IL22 and Chronic colitis: Another group demonstrated that ginger‐derived nanoparticles (GDNPs) could protect mice from acute and chronic colitis by up‐regulating anti‐inflammatory cytokines, such as IL‐10 and interleukin 22 (IL‐22) and down‐regulating the pro‐inflammatory ones, like interleukin 6 (IL‐6), tumour necrosis factor α (TNF‐α) and interleukin 1 β (IL‐1β).13