β-Glucan (P-BGBL, P-BGCFA, P-MWBGS, P-BGOH, P-BGOM, P-BGYST)
Heating to 80˚C would be acceptable. You could expect some depolymerisation at higher temperatures but this
will be minimal if pH is neutral and time is sh...
Tue, 22 Mar, 2016 at 2:27 PM
The MW’s
were determined by Multiangle laser light scattering technique.
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Fri, 1 Apr, 2016 at 10:54 AM
The MW's
were determined by the HPLC, MALLS (Multi Angle Laser Light Scattering)
procedure. You can get the full
information from our P-MWBGS bookl...
Tue, 22 Mar, 2016 at 2:30 PM
Barley
beta-glucan lot 30108 would contain about 3-4% arabinoxylan (this was produced
in 1993). Material supplied post 1995 contains
< 0.5% ara...
Fri, 1 Apr, 2016 at 10:55 AM
The
products we supply are all mixed linkage and were all prepared from the same
barley β-glucan by controlled depolymerisation. The ratio of 1-3- to 1-4-...
Fri, 1 Apr, 2016 at 10:55 AM
The
content of 1,3 bonds in barley beta-glucan is about 32% (from literature). We would not expect this to change much (if
at all) over different batches....
Fri, 1 Apr, 2016 at 10:55 AM
MW
Standards were prepared by depolymerisation of high MW beta-glucan, and the MW
determined. The FIA standard is a low MW
beta-glucan which has been fr...
Tue, 22 Mar, 2016 at 2:35 PM
The
substrates are enzymically treated to yield the required viscosity (20 ~ 30
cSt). Modification of the viscosity of
beta-glucan is required for IOB v...
Tue, 22 Mar, 2016 at 2:14 PM
Yes, the
differences in viscosity are due to molecular weight differences.
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Fri, 1 Apr, 2016 at 10:56 AM
We
suggest that you dry the β-glucan powders further in a vacuum oven at about
50˚C. This will lower the moisture
content to approximately 1-2%.
...
Tue, 22 Mar, 2016 at 2:21 PM