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Total fat - NMR system?


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#1 poppysnoss

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Posted 17 July 2017 - 01:46 PM

Hi All.

 

We are thinking about changing our current acid hydrolysis and sohxlet principle total fat method onto something a bit more efficient. I've looked at NIR, but am thinking that NMR might be best as we analyse foods of different matrices such as ready meals and individual components of these.

 

Does anyone have experience of NMR systems that they would be happy to recommend or equally advise to avoid? I don't have experience of such and would have to take into account saleman talk etc so it would be great to hear what people who actually use the kit think.

 

Many thanks

 

Pops


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#2 Charles.C

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Posted 17 July 2017 - 02:49 PM

Hi All.

 

We are thinking about changing our current acid hydrolysis and sohxlet principle total fat method onto something a bit more efficient. I've looked at NIR, but am thinking that NMR might be best as we analyse foods of different matrices such as ready meals and individual components of these.

 

Does anyone have experience of NMR systems that they would be happy to recommend or equally advise to avoid? I don't have experience of such and would have to take into account saleman talk etc so it would be great to hear what people who actually use the kit think.

 

Many thanks

 

Pops

 

Hi Pops,

 

It probably costs a small fortune unless times have changed


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Kind Regards,

 

Charles.C


#3 poppysnoss

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Posted 18 July 2017 - 08:33 AM

Yes, these things generally do. Times haven't changed that much in that respect.... :smile:


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#4 MuffinMan

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Posted 18 July 2017 - 03:10 PM

Hi Pops,

 

We actually use NMR to measure total fat/oil in dry baking mixes.  What we have learned is each product will probably need it's own calibration which is time consuming to initially set up.  Good news is that once the calibrations are set up, you shouldn't have to mess with them again.  We looked at two systems, one made by Bruker and the other made by Oxford.  We ended up purchasing the Oxford system because the reproducibility and accuracy were better for our products.  Hope this helps.


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#5 Fishlady

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Posted 18 July 2017 - 03:30 PM

I had previously used SmartTrac by CEM and had good success.  As MuffinMan noted above, it does take a while to set up the programs, but after that the analyses take only minutes.


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