Origin

Quercetin can be derived from a variety of food sources, including capers, radish leaves, dill, cilantro, fennel leaves, onions, radicchio, watercress, kale, and plums. These sources are rich in this flavonol, making it accessible through a natural diet.

Also Known As

Quercetin is known by several scientific names, reflecting its chemical structure and its classification within the flavonoid group of polyphenols:

• 5,7,3′,4′-flavon-3-ol
• Sophoretin
• Meletin
• Quercetine
• Xanthaurine
• Quercetol
• Quertine
• Flavin meletin

These names emphasize the compound’s role in plant physiology and its significance in nutritional science.

Usages

Quercetin is utilized in a wide range of applications due to its potent antioxidant properties. It is found in:

• Dietary supplements for health enhancement
• Beverages as a natural flavoring agent and antioxidant
• Foods to enhance nutritional value and flavor

Its versatility is attributed to its health benefits and the bitter flavor it imparts to foods and beverages.

Overview

Quercetin is a plant-derived flavonol belonging to the broader flavonoid group of polyphenols, recognized for its presence in various fruits, vegetables, leaves, and grains. It is particularly abundant in red onions and kale, among other foods. This compound is celebrated for its antioxidant properties and is incorporated into dietary supplements, foods, and beverages.

Key points include:

• Acts as a potent antioxidant, offering various health benefits.
• Found in a wide array of fruits, vegetables, and grains.
• Commonly used in dietary supplements and as a flavoring agent in foods and beverages.

Common Dosage

The recommended dosage for quercetin ranges from 500 to 1000 mg per day. This range is considered effective for harnessing its antioxidant and health-promoting properties.

Summary

Quercetin, a plant flavonol from the flavonoid group of polyphenols, is known for its antioxidant capabilities and is found in many fruits, vegetables, and grains. It offers health benefits through dietary supplements, and its bitter flavor is utilized in foods and beverages.

Key summary points include:

• Derived from a variety of nutritious food sources.
• Offers antioxidant properties and supports overall health.
• Recommended daily intake ranges from 500 to 1000 mg.

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