IS THERE IRON IN LETTUCE?
No there isn't iron in brown lettuce because it is rotten. When it is rotten the iron appears to escape from the lettuce because the lettuce is no longer fresh enough to eat.
One cup of shredded Romaine lettuce has 8 calories, one of which is from fat, 1 gram of fiber, 1 gram of protein, 82% of your daily requirement of vitamin A, 19% for vitamin C and 3% of your requirement for iron.
The lettuce does not turn brown due to it being cut with a metal knife. It turns brown due to oxidation.
if it is rubbery and brown
Lettuce is one of the best vegetable sources of silicon and iron, it also contains copper.
Iceberg lettuce changes color because of enzymes. When lettuce is cut, enzymes from cells are released. One enzyme, polyphenoloxidase, reacts with polyphenol molecules in the lettuce, forming brown pigments.
Iron sulfide
Because it's brown, or bad.
Not as far as nutritional value. Lettuce that is torn doesn't turn brown as fast though.
You just cut that leaf off, hope it helped! X
Brown
No, he is not an iron chef. He acts as the commentator for the show.
Iron or materials containing iron will rust into oxides, either Fe2O3 (light brown) or Fe3O4 (dark brown).
It is a reddish brown solid material. In iron oxide, Iron exists in +3 state