Neurotransmitters and related messenger molecules abound in the brain with numbers ranging between 50 and 100 depending on who is doing the counting. Their chemical structures vary from peptides and ...

Inside an office at Impossible Foods’ Silicon Valley R&D center, a researcher holds up what looks like a bowl of blood and a spoon. “This is heme,” she says. It was made with a protein found in the ...

It took an unlikely food innovation -- earth-friendly vegetarian patties, made to taste and "bleed" like the familiar meaty ones -- to make people aware of heme. But heme is an essential part of ...

The Impossible Burger contains soy protein, heme, coconut oil, sunflower oil, and other ingredients to mimic the flavor of beef. The Impossible Burger is a plant-based alternative to traditional ...

A thin, blood-red liquid spilled out of the tasting spoon and into my mouth. It tasted of metal and, unsurprisingly, of blood. I felt like I had been sucker punched, or had an unpleasant encounter ...

Umami boosters be damned — there’s no replacing the metallic richness of a medium-rare steak. Which is reason for concern, because our meat-eating days are numbered. Cows take up too much land, eat ...

The Center for Food Safety is challenging the FDA’s approval of a color additive used to make Impossible Foods’ plant-based burger appear to “bleed” like real meat. The advocacy group claims that the ...

In some ways a cell in your body or an organelle in that cell is like an ancient walled town. Life inside either depends critically on the intelligence of the gatekeepers. If too many barbarians sneak ...

A mutation that impacts an enzyme involved in heme biosynthesis causes porphyrias, which are inheritable metabolic disorders. There are different types of porphyrias based on the specific enzyme ...