Flavonoids: definition, structure and classification

CONTENTS What are flavonoids? Chemical structure of flavonoids Classification of flavonoids References What are flavonoids? Flavonoids are the most abundant polyphenols in human diet, representing about 2/3 of all those ones ingested. Like other phytochemicals, they are the products of secondary metabolism of plants and, currently, it is not possible to determine precisely their number, […]

Polyphenols: definition, structure and classification

CONTENTS What are polyphenols Chemical structure of polyphenols Classification of polyphenols Variability of polyphenol content of plant and plant products References What are polyphenols? Polyphenols are one of the most important and certainly the most numerous among the groups of phytochemicals present in the plant kingdom. Currently, over 8000 phenolic structures have been identified, of […]

Glycogen: an efficient storage form of energy in aerobic conditions

What is the net energy yield for the oxidation of a glucose unit from glycogen¬†in aerobic conditions? In aerobic conditions, the oxidation of a free glucose to CO2 and H2O (glycolysis, Krebs cycle and oxidative phosphorylation) leads to the net production of about 30 molecules of ATP. Glucose from the action of glycogen phosphorylase: glucose-1-phosphate […]

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