2 results about "Wormwood extract" patented technology

The application discloses a sweet wormwood extract, a preparation method and application thereof and a sweet wormwood extract veterinary drug, and the method comprises the following steps: S1, heating and extracting sweet wormwood byproducts with an extraction solvent, filtering, discarding the filtrate, and obtaining an intermediate product filter cake; S2, concentrating the intermediate product filter cake to a constant weight; S3, heating and extracting the constant weight obtained in the step S2 with deionized water, filtering, and taking the filtrate; S4, concentrating the filtrate obtained in the step S3 to a constant weight, and obtaining the sweet wormwood extract. The application provides a sweet wormwood extract and a preparation method thereof, and provides a veterinary drug based on the sweet wormwood extract; the veterinary drug obtained by the application can clear heat, resolve summer-heat, and relieve deficiency heat, and can be used for treating various livestock and poultry diseases; the preparation method is simple, easy to operate, raw materials are easy to obtain, production cost is low, and the application has a good market application prospect.

The application relates to the field of fragrance preparation technology and discloses a layered slow-release fragrance based on wormwood essence and a preparation method thereof. The preparation raw materials of the fragrance include deionized water, polyethylene glycol 400, urea, tannic acid, triethanolamine, poloxamer 407, isopropyl myristate and an acidic eutectic solvent and wormwood extract complex. The preparation method comprises the following steps: dissolving water phase raw materials at low temperature, adding poloxamer 407 and the like to form a liquid precursor through hydration assembly; then pumping in an acidic complex to break the weak alkaline balance of the system, so that the tannic acid restores crosslinking activity and in-situ hydrogen bond crosslinking with the polymer; and finally, a heat-induced phase change is caused through controlled temperature rise to form a gel skeleton. Through in-situ construction of a stable multi-level crosslinking network, volatile components are effectively locked, the technical problems of easy volatilization loss of wormwood extract and easy phase separation of a multi-component system are solved, and smooth and long-lasting release of fragrance components is realized.