Rice skin powder and production technology thereof
A production process, the technology of rice husk powder, applied in the field of grain processing, can solve the problem of wasting resources and so on
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Embodiment 1
[0024] The present embodiment discloses a rice skin powder and a production process thereof, comprising the following steps,
[0025] A. Send the paddy into the hulling machine for shelling;
[0026] B, pass the paddy that has been husked through step A into a gravity paddy separation sieve to obtain brown rice;
[0027] C, the brown rice in the preferred step C is milled for the first time, milled for the second time and milled for the third time respectively, and the powder obtained by the milling for the third time is primary powder;
[0028] D. Sifting the primary powder obtained in step C to obtain rice skin powder.
[0029] In this embodiment, the three milling processes are consistent, that is, the brown rice is successively fed into three emery roller rice mills for three millings. For the first milling, the obtained powder is more yellow, mostly chaff; for the second milling, the powder obtained is slightly yellow, mainly the peel; for the third milling, the powder ...
Embodiment 2
[0037] The main difference from Example 1 is that the number of mesh sieved in step D of this example is 60 mesh. The rice skin powder that described step D obtains is further dried. Reduce the moisture content in the rice peel powder, prevent the rice peel powder from agglomerating during storage and transportation, prevent the rice peel powder from deteriorating and becoming moldy, benefit the obtaining of high-quality rice peel powder, and prolong the storage time of the rice peel powder. The rice skin powder in the step D is passed into a fluidized bed for drying, and the drying temperature is 50-60° C., and the moisture in the rice skin powder is 8% from 13% by mass, and the moisture content in the rice skin powder is strictly controlled to prevent The rice skin powder is agglomerated and moldy. After passing through the fluidized bed, the rice skin powder is loose and uniform, and the seed coat, aleurone layer and endosperm in the rice skin powder are further uniformed t...
Embodiment 3
[0042]The main difference from Example 1 is that the number of mesh sieved in Step D of this example is 80 mesh. In this embodiment, the rice skin powder obtained in step D is subjected to continuous microwave heating, and the process conditions of microwave treatment are: 560W microwave treatment for 45s. After microwave stabilization, the mass percentage of rice skin powder moisture decreased from 14% to 7%. At the same time, it destroyed the lipolytic enzymes present in the transverse cell layer of the seed coat, and also eliminated microorganisms. Microorganisms mainly include bacteria, actinomycetes, and molds. , saccharomyces, phytopathogenic fungi, etc., therefore, the rice skin powder obtained in this embodiment can prevent lipolytic enzymes from contacting the fat in the aleurone layer and the germ, causing the rice skin powder to rot with oleic acid, and eliminating the fat in the rice skin powder Microorganisms can prevent the rice skin powder from agglomerating and...
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