1. Quercetin is mentioned as the powerful antioxidant compound found in onions.
2. Three types of onions are specifically discussed in the text: white, yellow, and red onions.
3. White onions are said to be best for raw applications like salsa.
4. The unexpected benefit related to oral hygiene is that onions can help with bad breath.
5. In ancient Egypt, onions were considered sacred.
6. Yellow onions are said to be perfect for caramelizing.
7. The speaker describes the flavor of red onions as milder and slightly sweeter.
8. The speaker mentions potentially crying while chopping onions because of the fumes.
9. Onions are described as a good example of an accessible and beneficial food because they are affordable and don’t require a gourmet grocery budget.
10. The text mentions that onions were used in burial rituals in ancient Egypt.