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Phenolic Compound - Plant Physiology - Lecture Slides

Slides, Physiology

Post: January 18th, 2013
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These are the lecture slides of Plant Physiology. Key important points are: Phenolic Compound, Phenol Group, Hydroxyl Functional Group, Aromatic Ring, Biosynthesis of Phenolics, Shikimic Acid Pathway, Cinnamic Acid, Phenylalanine Ammonia Lyase, Types of Phenolics
These are the lecture slides of Plant Physiology. Key important points are: Phenolic Compound, Phenol Group, Hydroxyl Functional Group, Aromatic Ring, Biosynthesis of Phenolics, Shikimic Acid Pathway, Cinnamic Acid, Phenylalanine Ammonia Lyase, Types of Phenolics
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Contents
What’s a phenolic compound? A secondary product that contains a phenol group - a hydroxyl functional group on an aromatic ring. OH Phenolics are a chemically diverse group: many different properties and functions. Docsity.com Shikimic acid pathway is most common in plants. Converts simple carbohydrates into aromatic amino acids. Not present in animals. Biosynthesis of phenolics Docsity.com PAL activity is inducible: fungal infection, low nutrient levels, high light Most plant phenolics are derived from cinnamic acid formed from phenylalanine by phenylalanine ammonia lyase (PAL) enzyme. PAL Docsity.com Major types of phenolics 1. Simple phenolics - e.g. coumarins 2. Lignin - 2nd most abundant compound in plants 3. Flavonoids - two aromatic rings, 2 pathways anthocyanins, flavones/flavonols 4. Condensed tannins polymerized flavonoids 5. Hydrolyzable tannins made of phenolic acids and sugars smaller molecules than condensed tannins Docsity.com 1. simple phenolics Fig. 13..

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