Aspartame powders for powder mixtures

Details Aspartame powders for powder mixtures Aspartame powders for powder mixtures

1999-01-04

2000-03-21

Rosenbaum, Mark

Solid material comminution or disintegration

Processes

With application of fluid or lubricant material

241 19, B00C 1912

Patent

active

060392754

ABSTRACT:
Aspartame powder for application in instant powder mixtures and instant desserts and consisting entirely or practically entirely of aspartame with a narrow particle size distribution with a d.sub.50 value in the range of from 40 to 80 .mu.m, with max. 10 wt %<20 .mu.m and max. 10 wt %>150 .mu.m; and process for the preparation, from dry or wet aspartame granules, of aspartame powder consisting entirely or practically entirely of aspartame, for application in instant powder mixtures and instant desserts, wherein granular aspartame having a moisture content of max. about 40 wt % is crushed, in dry or drying conditions at a temperature of 0-60.degree. C., or while supplying drying air having a temperature of 100-180.degree. C., in a first step in an impact mill while air is being supplied for discharging the crushed product from the mill, with drying if necessary to achieve a moisture content of less than 4 wt %, to a product in which at least 70 wt % of the particles is smaller than 150 .mu.m and reducing in a second step immediately following on the first step, the fraction of particles <20 .mu.m in the crushed product so obtained to less than 10 wt % with the aid of a fines sifter equipped with a rotary sifting wheel, in which process the air discharged from the impact mill, together with the crushed product, is supplied to the fines sifter without first separating any product out of the air discharged from the impact mill.

REFERENCES:
patent: 5358186 (1994-10-01), Kataoka et al.
patent: 5582351 (1996-12-01), Tsau
patent: 5587178 (1996-12-01), Slangen
patent: 5623079 (1997-04-01), Kataoka et al.

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