HPP companies getting noticed: Seeing Green: WhiteWave Invests $3 Million in HPP Juice Brand Daily Greens Ray Latif Posted January 22, 2015 Already a powerhouse in dairy-alternative drinks, WhiteWave Food Co. has made a small, but significant, foray into the surging cold-pressed, high pressure processed (HPP) juice space with a $3 million equity investment in Austin, Texas-based Daily Greens. Could Harvest Soul be working a deal in the background? They sure are being quiet for some reason.