Main > PHARMA. > Phyto-Extracts. > Valeriana Officinalis L. > Patent. > Claims > Claim 1: Root Extract Prepn Process > Add Roots to Ethanol (50-100% v/v) > & Water (Bal.) Mixt.; Heat to 70-80

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& Water (Bal.) Mixt.; Heat to 70-80's subsections
C for>2 Hours; Wherein

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