A plant polysaccharide extract for moisturizers includes at least one polysaccharide which exists in a plant seed or a plant seed coat, and is extracted by a water solution to obtain an extract liquid. Subsequently, the extract liquid is separated by an appropriate separation technique to obtain a preliminary polysaccharide liquid. Subsequently, the preliminary polysaccharide liquid is produced to form the polysaccharide extract.一種用於保濕之植物多醣體萃取物包含至少一種多醣體,該多醣體存在於一植物種子或一植物種皮,以水溶液萃取方式取得一萃取溶液,再自該萃取溶液以適當分離技術取得一初步多醣體溶液,再將該初步多醣體溶液製成該多醣體萃取物。S1...執行步驟S2...執行步驟S3...執行步驟S4...執行步驟
