Precision Plant Molecules with Dr. Andrea Holmes. Precision Plant Molecules (PPM) is a science-driven, specialty non-psychotropic cannabinoid-based bulk ingredients company that extracts and processes hemp, botanicals and constituents to create oils, distillates, isolates, extracts, and concentrates. These products range from whole plant full-spectrum extracts to bespoke profile products with specific potencies of cannabinoids, terpenes and other bioactive, to highly concentrated and 99% pure products. Their goal, with every interaction with our customers, growers, employees, and the community is to build on the trusted relationship we have earned.