Dicranostigma leptopodum extract and extraction method and application thereof

The invention relates to dicranostigma leptopodum extract and an extraction method and application thereof. Based on researches on the antimicrobial activity and active ingredients of dicranostigma leptopodum, it is found that the dicranostigma leptopodum extract has remarkable inhibitory activity for various plant pathogens and has the potential to prepare a plant antibacterial agent as an effective ingredient. Meanwhile, it is also found that the dicranostigma leptopodum extract contains multiple effective ingredients with magnoflorine as a majority. The invention further provides a method and process for quickly gathering the effective ingredients in the dicranostigma leptopodum. 本发明涉及种秃疮花提取物及其提取方法与应用。本发明基于对秃疮花抗菌活性及其活性成分的研究，发现秃疮花提取物对多种植物病原具有显著的抑制活性，具有作为有效成分用于制备植物抗菌剂的潜力。同时，该发明还发现秃疮花提取物中含有以木兰花碱为主的多个有效成分，并提供了种快速富集秃疮花中有效成分的方法和工艺。