I grew up with POP EYE comic books, and he ate spinach for iron, and strength my mother grew the silverbeet, not the spinach, but we figured it was similar enough....I prefer the stronger flavour of silverbeet...rather than the subtle flavour of spinach
apparently the pop eye cartoon character contributed greatly to an increased consumption of the vegetable and its Vitamin A content, some controversy noted below
extract from wikiepedia
Spinach
The popularity of Popeye helped boost spinach sales. Consumption of the leafy vegetable increased 33 percent in the United States between 1931 and 1936 as Popeye gained popularity.[citation needed] Using Popeye as a role model for healthier eating may work; a 2010 study revealed that children increased their vegetable consumption after watching Popeye cartoons.[33] The spinach-growing community of Crystal City, Texas, erected a statue of the character in recognition of Popeye's positive effects on the spinach industry. There is another Popeye statue in Segar's hometown, Chester, Illinois, and statues in Springdale, Arkansas and Alma, Arkansas (which claims to be "The Spinach Capital of the World,") at canning plants of Allen Canning, which markets Popeye-branded canned spinach. In addition to Allen Canning's Popeye spinach, Popeye Fresh Foods markets bagged, fresh spinach with Popeye characters on the package. In 2006, when spinach contaminated with E. coli was accidentally sold to the public, many editorial cartoonists lampooned the affair by featuring Popeye in their cartoons.[34]
A frequently circulated story claims that Fleischer's choice of spinach to give Popeye strength was based on faulty calculations of its iron content. In the story, a scientist misplaced a decimal point in an 1870 measurement of spinach's iron content, leading to an iron value ten times higher than it should have been. This faulty measurement was not noticed until the 1930s.[35][36][37] While this story has gone through longstanding circulation, recent study has shown that this is a myth, and it was chosen for its vitamin A content alone; see Spinach: Popeye and iron
