Which food is most associated with the highest quercetin content?

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Prepare for the NANP Food and Nutrition Exam with comprehensive flashcards and multiple choice questions. Each question includes hints and thorough explanations. Ensure your success on exam day!

Multiple Choice

Which food is most associated with the highest quercetin content?

Explanation:
Quercetin is a flavonoid antioxidant found in many plant foods, and its amount varies a lot between foods. Onions, especially red onions, tend to have the highest quercetin content because their outer layers are rich in quercetin glycosides. That makes onions stand out compared with the other options. Blueberries and organic apples do contain quercetin, but in smaller amounts, and salmon is an animal protein with essentially no quercetin. So onions are the best match for the highest quercetin content among these choices.

Quercetin is a flavonoid antioxidant found in many plant foods, and its amount varies a lot between foods. Onions, especially red onions, tend to have the highest quercetin content because their outer layers are rich in quercetin glycosides. That makes onions stand out compared with the other options. Blueberries and organic apples do contain quercetin, but in smaller amounts, and salmon is an animal protein with essentially no quercetin. So onions are the best match for the highest quercetin content among these choices.

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