Antiviral powder, antiviral extract, and pharmaceutical...

Details Antiviral powder, antiviral extract, and pharmaceutical... Antiviral powder, antiviral extract, and pharmaceutical...

A - Human Necessities

61

K

A61K 36/22 (2006.01) A61K 36/185 (2006.01) A61P 31/18 (2006.01) A61K 35/78 (1995.01)

Patent

CA 2158652

An antiviral powder originating in a medicinal plant having an antiviral activity is prepared by rapidly heating the plant immediately after being harvested to deprive the same of the enzymatic activity, drying the deactivated plant at low temperature, and pulverizing the same after the rapid heating or low-temperature drying. An antiviral extract is prepared by extracting the powder with hot water or a lower alcohol. A pharmaceutical preparation containing the powder and the extract each in an effective dose is utilized especially as a powder. Examples of the medicinal plant include young leaves of lacquer tree and flowers of Japanese elm.

Selon l'invention, on prépare une poudre antivirale à partir d'une plante médicinale en chauffant ladite plante juste après sa récolte pour supprimer son activité enzymatique, puis en séchant la plante désactivée à basse température, ladite plante étant pulvérisée soit après l'opération de chauffage rapide, soit après l'opération de séchage à basse température. On obtient l'extrait antiviral en soumettant la poudre à une extraction au moyen d'eau chaude ou d'un alcool inférieur. Une préparation pharmaceutique contenant la poudre et l'extrait sont utilisés en une dose efficace, notamment sous la forme d'une poudre. Parmi les plantes médicinales concernées par l'invention, figurent les jeunes feuilles de sumac et des fleurs d'orme du japon.

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