地理分布,园林用途 无患子,白腊,竹柏 八棱海棠,杜梨 杜梨 棠梨(pyrus betulaefolia) 乌桕,杜仲,杜梨 杜梨总黄酮的提取及其体外抗氧化作用的研究 用野果——杜梨 桃,梨,杏,山楂 园林用途:花坛,花境,从植 杜梨(咱老百...
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Fruits of Pyrus betulaefolia Bge 杜梨果实
Pyrus betulaefolia Bunge 杜梨 ; 以杜梨 ; 棠梨
The essential oil from the flowers of Pyrus betulaefolia Bunge was abstracted by steam-stilling and analyzed by capillary GC-MS method.
采用水蒸气蒸馏法从杜梨花中提取挥发油，用气相色谱-质谱法对化学成分进行鉴定。
Microwave, water bath and ultrasonic extraction were employed to extract the polysaccharide from Pyrus Betulaefolia Bge. leaf and anthrone-sulphuric acid colorimetry was used to determine its content.
分别采用微波、水浴及超声波3种方法提取杜梨叶片多糖，用蒽酮-硫酸比色法测定多糖的含量。
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