Superfoods Facts 5 — Questions and Answers
Question 1: What gives blueberries their deep blue-purple color and superfood antioxidant power?
- Carotenoids
- Chlorophyll
- Anthocyanins (Correct answer)
- Flavones
Correct answer: Anthocyanins
Anthocyanins are water-soluble pigments in blueberries linked to improved brain function, reduced inflammation, and lower heart disease risk.
Question 2: Which superfood is both a complete protein and contains all eight B vitamins?
- Lentils
- Nutritional yeast (Correct answer)
- Tempeh
- Edamame
Correct answer: Nutritional yeast
Nutritional yeast provides all essential amino acids and is one of the few plant sources naturally rich in all B vitamins including B12.
Question 3: What is the primary reason dark leafy greens like spinach may interfere with blood-thinning medications?
- High iron content
- High Vitamin K content (Correct answer)
- High Vitamin C content
- High folate content
Correct answer: High Vitamin K content
Vitamin K is essential for blood clotting and can counteract the effects of anticoagulants like warfarin when consumed in large amounts.
Question 4: Moringa is called the 'miracle tree' largely because of which nutritional characteristic?
- It contains more vitamin C than any other plant
- Almost every part of the plant is edible and nutrient-dense (Correct answer)
- Its seeds contain the highest known antioxidant levels
- It provides complete carbohydrate nutrition
Correct answer: Almost every part of the plant is edible and nutrient-dense
Moringa's leaves, pods, seeds, and bark are all edible and packed with vitamins, minerals, and protein, making the whole tree nutritionally valuable.
Question 5: Which of these superfoods has the highest ORAC (antioxidant capacity) score per 100g?
- Blueberries
- Raw cacao powder (Correct answer)
- Acai berry
- Goji berry
Correct answer: Raw cacao powder
Raw cacao powder has an exceptionally high ORAC score of around 95,000–100,000 µmol TE/100g, far exceeding most other foods.
Question 6: Sea vegetables like kelp and nori are superfoods primarily because they are exceptional sources of which mineral?
- Calcium
- Iron
- Iodine (Correct answer)
- Magnesium
Correct answer: Iodine
Seaweeds are among the richest dietary sources of iodine, which is essential for thyroid hormone production.
Question 7: What is the estimated number of antioxidant compounds found in a single cup of fresh pomegranate juice?
- Over 100
- Over 500
- Over 1,000 (Correct answer)
- Over 5,000
Correct answer: Over 1,000
Pomegranate juice contains over 1,000 identifiable polyphenols and antioxidant compounds, giving it three times the antioxidant activity of red wine or green tea.
Superfoods Facts 5
What gives blueberries their deep blue-purple color and superfood antioxidant power?