国内外竹子化学利用及其研究概况（续）４竹提取物及其产品与利用竹子（包括秆、枝、叶、笋等）含有丰富的各种抽提物。竹汁中除含有大量的维生素、氨基酸、叶绿素之外，还含有丰富的具活化细胞功能的锗、硅等元素以及多糖类、黄酮类等许多生物活性物质。国外在竹提取物的... Overview of Bamboo Chemical Utilization and Its Research (Cont.) 4 Bamboo Extracts, Their Products and Utilization Bamboo (including culm, branch, leaf, bamboo shoot, etc.) is rich in various extracts. Bamboo juice in addition to a large number of vitamins, amino acids, chlorophyll, but also rich in activated cell functions of germanium, silicon and other elements and polysaccharides, flavonoids and many other bioactive substances. Foreign bamboo extract in the ...