To maintain the proper flow properties of powders
and prevent caking of powders, the following
methods are available; (a) drying to low moisture
content, (b) treatment of the powders at low
humidity atmospheres and packaging in high barrier
packages, (c) storage at low temperatures, (d) in
package desiccation, (e) agglomeration, and (f)
addition of anti-caking agents. Anti-caking agents
are food ingredients added to hygroscopic powders
to improve their flow ability and inhibit caking.
Main food-grade anti-caking agents are silicon
dioxide, silicates and sterates, phosphates and
polysaccharides (Peleg and Hollenbach, 1984).
To maintain the proper flow properties of powdersand prevent caking of powders, the followingmethods are available; (a) drying to low moisturecontent, (b) treatment of the powders at lowhumidity atmospheres and packaging in high barrierpackages, (c) storage at low temperatures, (d) inpackage desiccation, (e) agglomeration, and (f)addition of anti-caking agents. Anti-caking agentsare food ingredients added to hygroscopic powdersto improve their flow ability and inhibit caking.Main food-grade anti-caking agents are silicondioxide, silicates and sterates, phosphates andpolysaccharides (Peleg and Hollenbach, 1984).
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