《Enzyme食品化学》课件.pptx
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1、Enzyme食品化学PPT课件 创作者:时间:2024年X月目录第第1 1章章 简介简介第第2 2章章 酶促反应机理酶促反应机理第第3 3章章 Enzyme Enzyme工程与应用工程与应用第第4 4章章 Enzyme Enzyme与食品营养与食品营养第第5 5章章 Enzyme Enzyme的未来发展的未来发展 0101第1章 简介 Enzyme食品化学概述Enzymes are biological molecules that catalyze chemical reactions.In food chemistry,enzymes play a crucial role in vari
2、ous processes such as fermentation,ripening,and digestion.Their applications in food processing have revolutionized the industry by enhancing product quality and efficiency.Enzyme分类Oxidoreductases,Decarboxylases,etc.Based on Mechanism of ActionGeneral enzymes,Specific enzymes,etc.Based on Substrate
3、SpecificityAnimal-derived,Plant-derived,Microbial-derived,etc.Based on Source Specificity and affinityEnzyme-Substrate Binding0103Induced fit modelChanges in Affinity during Reaction02Catalytic centerActive Site of EnzymeEffect Effect of of Enzyme Enzyme ConcentrationConcentration-Relationship betwe
4、en-Relationship between enzyme concentration and enzyme concentration and reaction ratereaction rate-Optimizing enzyme levels-Optimizing enzyme levels for desired outcomesfor desired outcomes-Risks of enzyme overuse in-Risks of enzyme overuse in food processingfood processingSignificance Significanc
5、e of of Enzyme StabilityEnzyme Stability-Ensuring enzyme activity-Ensuring enzyme activity throughout processing throughout processing stagesstages-Factors affecting enzyme-Factors affecting enzyme stabilitystability-Techniques for preserving-Techniques for preserving enzyme functionalityenzyme func
6、tionality Enzyme与食品质量Impact Impact on on Food Food QualityQuality-Influence of enzyme-Influence of enzyme applications on food texture applications on food texture and flavorand flavor-Importance of enzyme-Importance of enzyme specificity in maintaining specificity in maintaining product consistency
7、product consistency-Role of enzymes in-Role of enzymes in extending shelf life of food extending shelf life of food productsproductsEnzyme Enzyme Applications Applications in Food in Food ChemistryChemistryEnzymes are essential in food chemistry for Enzymes are essential in food chemistry for enhanc
8、ing processes like fermentation,enhancing processes like fermentation,preservation,and flavor development.Their preservation,and flavor development.Their specificity and efficiency make them valuable tools specificity and efficiency make them valuable tools in the food industry,ensuring high-quality
9、 in the food industry,ensuring high-quality products for consumers.products for consumers.0202第二章 酶促反应机理 酶促反应原理酶促反应原理酶与底物的结合方式是酶促反应的关键步骤,速率受到底酶与底物的结合方式是酶促反应的关键步骤,速率受到底物浓度、温度和物浓度、温度和pHpH值等因素的影响。酶促反应的动力学值等因素的影响。酶促反应的动力学机理包括米氏方程和酶底物复合物理论。机理包括米氏方程和酶底物复合物理论。酶促反应的影响因素影响酶活性温度调节酶催化作用pH值辅助酶活性金属离子 口感与品质口感与品质酶
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- Enzyme食品化学 Enzyme 食品 化学 课件
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