以黄芩甙为标样，对云南松花粉中黄酮类化合物采用甲醇回流提取，用紫外分光光度法进行测定。
Using baicalin as the standard sample, the flavone substances in pollen of Yunnan pine were determined through methyl alcohol back flow extraction and ultraviolet spectrophotometer.
应用超临界CO2萃取技术研究云南松花粉脱脂的工艺。
The productive technology of derosination of Yunnan pine pollen was developed using the supercritical CO2 extraction technique.
并且冷处理导致的不育花粉率增加，日本品种也明显高于云南品种。
The increase of the rate of sterile pollens by the treatment was more in the Japanese varieties than in Yunnan ones, too.
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