... farmers, Longfeng takes up a “company + base +farmers” model, which helps raise the quality and competitiveness of Longfeng products. At ... diuretic activity; hoelen is often combined with alisma (zexie), which also has triterpenes and is considered a diuretic (16). In addition, ... fushen; after another thousand years, it become amber (hopu, which is, in fact, derived from pine resin); and after yet ...