Can tiny algae feed the world without hurting the planet?
Advancements and challenges in microalgal protein production: A sustainable alternative to conventional protein sources
Not medical advice. For informational purposes only. Always consult a healthcare professional. Terms
Scientists are looking at tiny green algae as a superfood for people and animals because they grow fast, don’t need good soil, and use way less water than meat or soy. But right now, they’re too expensive to make at large scale.
Surprising Findings
Ultrasound treatment increased protein digestibility from 47% to 57% in rats.
Most people assume processed proteins lose quality, but here, technology actually made algae easier to digest.
Practical Takeaways
Consider trying Spirulina supplements as a sustainable protein boost.
Not medical advice. For informational purposes only. Always consult a healthcare professional. Terms
Scientists are looking at tiny green algae as a superfood for people and animals because they grow fast, don’t need good soil, and use way less water than meat or soy. But right now, they’re too expensive to make at large scale.
Surprising Findings
Ultrasound treatment increased protein digestibility from 47% to 57% in rats.
Most people assume processed proteins lose quality, but here, technology actually made algae easier to digest.
Practical Takeaways
Consider trying Spirulina supplements as a sustainable protein boost.
Publication
Journal
Microbial Cell Factories
Year
2025
Authors
Sameh S. Ali, Rania Al-Tohamy, Majid Al-Zahrani, Michael Schagerl, M. Kornaros, Jianzhong Sun
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Claims (4)
Growing protein from tiny algae uses way less land and water than raising cows — like 95% less land and way less water — so it could be a smarter way to make food without hurting the planet.
Algae-based protein is way more expensive than soy protein—like 5 to 10 times more—so even though it's better for the planet, it's too costly to make on a big scale right now.
Microalgae like Spirulina and Chlorella are packed with protein—sometimes even more than soy or beef—making them a super food option for people and animals.
Using quick bursts of electricity can help pull proteins out of tiny algae more efficiently, keeps them in better shape, and uses less energy than smashing the cells with beads.