Question

What is the substance responsible for the browning of cut surfaces of vegetables and
fruits called?
a. Zinc
b. Melanin
C. Rust
d. Copper​

Answer 1

Answer:

Hey mate the answer is

RUST

Answer 2

Answer: Melanin

Explanation: Slicing damages the plant tissues which leads to the release of enzymes and phenolic compounds from the cells of the vegetables. These 2 chemicals react with oxygen and produce a brown pigment called melanin.