PROBLEM TO BE SOLVED: To provide a preservation method for the preservation of a plant which can maintain its original color and flavor.SOLUTION: A plant preservation method has an antifreeze polysaccharide liquid absorption step for making a plant as a preservation article absorb an antifreeze polysaccharide solution, and a freeze drying step for subjecting the preservation article having absorbed the solution to freeze drying.SELECTED DRAWING: NoneCOPYRIGHT: (C)2016,JPO&INPIT【課題】植物の保存処理に関し、本来の色や香りを保つことができる保存処理方法を提供する。【解決手段】植物を被保存処理品とし、該被保存処理品に不凍多糖の水溶液を吸収させる不凍多糖液吸収工程と、前記水溶液を吸収させた前記被保存処理品をフリーズドライ処理するフリーズドライ処理工程と、を有する植物の保存処理方法。【選択図】なし