| 摘要 |
<P>PROBLEM TO BE SOLVED: To find the functionality of helping preventing dementia in field wasabi's unused leaves and stalks. <P>SOLUTION: A field wasabi extract having the effect of inducing the production of a nerve growth factor effective on dementia is provided, being obtained by the following process: The leaves and stalks parts of field wasabi are entirely dried so as not to set the pungent-taste ingredient of the field wasabi free followed by subjecting the thus dried leaves and stalks parts to enzyme deactivation by heating, homogeneous powdering, solvent extraction in an anhydrous condition, centrifugation and membrane filtration, and concentration under reduced pressures. <P>COPYRIGHT: (C)2007,JPO&INPIT |
