Biological Functions of Flavonoids
In the earlier days of the 20th Century it was often suggested that plant secondary metabolites, flavonoids included, represented waste materials of plant metabolism. It was also suggested, light-heartedly one assumes, that the major use of these compounds was to challenge the ingenuity of natural product chemists! Even after functions had been identified for some of these compounds, use of the term “secondary metabolite” continued suggesting that they played only a minor role in plant life. Although they are still called secondary metabolites, it has become abundantly clear that many of the processes with which they are involved are critical to the well-being of plants.
KeywordsChlorogenic Acid Polar Auxin Transport Cyanogenic Glycoside Floral Tube Floral Pigment
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