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Food scientists aim to make plant-based protein tastier and healthier

plant based proteins, vegan, vegetarian, tofu, nuts, seads, avocado, chickpeas, beans,
A selection of different plant based protiens including, seads, tofu, beans and chickpeas.

As meat-eating continues to increase around the world, food scientists are focusing on ways to create healthier, better-tasting, and more sustainable plant-based protein products that mimic meat, fish, milk, cheese, and eggs.

It's no simple task, says food scientist David Julian McClements, University of Massachusetts Amherst Distinguished Professor and lead author of a paper in the new Nature journal, Science of Food, that explores the topic.

"With Beyond Meat and Impossible Foods and other products coming on the market, there's a huge interest in plant-based foods for improved sustainability, health, and ethical reasons," says McClements, a leading expert in food design and nanotechnology, and author of Future Foods: How Modern Science Is Transforming the Way We Eat.

In 2019, the plant-based food market in the U.S. alone was valued at nearly $5 billion, with 40.5% of sales in the milk category and 18.9% in plant-based meat products, the paper notes. That represented a market value growth of 29% from 2017.

"A lot of academics are starting to work in this area and are not familiar with the complexity of animal products and the physicochemical principles you need in order to assemble plant-based ingredients into these products, each with their own physical, functional, nutritional, and sensory attributes," McClements says.

Plant-based products need to be fortified with micronutrients that are naturally present in animal meat, milk, and eggs, including vitamin D, calcium, and zinc. They also have to be digestible and provide the full complement of essential amino acids.

McClements says that many of the current generations of highly processed, plant-based meat products are unhealthy because they're full of saturated fat, salt, and sugar. But he adds that ultra-processed food does not have to be unhealthy.

plant based protein burger with saturated fats.
Are vegan and vegetarian food all what they seem.

"We're trying to make processed food healthier," McClements says. "We aim to design them to have all the vitamins and minerals you need and have health-promoting components like dietary fiber and phytochemicals so that they taste good and they're convenient and they're cheap and you can easily incorporate them into your life. That's the goal in the future, but we're not there yet for most products."

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