... (on dry) >=99.5 Degree of Substitute 0.5-0.75 Yeast Beta Glucan is kind of nature " ... yeast (Saccharomyces cerevisiae),comprising D-glucose units with (1,3)links and with side-chains of D- ... greater biological activity than that of its soluble(1,3/1,4)beta glucan counterparts(oat,barley).The differences ... % ≤5.0Particle size100% pass 80 meshPb, mg/kg ≤2.0β-Glucan content% ≥70.0As,mg/kg ≤3.0Protein, % ≤ ...