Utilize the input text as a context reference, choose the right relationship between Ingredion and food from the options. Options: product/material produced, manufacturer, distributed by, industry, position held, original broadcaster, owned by, founded by, distribution format, headquarters location, stock exchange, currency, parent organization, chief executive officer, director/manager, owner of, operator, member of, employer, chairperson, platform, subsidiary, legal form, publisher, developer, brand, business division, location of formation, creator.

While the uncertainty has persisted, Ingredion has remained an essential business in the food supply chain continuing to provide a secure supply of ingredients to customers and meet their changing needs.

Answer: industry