2 results about "ANGELICA ROOT EXTRACT" patented technology

This invention discloses an extract of *Eupatorium fortunei* and *Angelica dahurica*, its preparation method, and its application, comprising the following steps: weighing *Eupatorium fortunei* and *Angelica dahurica* at a weight ratio of 1:1-2 and setting aside; mixing the raw materials from step (1) with water at a material-to-liquid ratio of 1:10-15 (g / mL) and heating, and extracting by decoction 2-3 times; performing solid-liquid separation after each extraction in step (2), collecting the filtrates from each extraction, and mixing them for later use; concentrating and drying the mixed filtrate from step (3) to obtain the finished dry powder. The prepared dry powder has significant effects in treating inflammatory skin diseases and repairing the skin barrier.

The application discloses a compound essential oil composition for improving concentration and enhancing memory and application thereof, and belongs to the technical field of daily-use chemicals. The composition is prepared from rosemary leaf oil, musk grass oil, hot mint oil, blue eucalyptus leaf oil, white orchid leaf oil, methyl 2, 4-dihydroxy-3- (2-hydroxypropyl) benzoate, lemon peel oil, white orchid oil, calamus root extract and angelica root extract according to specific weight percentages, and is added and homogenized in steps according to the order of component viscosity and volatility. Animal experiments prove that the composition can significantly improve the space learning and memory ability of a cognitive impairment model mouse, and the escape latency and invalid exploration behavior of the mouse are significantly reduced. Human efficacy tests show that single sniffing can improve the mean value of the power spectrum density of the brain concentration related beta wave, shorten the Stroop test reaction time, reduce the error rate, and significantly improve the concentration ability. The composition can be prepared into aromatherapy liquid, massage paste and other products, and is used for safely and quickly improving concentration and cognitive function, and has significant application value.