Superfoods Knowledge 3 — Questions and Answers
Question 1: What makes dark chocolate qualify as a superfood compared to milk chocolate?
- Higher sugar content
- Higher cocoa percentage with more flavonoids (Correct answer)
- Lower calorie count
- Absence of caffeine
Correct answer: Higher cocoa percentage with more flavonoids
Dark chocolate (70%+ cocoa) is rich in flavonoids like epicatechin, which support heart health and reduce oxidative stress.
Question 2: Which superfood grain is technically a seed and native to the Andean region of South America?
- Amaranth
- Buckwheat
- Quinoa (Correct answer)
- Millet
Correct answer: Quinoa
Quinoa is a pseudocereal seed native to the Andes, valued for its complete protein profile and gluten-free status.
Question 3: Astaxanthin, one of the most powerful antioxidants known, gives which superfood its characteristic pink color?
- Salmon (Correct answer)
- Pink grapefruit
- Strawberries
- Dragon fruit
Correct answer: Salmon
Wild salmon gets its pink-orange color from astaxanthin, a carotenoid antioxidant that is 6,000 times stronger than vitamin C.
Question 4: Which leafy green superfood has the highest ORAC (oxygen radical absorbance capacity) score among common vegetables?
- Spinach
- Kale
- Swiss chard
- Watercress (Correct answer)
Correct answer: Watercress
Watercress scores the highest ORAC value among commonly eaten leafy greens and is designated a 'powerhouse vegetable' by the CDC.
Question 5: What is the main health benefit of the beta-glucan fiber found in oats?
- Improving night vision
- Lowering LDL cholesterol (Correct answer)
- Increasing bone density
- Boosting testosterone
Correct answer: Lowering LDL cholesterol
Beta-glucan in oats forms a gel in the digestive tract that binds to cholesterol and removes it, effectively lowering LDL levels.
Question 6: Which superfood contains oleocanthal, a compound with anti-inflammatory effects similar to ibuprofen?
- Avocado
- Extra virgin olive oil (Correct answer)
- Coconut oil
- Walnut oil
Correct answer: Extra virgin olive oil
Extra virgin olive oil contains oleocanthal, a phenolic compound that inhibits COX enzymes just as ibuprofen does.
Question 7: Kombucha gets its probiotic properties from which primary fermentation agent?
- Wild yeast only
- Lactic acid bacteria only
- A SCOBY (symbiotic culture of bacteria and yeast) (Correct answer)
- Kefir grains
Correct answer: A SCOBY (symbiotic culture of bacteria and yeast)
A SCOBY is the living culture that ferments sweetened tea into kombucha, producing beneficial acids, B vitamins, and probiotics.
Superfoods Knowledge 3
What makes dark chocolate qualify as a superfood compared to milk chocolate?