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1. (WO1998031379) tXTRACT OF FRESH REHMANNIA GLUTINOSA WHICH CAN BE USED TO STIMULATE BIFIDOBACTERIUM PROLIFERATION AND PREPARATION THEREOF
Latest bibliographic data on file with the International Bureau   

Pub. No.:    WO/1998/031379    International Application No.:    PCT/CN1998/000003
Publication Date: 23.07.1998 International Filing Date: 14.01.1998
Chapter 2 Demand Filed:    04.08.1998    
IPC:
A61P 1/12 (2006.01)
Applicants: BEIJING COMPREHENSIVE INSTITUTE FOR TRADITIONAL CHINESE MEDICINE [CN/CN]; No. 13 Shuichehutong, Xinjiekou Street, Xicheng District, Beijing 100035 (CN) (For All Designated States Except US).
LUO, Yanyan [CN/CN]; (CN) (For US Only).
LI, Guanghui [CN/CN]; (CN) (For US Only).
HAO, Xiandi [CN/CN]; (CN) (For US Only).
SUO, Jianzheng [CN/CN]; (CN) (For US Only).
GONG, Tao [CN/CN]; (CN) (For US Only)
Inventors: LUO, Yanyan; (CN).
LI, Guanghui; (CN).
HAO, Xiandi; (CN).
SUO, Jianzheng; (CN).
GONG, Tao; (CN)
Agent: CCPIT PATENT AND TRADEMARK LAW OFFICE; 8th floor, 2 Fuchengmenwai Street, Beijing 100037 (CN)
Priority Data:
97 1 00261.4 16.01.1997 CN
Title (EN) tXTRACT OF FRESH REHMANNIA GLUTINOSA WHICH CAN BE USED TO STIMULATE BIFIDOBACTERIUM PROLIFERATION AND PREPARATION THEREOF
(FR) EXTRAIT DE REHMANNIA GLUTINOSA FRAICHE POUVANT ETRE UTILISE POUR FAVORISER LA PROLIFERATION DE BIFIDOBACTERIUM, ET PREPARATION DUDIT EXTRAIT
Abstract: front page image
(EN)The invention relates to a kind of Rehmannia glutinosa extract which can be used to stimulate bifidobacterium proliferation, and relates to the method of preparation of said extract. Said extract is prepared by the method below with fresh Rehmannia glutinosa or dried Rehmannia glutinosa; extract Rehmannia glutinosa with solvent; decolorize the extracted liquid with activated charcoal; centrifugalize the decolorized liquid and filtrate; vacuum concentrate the filtrate and refrigerate it; separate the supernatant of refrigerated liquid by column chromatograph or precipitate the refrigerated liquid with alcohol and collect the sediment; add water to the extract to make a solution.
(FR)L'invention a trait à un extrait de Rehmannia glutinosa pouvant être utilisé pour favoriser la prolifération de Bifidobacterium et porte sur le procédé de préparation dudit extrait. Ledit extrait est préparé selon le procédé décrit ci-dessous avec de la Rehmannia glutinosa fraîche ou de la Rehmannia glutinosa séchée. Le procédé présenté consiste à extraire de la Rehmannia glutinosa avec un solvant; décolorer le liquide extrait avec du charbon activé; centrifuger le liquide décoloré et le filtrer; concentrer sous vide le filtrat et le refroidir; séparer le surnageant du liquide refroidi par chromatographie sur colonne ou précipiter le liquide refroidi à l'aide d'alcool et collecter le sédiment; ajouter de l'eau à l'extrait pour en faire une solution.
Designated States: AL, AM, AT, AU, AZ, BA, BB, BG, BR, BY, CA, CH, CN, CU, CZ, DE, DK, EE, ES, FI, GB, GE, GH, GM, GW, HU, ID, IL, IS, JP, KE, KG, KP, KR, KZ, LC, LK, LR, LS, LT, LU, LV, MD, MG, MK, MN, MW, MX, NO, NZ, PL, PT, RO, RU, SD, SE, SG, SI, SK, SL, TJ, TM, TR, TT, UA, UG, US, UZ, VN, YU, ZW.
African Regional Intellectual Property Organization (GH, GM, KE, LS, MW, SD, SZ, UG, ZW)
Eurasian Patent Organization (AM, AZ, BY, KG, KZ, MD, RU, TJ, TM)
European Patent Office (AT, BE, CH, DE, DK, ES, FI, FR, GB, GR, IE, IT, LU, MC, NL, PT, SE)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, ML, MR, NE, SN, TD, TG).
Publication Language: Chinese (ZH)
Filing Language: Chinese (ZH)