"Super food" is a well-known term representing a food rich in nutrients. Did you know sauerkraut was a superfood on sailing ships in the 1500-1800s? Introduce or support a lesson on food preservation, food storage, or nutrients by teaching your students how fermented cabbage prevented sailors from coming down with scurvy on long voyages.

http://modernfarmer.com/2014/04/magical-sour-cabbage-sauerkraut-helped-save-age-sail/

Tyler LeBlanc