Astragalus propinquus "A. propinquus" is listed in the following official Pharmacopeia: Astragalus propinquus Astragalus propinquus (syn. "Astragalus membranaceus", commonly known as Mongolian milkvetch in English and as "huáng qí" (), "běi qí" () or "huáng huā huáng qí" (), in Chinese, is a flowering plant in the family Fabaceae. It is one of the 50 fundamental herbs used in traditional Chinese medicine. It is a perennial plant and it is not listed as being threatened. "A. propinquus" is used in traditional Chinese medicine (TCM). "A. propinquus" is an component in Lectranal, a food supplement used in treatment of seasonal allergic rhinitis, though
Allergic conjunctivitis injury. There are four classes of selectin blocking agents: (i) carbohydrate based inhibitors targeting all P-, E-, and L-selectins, (ii) antihuman selectin antibodies, (iii) a recombinant truncated form of PSGL-1 immunoglobulin fusion protein, and (iv) small-molecule inhibitors of selectins. Most selectin blockers have failed phase II/III clinical trials, or the studies were ceased due to their unfavorable pharmacokinetics or prohibitive cost. Sphingolipids, present in yeast like "Saccharomyces cerevisiae" and plants, have also shown mitigative effects in animal models of gene knockout mice. Allergic conjunctivitis occurs more frequently among those with allergic conditions, with the symptoms having a seasonal correlation. Allergic