Technique for producing new type health beer-dietary fiber beer
A dietary fiber and production process technology, applied in the direction of beer brewing, etc., to achieve the effect of convenient operation and low loss of polydextrose
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[0009] A. Determination of polydextrose content in dietary fiber beer.
[0010] 1. Drawing of glucose standard curve
[0011] Weigh 0.25g of glucose, dilute to 250ml with ultrapure water, then dilute to 20μg / ml, 30μg / ml, 40μg / ml, 60μg / ml, 80μg / ml and 100μg / ml, and then take 0.5ml of different concentrations 1.0mL phenol solution into a 25ml stoppered bottle, slowly add 5.0ml concentrated sulfuric acid, oscillate while adding, make it fully mixed, let it stand at room temperature for 30min, use pure water instead of glucose solution as a blank, Measure its absorbance (OD value) at 490nm. Finally, the concentration of the glucose solution is taken as the abscissa, and the OD value is drawn as the ordinate to form a glucose solution standard curve.
[0012] 2. Sample determination
[0013] Determination of polydextrose content in beer by phenol-sulfuric acid method: take 0.5ml beer dilution sample solution, the concentration of beer after dilution can be controlled by the OD v...
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