METHOD FOR PREPARATION OF ONION PROCESS RESIDUUM EXTRACT HAVING ANTIOXIDANT AND FIBRINOLYSIS

摘要

PURPOSE: A method for preparing onion-processed by-product extract is provided to ensure high flavonoid content and excellent antioxidation and thrombolytic ability. CONSTITUTION: A method for preparing onion-processed by-product extract comprises: a step of adding acidifier to fermentation spirit at room temperature and adjusting acidity to obtain an extract solvent; a step of removing residual contaminant and selecting and washing raw ingredients; a step of mixing the raw ingredients with an extract solvent to obtain extract; a step of collecting supernatant and compressing in vacuum to obtain concentrate; and a step of drying the concentrate and formulating in powder. The acidifier is citric acid, tartaric acid, malic acid, lactic acid, or gluconic acid.