Using osmotolerant yeast in regular bread

After the demise of my sourdough starter, I've decided to switch to instant yeast, and am trying to decide which to buy. Specifically, I'm comparing Saf-Instant Red and Saf-Instant Gold. The former is officially recommended for dough with up to 12% sugar, while the latter is recommended for dough with between 10% and 30% sugar. However, I've read several anecdotal reports that Saf-Instant Gold is perfectly fine for plain, low-sugar bread.

I don't bake often enough to justify stocking two different yeasts, so is Saf-Instant Gold (or any similar osmotolerant yeast) suitable for regular bread, and do I need to adjust any recipes if I'm using it in place of Saf-Instant Red?

Ideally, I'd like an answer drawing from a statement from a yeast manufacturer, substantial personal experimentation, or a published study.

Best Answer

It should be fine. There is no reason it won't grow at lower sugar content, though there is a possibility that it has slightly slower growth under lower sugar levels, due to optimization of the metabolism for the more bio-available sugars.

All the information that has been is saying is that if you have a relatively high sugar content in your bread, then use the "osmotolerant" variety, not that the variety won't grow under conditions outside of those specified.

I seriously doubt that recipe adjustment would be necessary. As I mentioned above, it may have slightly slower growth under low sugar conditions, but this is likely to be minimal and at worst require longer proofing/rising stages.

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Quick Answer about "Using osmotolerant yeast in regular bread"

Osmotolerant yeast can be substituted through the following guidelines: This yeast can be substituted with regular active dry yeast by increasing the usage level up to 7 – 10% of the flour weight.

Is Osmotolerant yeast the same as instant yeast?

Osmotolerant yeast is a special strain of instant dry yeast that performs better in high-sugar doughs than other yeasts do. In small amounts, sugar enhances fermentation, but when the amount of sugar exceeds about 5% of the flour weight, it impedes fermentation by pulling water away from the yeast.

Is rapid rise yeast interchangeable with regular yeast?

Active Dry Yeast and Instant Yeast, also called 'quick rising' or 'fast rising' are much more similar than most people think. In fact, they can be used interchangeably in most recipes. They're both commercial products made from drying fresh yeast into granules.

Can you use SAF Gold for regular bread?

Which SAF yeast to use, Red or Gold? SAF Red is your best choice for all-around baking, from sandwich loaves to crusty no-knead bread to freeze-and-bake dinner rolls. SAF Gold is formulated for one specific type of dough: sweet dough.

Can I substitute rapid rise yeast for active?

To substitute instant (or rapid rise) yeast for active dry: Use about 25 percent less. For example if the recipe calls for 1 packet or 2\xbc teaspoons of active dry yeast, use 1 3/4 teaspoons of instant yeast. And you do not need to prove the yeast, just add it to the dry ingredients.

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