Platycodon grandiflorum

Based on botanica characters, phenophase, yield and content of active constituents, the erect and fallen types of platycodon grandiflorum were compared.

从植物学特征性、物候期、产量和有效成分含量等方面对直立和倒伏型桔梗进行了比较。

Treated with polyethylene glycol the seeds of some medicinal crops such as Atropa belladonna, Salvia miltiorrhiza, Agrimonia pilosa var. japonica, Chelidonium majus, Platycodon grandiflorum* can be induced to sprout earlier and faster.

播种前用PEG处理颠茄、丹参、龙芽草、白屈菜、桔梗等药用植物种子，可使种子提前发芽，不仅发芽整齐，而且可提高发芽率。

In this work, we investigated the seed traits, agronomic traits and effective components of white and purple flower Platycodon grandiflorum.

本研究以紫花桔梗白花桔梗为材料，调查了种子性状、地上部主要农艺性状、根部性状及有效成分含量。

The optimizations of processing parameters for clarification juice of balsam pear and Platycodon grandiflorum were ascertained.

以苦瓜、桔梗为实验原料,研究苦瓜桔梗复合饮料的加工工艺.

Objective : To study quality test, and establish quality classification standard of Platycodon grandiflorum.

目的: 研究桔梗种子的检验方法和质量分级标准.

Objective : To determine the self-compatibility of Platycodon grandiflorum and the location of microspore germination on stigma.

目的: 确定桔梗的自交亲和性及花粉粒在柱头上的萌发部位.

method: glycyrrhiza uralensis, platycodon grandiflorum and echinaceae purpurea were identified by tlc, and the content of glycyrrhizic acid and cichoric acid were determined by hplc.

方法：用薄层色谱法鉴别甘草、桔梗、紫花松果菊，用高效液相色谱法测定甘草酸和菊苣酸的含量。