Glucan Extracts: Oral Animal Studies    -----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------   Extract                                                                Source                                                             Animal                                                                                                  Oral dose/day                                                                           Duration   Treatment                                                                                                              Significant effects                                                                                                                                                                                                                       Reference   ---------------------------------------------------------------------- ------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------- --------------------------------------------------------------------------------------- ---------- ---------------------------------------------------------------------------------------------------------------------- ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- -------------   