30 Apr 2020 --- AOAC International has approved of a liquid chromatography-diode array detection (LC-DAD) method for hemp. The method was previously approved as the Official Method of Analysis to quantitatively analyze 12 major cannabinoids in cannabis plant materials, concentrates and oils. In other hemp sector news, Medterra has launched three new additions to its cannabidiol (CBD) gummy portfolio and Green Hygienics Holdings has received US Department of Agriculture (USDA) Organic Certification for its hemp cultivation facilities.