【摘要】 在黄芪组织培养产生多糖的过程中，添加不饱和酯肪酸可使酯酶同功酶谱带发生改变，同时可提高多糖含量。由此证明多糖合成的前体物质为脂肪酸。更多还原

【Abstract】 In the cultural process of Astragalus membranaceus (Fish) Bge. produce polysaccharide, the content of polysaccharide rises and the band of esterase and isoezyme changs in culture of A.membranaceus when we add insaturstion fatty acid to the culture medium, which prove insaturation fatty acid is front substance of produce polysaccharide.更多还原