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Could marigolds become a new plant-based protein? UGA researchers see promise in edible flowers

Summary by WDEF
Researchers at the University of Georgia recently found that marigold flowers contain protein levels comparable to established plant-based protein sources like quinoa and may offer added benefits for food production, according to a study published in ACS Food Science & Technology and a UGA release. The study examined proteins extracted from Calendula officinalis, a common marigold species often used as an ornamental plant. Researchers found that…

4 Articles

A kale salad with goji berries will not make you surrender more in the gym than a bowl of lentils with vegetables. The superfood myth is still alive, but the science of performance points in another direction: diet as a whole matters more than any label. Just look at the latest controversy: a press release from the University of Georgia asked in June if calendula flowers could be the next superfood. The term was used as bait to draw attention to…

Calendula turns out to be unexpectedly rich in protein, with a nutritional value comparable to quinoa, opening new avenues for nutrition, according to ACS Food Science & Technology.

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WDEF broke the news on Monday, July 6, 2026.
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