Nutritional yeast

Saccharomyces cerevisiae

fermented

Brewer's or baker's yeast, grown and then deactivated, sold as yellow flakes to sprinkle over food. It provides protein, beta-glucans and vitamins B2, B3 and B5.

Origin

Grown on molasses, then deactivated

Season (United States)

all year round · grows in your region

Preparation

The flakes are sprinkled as they are over pasta, vegetables, soup or popcorn, like parmesan, or melted into a sauce; they need no cooking. High in purines: to rotate rather than stack, if the ground is sensitive.

Molecules

Mushroom beta-glucans · Protein · Vitamin B2 (riboflavin) · Vitamin B3 (niacin) · Vitamin B5 (pantothenic acid) · Vitamin B8 (biotin) · PhosphorusWhat slows things down Purines

Did you know?

The species was isolated in the mid-19th century by Dutch brewers, at the request of Parisian bakers who were industrialising their bread.