Health-care purple sweet potato and Chinese yam biscuits and preparation method thereof
A health-care biscuit and yam technology, which is applied in baking, dough processing, baked food, etc., can solve the problems of high sugar content, purple sweet potato yam biscuits are not comprehensive in nutrition, and have no health care effect, so as to promote liver glycogen Synthesis, inhibition of streptococcus growth and acid production, prevention of dental caries and dental plaque
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[0032]The preparation method of apple dietary fiber is as follows: get the remaining apple pomace of squeezing apple juice, adjust its water content to be 30-40%, sterilize, then inoculate Lactobacillus bulgaricus (3-5*10 8 Individual / ml) 2%, Streptococcus thermophilus (8-9*10 8 Individual / ml) 3% and Trichoderma viride (8-9*10 8 Individual / ml) 1.5%, the temperature is 30 degrees, fermented for 6h, sterilized, and finally the dietary fiber in the fermented product is extracted by microwave. For microwave extraction, the microwave power is 500W, the pH value is 2, the solid-liquid ratio is 1:20, the microwave treatment time is 150s, and then dried and ultrafinely pulverized to obtain apple dietary fiber.
[0033] The product yield is 93.2%, the TDF content is 95.67%, and the SDF content is 30.94%.
[0034] The preparation method of papaya dietary fiber is as follows: get the remaining papaya dregs of squeezing papaya juice, adjust its water content to be 30-40%, sterilize, the...
Embodiment 1
[0040] A purple sweet potato yam health biscuit, in parts by weight, the purple sweet potato yam health biscuit is made of the following raw materials: 50 parts of purple sweet potato powder, 30 parts of yam powder, 20 parts of composite dietary fiber, 30 parts of vegetable oil, white sugar 8 parts, 5 parts of xylitol, 10 parts of eggs, 15 parts of water and 2 parts of leavening agent, described composite dietary fiber is made of apple dietary fiber, papaya dietary fiber and bamboo shoot dietary fiber of 3:1:1 by weight ratio Composition, the leavening agent is the mixture of sodium carbonate and yeast powder in a weight ratio of 2:3.
[0041] Its preparation method comprises the following steps:
[0042] (1) Raw material preparation: peel and dry the raw materials of purple sweet potato and yam, and then grind them to obtain purple sweet potato powder and yam powder of 50-60 mesh;
[0043] (2) Kneading dough: mix purple sweet potato powder, yam powder and compound dietary fi...
Embodiment 2
[0047] A purple sweet potato yam health biscuit, in parts by weight, said purple sweet potato yam health biscuit is made of the following raw materials: 70 parts of purple sweet potato powder, 45 parts of yam powder, 25 parts of composite dietary fiber, 20 parts of vegetable oil, white granulated sugar 5 parts, 4 parts of xylitol, 10 parts of eggs, 15 parts of water and 2 parts of leavening agent, described composite dietary fiber is made of apple dietary fiber, papaya dietary fiber and bamboo shoot dietary fiber of 3:1:1 by weight ratio composition. The leavening agent is a mixture of sodium carbonate and yeast powder in a weight ratio of 2:3. Its preparation method is identical with embodiment 1, does not describe again.
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