Abstract:Using Dendrobium powder and powdered milk as raw materials，with microcrystalline cellulose，lactose，maltodextrin，and xylitol as auxiliary materials，Dendrobium milk tablets were prepared by direct powder compression.The ratios of Dendrobium powder to milk powder and the quantities of added cellulose to lactose maltodextrin and xylitol were selected as four experimental factors.Sensory characteristics and ingot strength were used as evaluation indices to conduct single factor tests.The response surface optimization test was conducted with addition of microcrystalline cellulose and lactose，maltodextrin，and xylitol as experimental factors.The optimal formulation of Dendrobium milk tablets was as follows：the best quality ratio of Dendrobium powder to milk powder was 4∶6，addition of microcrystalline cellulose and lactose was 75%，maltodextrin was 50%，xylitol was 9.6%.The comprehensive product score was 87.495 7.An in vitro antioxidant activity test showed that Dendrobium milk tablets had higher antioxidant capacity than ordinary milk tablets.