Concentrated Rugulose Elsholtzia herb powder and preparation method and application thereof

The invention discloses concentrated Rugulose Elsholtzia herb powder and a preparation method and application thereof. The concentrated Rugulose Elsholtzia herb powder is prepared from a Rugulose Elsholtzia herb raw material through the preparation steps of pretreatment, primary extraction, concentration, sterilization and secondary extraction. The preparation method specifically comprises the steps that acquired raw Rugulose Elsholtzia leaves are withered, rubbed, air-dried and cut into shreds with the width of 1-2 cm, the shreds are arranged in an extraction tank, 8-10 times of water is added by weight, extraction is performed at the temperature of 85-90 DEG C for 3-5 hours, an extracting solution is obtained through filtration, a concentrated solution is obtained through concentration,and sterilization and extraction are performed to obtain a target product. The Rugulose Elsholtzia herb powder is processed by adopting a concentration and extraction technology, the raw materials are withered and rubbed befo