Superfoods SuperFoods 5

Question 1

Walnuts are considered a superfood nut primarily because they are exceptionally high in which nutrient?

Accepted Answer

ALA omega-3 fatty acids

Answer

Walnuts contain more ALA (alpha-linolenic acid) omega-3 than any other common nut, supporting brain and heart health.

Question 2

Which superfood is the most bioavailable plant source of iron, often recommended for anemia?

Accepted Answer

Blackstrap molasses

Answer

Blackstrap molasses is extremely iron-rich and has higher bioavailability than many other plant iron sources.

Question 3

What makes wild-caught salmon superior to farmed salmon as a superfood?

Accepted Answer

More omega-3s and lower omega-6 to omega-3 ratio

Answer

Wild-caught salmon typically has a more favorable omega-3 to omega-6 ratio due to its natural diet of krill and smaller fish.

Question 4

Pomegranate seeds are a superfood largely due to their high content of which unique antioxidant?

Accepted Answer

Punicalagins

Answer

Punicalagins are powerful antioxidants unique to pomegranates and are metabolized into urolithins by gut bacteria.

Question 5

Which superfood is a complete protein derived from wheat gluten, common in plant-based diets?

Accepted Answer

Seitan

Answer

Seitan (wheat gluten) is very high in protein and has a meat-like texture, but is NOT suitable for those with celiac disease.

Superfoods Practice Test