Lesson18_SakeAndDistilledSpirits.txt - How are sake and mi...

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How are sake and mi chiu different from beer and wine? They use mold to break starch down. You are trying to make sake but forgot to add the mold, Aspergillus oryzae. What will the resulting sake be like? It will have a high starch concentration. Mold break starch down into sugars so that yeast can ferment them. Mold and Yeast Where is starch found in rice endosperm cells? Amyloplasts What are rice cell walls composed of? Cellulose, Hemicellulose, Pectin In order for mold enzymes to break down starch, what has to happen? The rice cell walls must be broken down and the starch must be released. How could you break down rice cell walls? Physical Damage, Heat, Enzymes What enzymes could you use? Cellulase: breaks down cellulose, so cell walls weaken and starch is released Experiment: purified cellulase enzymes from mold, added them to sake fermentation, measured CO2 production Three Types of Cellulases Added (1,2,3) Which experiment produced the most alcohol?
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