Anthoxanthin
A class of flavonoid compounds found in plants
Overview[edit | edit source]
Anthoxanthins are a type of flavonoid compound that are widely distributed in the plant kingdom. They are responsible for the yellow or cream coloration in many flowers and other plant parts. Anthoxanthins are water-soluble pigments and are found in the cell sap of plants.
Chemical Structure[edit | edit source]
Anthoxanthins belong to the larger group of polyphenols and are specifically classified as flavonoids. They are characterized by their phenolic structure, which consists of two aromatic rings (A and B) connected by a three-carbon bridge that forms a closed pyran ring (C). This structure is common to all flavonoids, but anthoxanthins are distinguished by the presence of hydroxyl groups and the absence of sugar moieties, which differentiates them from other flavonoids like anthocyanins.
Types of Anthoxanthins[edit | edit source]
Anthoxanthins can be further divided into several subcategories based on their specific chemical structures. These include:
Each of these subcategories has distinct properties and can be found in different plant species.
Biological Role[edit | edit source]
Anthoxanthins play several important roles in plants. They contribute to the coloration of flowers, which can attract pollinators. Additionally, they have antioxidant properties, which help protect plants from oxidative stress caused by environmental factors such as UV radiation and pollution.
Health Benefits[edit | edit source]
Anthoxanthins are of interest in human nutrition and health due to their potential antioxidant activity. They may help in reducing the risk of chronic diseases such as cardiovascular disease and certain types of cancer. Their role in human health is an active area of research.
Sources[edit | edit source]
Anthoxanthins are found in a variety of plant-based foods. Common sources include:
These foods are part of a healthy diet and contribute to the intake of beneficial flavonoids.
Related Pages[edit | edit source]
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Contributors: Kondreddy Naveen, Prab R. Tumpati, MD
