What key ingredient did Impossible Foods discover and patent that allows their plant-based burgers to 'bleed' like real meat?

Plant-based meat alternatives have transformed the food landscape in recent years. One of the leading innovators in this space, Impossible Foods, has made significant strides in product development to create meat alternatives that closely mimic the taste, texture, and experience of animal products. This poll tests your knowledge about a key innovation that helped Impossible Foods achieve its breakthrough success in the plant-based meat market.

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Heme (leghemoglobin), a plant-derived molecule that mimics hemoglobin
Beet extract mixed with genetically modified yeast
Mycoprotein derived from fungal fermentation
Algae-based protein infused with iron oxide