Image courtesy of Asrat Amele/IITA. Although carried out on a much smaller scale, yam farming in Jamaica is still seen as a factor in the loss of the island’s natural forests. According to Donna Lowe, ...

When a yam is sliced, its cells break open, exposing natural compounds to oxygen in the air. Some yams contain polyphenols, natural antioxidants that react with oxygen, leading to colour changes.