| 摘要 |
PURPOSE: A process of preparing a Schizandra seed extract and a fraction thereof by extracting Schizandra chinensis Baillon seeds with an organic solvent is provided. Whereby, the seed extract exhibits high antioxidant power on lard oil and soybean oil and excellent antimicrobial activity against food spoilage microorganism. CONSTITUTION: Schizandra seeds are crushed, defatted and added 3 to 8 times with an organic solvent selected from water, methanol, ethanol, ethyl acetate and chloroform. Thereafter, the mixture is extracted at 70 to 95deg.C 1 to 3 times, filtered, concentrated in a rotary vacuum evaporator and freeze-dried after successively fractionating with chloroform, ethylacetate, butanol and water.
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