Dear Najma
You neeed to determine asch and protein in the residue 
Best regards
Elizabete Wenzel

Enviado do meu iPhone

> Em 25/05/2015, às 04:12, Najma Memon <[log in to unmask]> escreveu:
> 
> Dear all,
> 
> we are working on determination  of  dietary fiber by Prosky method. It says that after enzymatic treatment, weigh the residue and calculate the difference by subtracting ash and protein.
> 
> Do we need to determine ash and protein of residue after all enzymatic treatments or it is fine to subtract protein and ash values obtained for whole food?
> 
> Thank you in advance.
> 
> Dr. Najma Memon,
> Associate Professor
> NCE in Analytical Chemistry,
> University of Sindh, Jamshoro,
> Sindh, Pakistan
> Editor: Pakistan Journal of Analytical and Environmental Chemistry
> Associate Editor: Journal Chemical society of Pakistan
> Tel: +92(22)9213429
> Fax:+92(22)9213431
> 
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