pectate

/ˈpɛkteɪt/
noun
  1. A salt or ester of pectic acid, found in plant cell walls and used in food and industrial products.
    • The plant's cell walls contain pectate, which gives them structure.
    • Researchers are exploring pectate as a biodegradable packaging material.
    • Pectate is often used as a gelling agent in jams and jellies.