Leavening Agents

Leavening Agents Leavening Agents - Start

2015-11-02 230K 230 0 0

Leavening Agents - Description

Physical . vs. Chemical Changes. Physical changes – end products can be changed back to what you started with. Ex: water changes to ice (can change back). Chemical changes – end up with an entirely new product at the end. ID: 180355 Download Presentation

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Leavening Agents




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Presentations text content in Leavening Agents

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Leavening Agents

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Physical vs Chemical Changes

Physical changes – end products can be changed back to what you started withEx: water changes to ice (can change back)Chemical changes – end up with an entirely new product at the endExample : iron & water = rust (can’t change back)

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Three MOST COMMON Leavening Agents

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Baking Soda

Chemical changeBaking soda, or bicarbonate of sodaUsed when the dough or batter contains an acidic ingredient, like buttermilk, lemon, brown sugar, sour cream, or yogurt. The soda (base) combines with the buttermilk (acid), to produce carbon dioxide & the baked goods rise.

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Baking Powder

Chemical changeUsed in cookies, quick breads & other baked goods Made of baking soda & cream of tartar Generally double action - means it releases carbon dioxide when mixed with liquid & when exposed to heat

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Yeast

Chemical changeFungusSlow processConverts small amounts of sugars in the dough to carbon dioxide & alcohol – fermentationCarbon dioxide trapped in the dough makes it riseAlcohol evaporates in the oven

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Steam

Physical changeWater changes to steam to create small bubbles which cause the baking products to rise

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Making Pancakes

Leavening agents – baking soda & baking powder Buttermilk vs regular milk pancakesWhich will work the best?And in what combinations do they work best?Let’s find out!


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