①Camellia japonica:  Height is 3-6 m, evergreen tree, in September to October the fruits were harvested and dried. Oil is extracted by compression. The oil is including oleic acid which is monounsaturated fatty acids, for 80-85%, that means not easily oxidized. The oil has a property for a horny moisture-retaining due to the covering skin and prevention the transpiration. The cooking oil is frequency used in many Japanese restaurants because of the good flavor and stability. Historically, Camellia japonica was loved by the family that inherits the shogunate and called “The queen of seasonal flowers arranged for a tea ceremony” because of its novelty and charm.