南瓜种子中的细胞分裂素。
Cytokinins in seeds of pumpkin.
机构信息
Department of Botany, University of Delhi, Delhi 7, India.
出版信息
Plant Physiol. 1970 Jan;45(1):14-8. doi: 10.1104/pp.45.1.14.
Abstract
Extracts of seeds of pumpkin (Cucurbita pepo Linn.) contain three chromatographically distinguishable cytokinins which are held on Dowex 50-W and are extractable by ethanol and n-butanol. Two of the active factors are precipitable by silver nitrate at acidic pH. The chromatographic behavior and the spectral characteristics of one of these cytokinins are similar to those of zeatin. However, the R(F) values of the other two active compounds do not match with those of any of the known natural cytokinins.
摘要
南瓜（Cucurbita pepo Linn.）种子提取物含有三种可通过Dowex 50-W 分离且可被乙醇和正丁醇提取的、具有不同色层分离特性的细胞分裂素。其中两种活性因子可在酸性 pH 下被硝酸银沉淀。这些细胞分裂素中的一种的色谱行为和光谱特征与玉米素相似。然而，另外两种活性化合物的 R(F) 值与任何已知的天然细胞分裂素都不匹配。
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