Food intolerance: are non-toxic, nonimmune-related mainly due to naturally occurring toxicants (e.g. gluten), microbial or chemical food contaminants (e.g. phenylanaline) and inherited metabolic disorders (e.g. lactose intolerance). Rarely life-threatening. 食品不耐性：非毒性的、与免疫无关，主要由于自然生成的毒性物质（例如面筋），微生物或化学性食品污染（如苯胺）以及遗传新陈代谢失调（如乳糖不耐）。很少危及生命。