S. adults investigated this, and researchers found switching to eating more plant-based products (while keeping all other foods and drinks as similar as possible) improved risk factors for heart disease, including cholesterol levels and body weight. However, research in this area is still in its infancy, and longer term trials are needed.
The bottom line is most fake meats are classified as ultra-processed foods.
They have undergone extensive industrial processing and include substances of “no or rare culinary use,” which means you would not find them in your average kitchen cupboard.
There is an opportunity for government and the food industry to ensure these highly processed plant-based products are re-formulated to contain less saturated fat and sodium, and to minimize the use of chemically derived additives.
Is fake meat better for the environment?
Yes, it can be.
The U.S. Beyond Meat burger claims to use 99% less water, 93% less land and produce 90% fewer greenhouse gas emissions than a traditional beef patty.
Yet, the environmental footprint of plant-based products is a contentious topic, especially since ultra-processed foods have been widely criticized as being environmentally unsustainable.
A study published this month in The Lancet Planetary Health looked at the ethical and economic implications of eating more plant-based products. Researchers concluded switching from beef to plant-based products would reduce the carbon footprint of U.S. food production by 2.5–13.5%, by reducing the number of animals needed for beef production by 2–12 million.
However, researchers noted any benefits to the agricultural workforce and natural resources were less clear.
So, should we be eating fake meat?
Fake meats can be enjoyed as part of a healthy diet as a “sometimes food.”
When choosing plant-based products, check the label to choose lower salt and higher fiber options.
If you are looking for an alternative to meat that is both healthy for you and the environment, then whole plant foods are by far the best option for a plant-based or flexitarian diet.
Fresh or canned legumes, beans and chickpeas can be used to make your own meat-free burgers, and herbs and spices can add flavor to tofu.
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