Keto Sourdough MasterClass™ — Ingredients

Oat Fiber

Where Ancient Art Meets Low-Carb Science

Why Oat Fiber Is Essential for Fiber Flora™ Recipes

A key ingredient in our Sinless Sourdough™ recipes is oat fiber, which plays a crucial role in both the sourdough starter and the final baked goods. This product is used in Fiber Flora™ breads and baked goods and contributes fiber but that’s also why the products are more dense. Oat fiber is a game-changer for flexible keto baking, as it helps mimic the properties of wheat flour without adding digestible carbohydrates.

The Basics

What Is Oat Fiber?

Oat fiber is produced by processing the outer hull of oat grains. The hulls, which make up about 25–33% of the oat’s weight, undergo a series of treatments including alkaline digestion, bleaching, neutralization, and drying. The result is a fine powder that’s typically 50 mesh or finer.

Why It’s Unique

Zero Net Carbs

What makes oat fiber particularly appealing for flexible keto baking is its unique carbohydrate to fiber ratio. The total carbohydrate content of oat fiber is essentially equal to its fiber content. This means that when you subtract the fiber from the total carbs, you’re left with zero net carbs. This remarkable property allows us to create Sinless Sourdough™ products that are very low in digestible carbohydrates while still maintaining the texture and structure typically provided by wheat flour.

Where to Buy

Product Recommendation

Background

Historical Significance

Oat fiber is a modern ingredient derived from the outer husk of oat grains, becoming popular in recent years as a flexible keto, high-fiber additive in baking and food production.

By the Numbers

Nutritional Profile

Oat fiber offers a unique nutritional profile:

• Extremely high in insoluble fiber (up to 93% fiber by weight)
• Very low in calories and carbohydrates
• Contains no fat or protein
• Rich in beta-glucans, a type of soluble fiber

Net Carbs

Counting Carbs

Oat fiber is a unique ingredient that has gained popularity among those following flexible keto and ketogenic diets due to its zero net carb content. The reason we don’t count the carbs in oat fiber is that it is composed entirely of insoluble fiber. Insoluble fiber is a type of carbohydrate that the human body cannot digest or absorb. As a result, it passes through the digestive system relatively intact, without impacting blood sugar levels or requiring insulin for processing. When calculating net carbs, which represent the carbohydrates that affect blood sugar, we subtract the total fiber content from the total carbohydrates. In the case of oat fiber, the total carbohydrate content is equal to its fiber content, resulting in zero net carbs.

This makes oat fiber an excellent choice for those looking to increase their fiber intake while maintaining a flexible keto lifestyle, as it provides the benefits of fiber without contributing to the body’s carbohydrate load. In our Sinless Sourdough™, the addition of oat fiber plays a crucial role in lowering the overall net carb count per serving. By incorporating oat fiber into the dough, we effectively offset the carbohydrates from the wheat flour used in the recipe. This strategic use of oat fiber allows us to create a bread product that maintains the desirable texture and flavor of traditional sourdough while significantly reducing its net carb content, making it more suitable for those following flexible keto or ketogenic diets.

Tolerance

Digestibility

Oat fiber is generally considered to be highly digestible:

• The high insoluble fiber content may aid in digestion and promote regular bowel movements
• May help lower cholesterol levels due to its beta-glucan content
• Generally well-tolerated, even by those with gluten sensitivities (when certified gluten-free)

In the Kitchen

Baking Properties

Oat fiber has unique baking characteristics:

• Neutral flavor that doesn’t significantly alter the taste of baked goods
• Absorbs a lot of water, which can help keep baked goods moist
• Can improve texture and mouthfeel in flexible keto baked products
• Often used as a flour substitute in flexible keto and keto baking

In Summary

Contributions to Sourdough

• Texture: Can add bulk and improve texture without adding significant carbohydrates
• Water Absorption: High water absorption capacity can affect dough hydration
• Nutritional Content: Adds significant fiber to the final product
• Fermentation: May slow down fermentation due to its low fermentable carbohydrate content

Use in Flexible Keto Sourdough