When hydrogens from acids replace the magnesium in _____ pigments, this results in a compound known as pheophytin.
a. carotenoid
b. chlorophyll
c. anthocyanin
d. anthoxanthin
e. betalain
Question 2
If a nonstainless metal knife is used to cut red cabbage, the _____ pigment will react with the metal ions in iron, tin, or aluminum and create off-colors.
a. flavonoid
b. anthocyanin
c. anthoxanathin
d. betalain