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Also known as: yeast food
Per 100g
Nutrition data source: USDA FoodData Central
Common measurement equivalents in grams
Yeast nutrient is generally safe and used in very small quantities as a processing aid. While it contains some protein and minerals, its primary purpose is to support yeast health during fermentation rather than providing direct nutritional benefits to humans.
Per 100g, yeast nutrient contains approximately 45 calories, 8g of protein, 3g of carbohydrates, and 0.1g of fat. However, because typical usage is only a few grams per batch, its caloric contribution to the final food or beverage is negligible.
Most yeast nutrients are vegan as they are typically composed of inorganic salts like diammonium phosphate, vitamins, and sometimes inactivated yeast. Always check the label of specific brands to ensure no animal-derived processing aids were used.
Yes, pure yeast nutrient is naturally gluten-free. It is primarily made of nitrogen sources, minerals, and vitamins that do not contain wheat, barley, or rye derivatives.
In brewing, add it to the wort or must before or during fermentation to provide nitrogen. In baking, mix a small amount—usually about 0.5% of the flour weight—with dry ingredients to improve dough rise and crumb texture.
You can substitute commercial nutrient by adding a small amount of boiled bread yeast, which provides organic nitrogen. A pinch of Epsom salt and a crushed multivitamin can also work in a pinch for brewing, though commercial blends are more reliable.
In its concentrated powder form, it has a salty, slightly metallic, or chemical taste. However, when used in the correct proportions, it is entirely consumed by the yeast and leaves no flavor in the finished bread, beer, or wine.
yeast nutrient is a versatile ingredient found in cuisines around the world. With 45 calories per 100g and 8 grams of protein, it's a nutritious addition to many dishes.
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Store yeast nutrient in a cool, dry place in an airtight container to prevent it from clumping due to moisture. When kept away from heat and humidity, it typically remains effective for 1 to 2 years.
It provides essential nitrogen and minerals that yeast needs to thrive, especially in nutrient-deficient environments like mead or hard seltzer. This prevents 'stuck' fermentations and the production of off-flavors like hydrogen sulfide.
No, they are different products. Nutritional yeast is a deactivated yeast used as a food seasoning for its cheesy flavor, while yeast nutrient is a blend of minerals and salts used specifically to feed living yeast during the fermentation process.