This document discusses potential functional foods from New Zealand, including flaxseed oil containing omega-3, manuka honey, and green-lipped mussels extract. It also mentions polysaccharides from plants that can act as gelling agents, stabilizers, emulsifiers, and thickeners. Specifically, it discusses mamaku gum from the fronds of New Zealand black tree fern, which is a freeze-dried extract or solution that Māori used to treat diarrhea, burns, and boils.