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1. (WO2012042508) SEPARATION AND PURIFICATION OF STEVIOSIDE AND REBAUDIOSIDE A
Latest bibliographic data on file with the International Bureau   

Pub. No.:    WO/2012/042508    International Application No.:    PCT/IB2011/054319
Publication Date: 05.04.2012 International Filing Date: 01.10.2011
IPC:
C07H 15/24 (2006.01), A23L 1/236 (2006.01), B01D 11/04 (2006.01), B01D 15/26 (2006.01), B01D 9/02 (2006.01)
Applicants: SHANGHAI YONGYOU BIOSCIENCE INC. [CN/CN]; 115 Wanyong Road Langxia town, Jinshan District Shanghai 201515 (CN) (For All Designated States Except US).
LIU, Jian [CA/CN]; (CN) (For US Only).
ZHANG, Kai [CN/CN]; (CN) (For US Only).
GUO, Shen [CN/CN]; (CN) (For US Only)
Inventors: LIU, Jian; (CN).
ZHANG, Kai; (CN).
GUO, Shen; (CN)
Priority Data:
61/388,691 01.10.2010 US
13/249,773 30.09.2011 US
Title (EN) SEPARATION AND PURIFICATION OF STEVIOSIDE AND REBAUDIOSIDE A
(FR) SÉPARATION ET PURIFICATION DU STÉVIOSIDE ET DU REBAUDIOSIDE A
Abstract: front page image
(EN)A commercially viable method is provided herein for isolating and purifying steviol glycosides from a source containing said steviol glycosides The method includes the first step of passing an organic solution containing said steviol glycosides through a chromatographic column, wherein said packing media in said column has been compressed substantially to avoid voids therein, and then maintained under a pressure of up to about 1500 psi thereby to provide an organic solution containing impure stevioside derivatives.
(FR)Procédé commercialement viable pour isoler et purifier les glycosides de type stéviol à partir d'une source les contenant, ledit procédé comprenant une première étape consistant à faire passer une solution organique contenant lesdits glycosides de stéviol dans une colonne de chromatographie, le milieu de garnissage de ladite colonne ayant été sensiblement comprimé pour éliminer tous les vides, puis maintenu sous une pression pouvant aller jusqu'à environ 1500 psi pour obtenir ainsi une solution organique contenant des dérivés impurs de stéviosides.
Designated States: AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IS, JP, KE, KG, KM, KN, KP, KR, KZ, LA, LC, LK, LR, LS, LT, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW.
African Regional Intellectual Property Organization (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Organization (AM, AZ, BY, KG, KZ, MD, RU, TJ, TM)
European Patent Office (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, ML, MR, NE, SN, TD, TG).
Publication Language: English (EN)
Filing Language: English (EN)