The Patented Cost-Effective Technology for Extracting High Purity L-Theanine from Green Tea, Invented and Employed by Botaniex, Provides the Beverage and Supplements Industry with a Competent and an Affordable Natural Ingredient. Changsha, Hunan Province (PRWEB) April 03, 2017 Botaniex Inc. is proud to announce that its invention patent for a state-of-the-art L-Theanine extraction technology was…