Slow-released dosage form of sodium ferulate and preparation process thereof

The present invention uses hydroxypropyl methylcellulose or glycerol behenate as slow-seleased auxiliary material, and adopts tableting process and solid dispersion technique to make sodium ferulate into various slow-released dosage forms whose slow-releasing effect can be up to 12-24 hr, so as to reduce frequency of administration and make blood medicine concentration retain smoothly and stably in longer time.