Guest guest Posted January 1, 2004 Report Share Posted January 1, 2004 Hi Penny, > Duncan - I hope I haven't missed the answer somewhere, but what is FOS? > (Its in the probiotic I am presently taking). Thanks. Penny FOS is fructo-oligosaccharide, a subset of inulin, with shorter chains of 3 to 30 sugar molecules. When FOS is made this averages about chain length 3 or 4, so not much of it is over 4 or 5. Many bacteria can use this type of long-chain sugar up to and including 4, less so on 5. FOS also contains 10% or more sugar in the form of monosaccharides and disaccharides, which of course feed yeast. Duncan Crow Quote Link to comment Share on other sites More sharing options...
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