Wheat Classifications, Components, and Bread Dough Ingredients

What are the classifications of wheat based on climate conditions?

Hard Red Winter, Hard Red Spring, Soft Red Winter, Hard White, Durum, Soft White

Which type of wheat is grown in the Southern Great Plains?

Hard Red Winter

What is the primary component of wheat that makes up 85.5% of the kernel?

Endosperm

What is the role of bran in the wheat kernel?

Rich in fiber, cellulose, minerals, and vitamins

What percentage of the wheat kernel is germ?

2.5%

What is the milling process for wheat?

Quality control, tempering, grinding, sifting, separating, blending, treatment, packaging

What are the two classifications of flour based on extraction rate?

Patent flour and clear flour

What is the protein content range for bread flour?

11.5-12%

What is the significance of water in bread dough?

Hydration of flour components, links flour components, starts chemical reactions, affects dough consistency

How does water affect gluten formation in dough?

Protein absorbs water, leading to gluten formation and properties

What effect does water temperature have on dough?

Cold water generates cooler dough; warm water generates warmer dough

How does salt improve the flavor of baked goods?

Enhances flavor without noticeably affecting the final product

What role does salt play in regulating fermentation?

Regulates yeast activity for consistent fermentation rates

How does salt affect dough characteristics?

Makes dough more elastic and less extensible, resulting in stronger dough

What is the role of yeast in bread dough?

Fermentation agent that contributes to the rise and flavor of bread

What is the impact of water quality on dough?

Taste, chemical content, and hardness/softness affect fermentation and dough strength

What is the effect of more water on dough consistency?

Softer dough; less water results in stiffer dough

What is the relationship between dough temperature and mixing time?

Dough temperature can be regulated by adjusting water temperature and mixing time

What is the effect of salt in a humid climate on bread?

Attracts humidity, resulting in a soggy crust

What is the primary role of starches in dough?

Absorb water and contribute to dough viscosity

What is the significance of gluten in bread dough?

Provides structure and affects the physical properties of the dough

What happens to dough consistency with less water?

Results in stiffer dough and affects gluten characteristics

Who was the first to microscopically observe yeast?

A Dutch scientist in 1680.

What did Louis Pasteur explain in 1858?

The relationship between yeast and fermentation, laying the foundation for the modern yeast industry.

What species of yeast is commonly used in baking?

Saccharomyces cerevisiae.

What are the three industrial processes that Saccharomyces cerevisiae is responsible for?

Baking industry, production of alcoholic beverages, and flavor industry with yeast extracts.

What gas does yeast produce during fermentation in baking?

Carbon dioxide, which helps in rising the dough.

What is the role of yeast in the baking process?

It generates fermentation, producing gas, alcohol, and acidity.

What are the types of yeast used in baking?

Cream yeast, compressed yeast, active dry yeast, and instant yeast.

How is compressed yeast stored?

In refrigeration, with a shelf life of 2-3 weeks.

What is the rehydration process for active dry yeast?

It must be re-hydrated in 105-110°F water for 5-10 minutes before use.

What is the usage ratio of instant yeast compared to compressed yeast?

Used at 1/3 of the weight of compressed yeast.

What is Poolish?

A liquid preferment with 100% hydration, used in various products, particularly baguette dough.

What is Biga?

A very stiff preferment (50% hydration) used by Italian bakers to reinforce dough strength.

What is the hydration level of Sponge preferment?

60-63% hydration.

What is Pâte Fermentée?

Any dough with at least 3 hours of prefermentation, often used to improve bread quality.

What is Levain?

A sourdough preferment that uses wild yeast and bacteria for fermentation.

What is the Short Mixing Method?

A method with short mixing time that results in underdeveloped gluten structure.

What are the effects of the Improved Mixing Method on dough?

Medium gluten development, good crumb color, and flavor.

What characterizes the Intensive Mixing Method?

Longer mixing time with fully developed gluten structure, resulting in a tighter crumb.

What are enriched doughs?

Yeast-leavened doughs that include added fats, sugars, and eggs, making them richer and softer.

How does sugar affect bread crust color?

Sugar contributes to crust coloration; higher sugar levels lead to darker crusts.

What role do eggs play in enriched dough?

They provide color, moisture, flavor, and nutritional value.

What is the primary fat used in baking?

Butter, known for its aroma, color, and taste.

What is Challah?

A classic braided egg bread of European origin, known for its versatility.

What is laminated dough?

A type of dough that becomes flaky and airy due to layers of dough and butter.

What is Croissant dough?

A laminated dough that combines yeasted leavened dough with layers of butter.

What is Danish dough?

A rich laminated dough that is sweeter and softer than croissant dough.

What is the key to success in making laminated dough?

Keeping the butter and dough cold and ensuring even layers.