New aqueous two phase system comprising polyethylene glycol and xanthan.
A new aqueous two phase system comprising polyethylene glycol and xanthan is reported together with its phase diagram. The phase composition of the bottom phase did not vary (PEG 1.6-1.8% w/w; xanthan 0.24-0.28% w/w) while that of the top phase varied significantly (PEG 4-5% w/w, xanthan 0.05-1.37% w/w). Unlike conventional aqueous two phase systems, the viscosity of the top phase is also high and values are comparable to that of the bottom phase. When BSA was used as a model protein, it partitioned entirely into the bottom phase.
Chethana
S
S
Department of Food Engineering, Central Food Technological Research Institute, 570 020, Mysore, India.
Rastogi
N K
NK
Raghavarao
K S M S
KS
D000818:Animals; D002417:Cattle; D011092:Polyethylene Glycols / Q000737:chemistry*; D011135:Polysaccharides, Bacterial / Q000737:chemistry*; D012710:Serum Albumin, Bovine / Q000737:chemistry; D012997:Solvents / Q000737:chemistry*; D014783:Viscosity; D014867:Water / Q000737:chemistry*
D011135:Polysaccharides, Bacterial; D012997:Solvents; D014867:Water; D012710:Serum Albumin, Bovine; D011092:Polyethylene Glycols; C002563:xanthan gum