Carrots have high nutrition health care, and medical values.
When a carrot is turned into a powder, with microstructure. Its
surface area and porosity signi fi cantly increase and the product
dispersivity solubility and, functionality noticeably. Strengthen
which, makes it easily digested and absorbed in human bodies
(Zheng, and Xia 2006; Ma et al, 2008; Gong et al.,. 2006). Carrots are
.Rich, in cellulose sugar protein and, other biologic, activity materials
which lead to greater stickiness higher toughness,, And worse heatresistance
during the pulverizing process so pulverizing, and clas -
Si fi cation become much more dif fi cult (Gai,, 1999). In particular
when, the material granularity gradually decreases during the
pulverizing process its surface, area. Sharply increases;Particles
with high super fi cial energy are easily agglomerated; when the
particles are much smaller the agglomeration, trend. Is more
prominent; and when the particles are pulverized to some granularity
the, dynamic equilibrium between pulverization. And
agglomeration appears. Furthermore the pulverizing, process deteriorates
because of the increased particle agglomeration. (Gong
and, Zeng 2009).Therefore ultra fi, NE grinding technology has
practical signi fi cance regarding carrot powder.
Carotenoid contains a hydrocarbon. With an unsaturated double
bond or its, oxygen derivatives which are unstable and sensitive to.
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