Medicinal plants extract using processing of herbal medicine and composition of skin external application comprising the same

Patent metadata

Field	Value
Publication number	US-9775870-B2
Application number	US-201615093089-A
Country	US
Kind code	B2
Filing date	Apr 7, 2016
Priority date	May 2, 2008
Publication date	Oct 3, 2017
Grant date	Oct 3, 2017

Abstract

The present invention relates to an extract of a processed herbal medicinal plant and a composition for skin external application which contains the extract. More specifically, the composition for skin external application contains an extract of processed herbal medicinal plant, prepared through a method comprising the steps of: (a) processing an herbal medicinal plant by a process of boiling, steaming, roasting, baking or heating the medicinal plant or a combination of two or more of these processes; (b) obtaining an extract of the processed medicinal plant. The composition shows an improved antioxidant effect.

First claim

The invention claimed is:

1. A method of preparing a medicinal plant extract using Chinese herbal medicine processing, comprising the steps of:
(a) processing at least one medicinal plant by honey-roasting the at least one medicinal plant to obtain a processed plant material;
(b) drying the processed plant material before step (c); and
(c) obtaining extracts of the at least one medicinal plant from the processed plant material using ethanol,
wherein the honey-roasting comprises mixing the medicinal plant with honey, and roasting the medicinal plant at 100-160° C. for 10 minutes to 1 hour,
and wherein the at least one medicinal plant in the step (a) is at least one selected from the group consisting of Rehmanniae radix , dried ginger, Lycii fructus, Lonicera japonica flower, Chrysanthemum indicum, Phaseolus aureus, Citrus grandis, Datura stramonium, Codonopsis pilosulae radix, Akebiae caulis, Mentha arvensis, Pulsatilla koreana root, Santalum album, Hedyotis diffusa, Atractylodes macrocephala rhizome, Luffa cylindrica, Zizyphi spinosi semen, Dichroa febrifuga, Agrimonia pilosa ledebour, Linderae radix, Polygonatum odoratum root, Euphoria longana testa, Genkwa flos, Epimedium koreanum, Angelica acutiloba root, Cnidium officinale, Adenophora triphylla , red cabbage, Sanguisorba officinalis, Sorbus commixta cortex, Asparagus cochinchinensis, Celosiae semen, Smilacis chinae radix, Medulla tetrapanacis, Polygonum multiflorum tuber, Armeniacae semen, Scrophulariae radix, Corydalis turtschaninovii, Cucurbita spp., and Lindera obtusiloba branch.

2. The method according to claim 1 further comprising:
(d) concentrating the extracts of the at least one medicinal plant.

3. The method according to claim 2 , wherein the concentrating of step (d) occurs under reduced pressure.

Assignees

• Amorepacific Corp

Inventors

• Park Jun Seong
• Park Hye Yoon
• Kim Dong Hyun
• Moon Eun Jeong
• Chung Ji Hye
• Lee Jae Kyoung
• Kim Duck Hee
• Kim Han Kon

Classifications

• A61P39/06

  Free radical scavengers or antioxidants · CPC title

• A61P25/00

  Drugs for disorders of the nervous system · CPC title

• A61P29/00

  Non-central analgesic, antipyretic or antiinflammatory agents, e.g. antirheumatic agents; Non-steroidal antiinflammatory drugs [NSAID] · CPC title

• A61P31/04

  Antibacterial agents · CPC title

• A61P35/00

  Antineoplastic agents · CPC title