Seed mucilage consists of pectin polysaccharides that are secreted by the Golgi apparatus in epidermal cells to the cell cavity and cell walls of the seed coat, which swells considerably upon wetting.

• 摘要种子粘液是在种皮外层细胞的高尔基体内产生并分泌到胞腔内或细胞壁层的吸湿膨胀的一类果胶类多糖物质。