Separation and enrichment method for extracting wheat bran aleurone-layer contents by pure physical method
A technology for separation, enrichment and content, applied in the field of separation and enrichment, can solve the problems of increasing energy consumption of separation, achieve the effect of retaining nutrients and reducing losses
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Embodiment 1
[0026] A purely physical method for separating and enriching the content of the wheat bran aleurone layer, comprising the following steps:
[0027] (1) Pre-crushing:
[0028] The wheat bran after washing and airing was pre-crushed for 3 minutes by a traditional Chinese medicine pulverizer, and the pulverized bran was collected, and 40-mesh sieve was carried out with a standard vibrating sieve machine, and the sieved material was taken;
[0029] (2) Wetting-pre-drying treatment:
[0030] Spray deionized water into the above pre-crushed wheat bran to make the moisture content reach 15%, place it in a vacuum drying oven, keep it fully soaked in an environment of 20°C, and the vacuum degree is -0.04 to -0.07MPa;
[0031] Then pre-dry the wet wheat bran until the water content reaches 8-10%, and then use microwave drying for 5 minutes, microwave power 1.0kW, drying temperature 90°C;
[0032] (3) Gradient freezing treatment:
[0033] The above-mentioned pre-dried wheat bran was p...
Embodiment 2
[0040] A purely physical method for separating and enriching the content of the wheat bran aleurone layer, comprising the following steps:
[0041] (1) Pre-crushing:
[0042] The wheat bran after washing and airing was pre-crushed for 3 minutes by a traditional Chinese medicine pulverizer, and the pulverized bran was collected, and 40-mesh sieve was carried out with a standard vibrating sieve machine, and the sieved material was taken;
[0043] (2) Wetting-pre-drying treatment:
[0044] Spray deionized water into the above pre-crushed wheat bran to make the moisture content reach 15%, place it in a vacuum drying oven, keep it fully soaked in an environment of 20°C, and the vacuum degree is -0.04 to -0.07MPa;
[0045] Then pre-dry the wet wheat bran until the water content reaches 8-10%, and then use microwave drying for 5 minutes, microwave power 1.0kW, drying temperature 90°C;
[0046] (3) Gradient freezing treatment:
[0047] The above-mentioned pre-dried wheat bran was p...
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