Production method of purple sweet potato residue dietary fibers
A production method and technology of dietary fiber, applied in the field of production of dietary fiber from purple sweet potato dregs, can solve the problems of low product quality and achieve the effects of environmental protection, good economic and social benefits, and high quality
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Embodiment 1
[0020] A kind of production method of purple sweet potato dregs dietary fiber mainly adopts the following steps:
[0021] A. Raw material pretreatment: crush purple sweet potato dregs and red sweet potato dregs, the weight ratio of purple sweet potato dregs and red sweet potato dregs is 1:1, the crushing particle size is 40 mesh, and then add purple sweet potato dregs and red sweet potato dregs 10 times the weight After fully stirring, let it stand for 3.5 hours to remove the potato skins and sundries floating on the upper layer;
[0022] B. Starch gelatinization, hydrolysis, and saccharification: the purple sweet potato dregs and red sweet potato dregs after impurity removal treatment are kept at 85°C for 30-40 minutes, and the purple sweet potato dregs and red sweet potato dregs are first gelatinized, and then cooled to 62°C , add α-amylase to hydrolyze for 1-2 hours according to the weight of purple sweet potato dregs and red sweet potato dregs, cool the material after enzy...
Embodiment 2
[0031] A kind of production method of purple sweet potato dregs dietary fiber mainly adopts the following steps:
[0032] A, raw material pretreatment: crush purple sweet potato residue and potato residue, the weight ratio of purple sweet potato residue and potato residue is 2:1, and the crushing particle size is 35 mesh, then add purple sweet potato residue and potato residue 10 times the weight of water, After fully stirring, let it stand for 3.5 hours to remove the purple sweet potato skin, potato skin and sundries floating on the upper layer;
[0033] B. Starch gelatinization, hydrolysis, and saccharification: the purple sweet potato dregs and potato dregs after impurity removal treatment are kept at 85°C for 38 minutes, and the purple sweet potato dregs and potato dregs are first gelatinized, and then cooled to 65°C, press purple sweet potato Add α-amylase to hydrolyze 1% of the weight of dregs and potato dregs for 2 hours, cool down the enzymatically hydrolyzed material ...
Embodiment 3
[0042] A kind of production method of purple sweet potato dregs dietary fiber mainly adopts the following steps:
[0043] A. Raw material pretreatment: crush purple sweet potato dregs and bean dregs, the weight ratio of purple sweet potato dregs and bean dregs is 3:1, the crushing particle size is 40 mesh, then add water 9 times the weight of purple sweet potato dregs and bean dregs, and stir well Let it stand for 4 hours, remove the purple sweet potato skin, soybean skin and sundries floating on the upper layer;
[0044] B. Starch gelatinization, hydrolysis, and saccharification: the purple sweet potato dregs and bean dregs after impurity removal treatment are kept at 85°C for 35 minutes, and the purple sweet potato dregs and bean dregs starch are gelatinized first, and then cooled to 65°C. Add α-amylase to hydrolyze 1.3% of the weight of bean dregs for 2 hours, cool the material after enzymolysis to 60°C, adjust the pH value to 5.5, add glucoamylase to 1% of the weight of th...
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