The fresh leaves of Camellia chrysantha(Hu) Tuyama were made instant tea through extraction,concentration,blending and spray drying.The optimal formula of Camellia chrysantha(Hu) Tuyama instant tea were determined by orthogonal experimental method:10% of the concentrated solution of Camellia chrysantha(Hu) Tuyama,0.4% of β-cyclodextrine,4.5% of maltitol and 3.0% of trehalose(all are the ratio of mass to volume) .The instant tea product had good quality with light-brown colour,fine and uniform particle,well ...