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Induction of Elaeagnus mollis Callus on Medium with Portulaca oleracea Polysaccharides
Author(s): DU Zhen, MU Zuo, WU Yinyu, ZUO Guiqin
Pages: 610-
614
Year: 2010
Issue:
3
Journal: Acta Botanica Boreali-Occidentalia Sinica
Keyword: Elaeagnus mollis; callus; Portulaca oleracea; polysaccharides; browning;
Abstract: 采用传统热浸提工艺,从马齿苋植株中提取多糖.以B1培养基为基础,通过添加0.15 g/L的抗褐变剂Vc及不同浓度的马齿苋多糖,研究了其对翅果油树愈伤组织培养的抗褐变作用.结果显示:(1)马齿苋多糖对愈伤组织培养中的褐变有一定缓解作用.(2)经筛选,得到0.19 g/L为最适的多糖添加物浓度,子叶愈伤组织产生生物量最多,抗褐变效果与Vc的作用相似,愈伤组织生命周期也明显缩短.
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