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公开(公告)号：US20180273647A1
公开(公告)日：2018-09-27
申请号：US15521436
申请日：2015-10-30
发明人： Sascha ROLLIE , Christoph ZIEGLER , Florian LEHR , Tobias KÄPPLER , Andrea SEIBERT , Thomas LETZELTER , Andreas WEBER , Stephan FREYER , Georg GROSSMANN , Burkhard Ernst
IPC分类号： C08B37/00
CPC分类号： C08B37/0024 , C08B37/0003
摘要： The presently claimed invention relates to a method for concentrating a beta-glucan comprising at least the following steps: (a1) contacting an aqueous beta-glucan solution having a concentration [c1] with at least one precipitating agent p1 to obtain a precipitated beta-glucan in a solvent mixture comprising water and the at least one precipitating agent p1; (b1) separating the precipitated beta-glucan from the solvent mixture comprising water and the at least one precipitating agent p1 to obtain a precipitated beta-glucan having a concentration [c2]; and (c1) applying force to the precipitated beta-glucan of (b1) to obtain a precipitated beta-glucan having a concentration [c3].
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公开(公告)号：US20170362619A1
公开(公告)日：2017-12-21
申请号：US15532873
申请日：2015-12-02
发明人： Sascha ROLLIE , Tobias KÄPPLER , Carsten SCHWALB , Florian LEHR , Andrea HLUBEK , Jörg THERRE , Christian FLECK , Thomas LETZELTER , Stephan FREYER , Andrea HEROLD , Hansjörg RETTENMAIER , Bernd LEONHARDT
CPC分类号： C12P19/04 , B01D61/147 , B01D2315/10 , C08B37/0024
摘要： The presently claimed invention is directed to a method for the preparation of an aqueous solution comprising at least one beta-glucan comprising at least the steps of a) fermentation of at least one fungal strain in an a fermentation broth, b) addition of at least one acid to the fermentation broth to adjust the pH to a value in the range of ≧2.0 to ≦4.0 and c) filtration of the fermentation broth to obtain an aqueous solution comprising the at least one beta-glucan and at least one beta-glucan that is obtained by this method.
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