01 Oct 2021 --- Microgreens packed with antioxidants compounds are gaining popularity as a functional food, according to new research. A US study reveals how these tiny but mighty plants could unlock nutrition challenges, including being used as an emergency resource in catastrophe situations, or even food for long-term space missions. Microgreens are typically viewed as high-value gourmet greens, commonly used by chefs to add aesthetical value to dishes or culinary preparation.