French multinational Danone has announced an investment in organic frozen baby food start up Yooji, through its investment arm Danone Manifesto Ventures. Founded in September 2012, Yooji is said to be aiming to revolutionise baby food by providing frozen portion-sized products that are sourced from organic farms. The firm’s range is claimed to respond to a growing demand from parents for high-quality healthy baby meals which are easy and convenient, yet remain …