Health-care purple sweet potato and Chinese yam biscuits and preparation method thereof

Abstract

The invention relates to health-care purple sweet potato and Chinese yam biscuits and a preparation method thereof. The health-care purple sweet potato and Chinese yam biscuits are prepared from the following raw materials in parts by weight: 50-80 parts of purple sweet potato powder, 30-50 parts of yam flour, 20-30 parts of composite dietary fibers, 20-30 parts of vegetable oil, 5-8 parts of white granulated sugar, 3-5 parts of xylitol, 8-10 parts of eggs, 10-15 parts of water and 1-2 parts of a leavening agent, wherein the composite dietary fibers consist of apple dietary fibers, papaya dietary fibers and bamboo shoot dietary fibers in the weight ratio of the apple dietary fibers to the papaya dietary fibers to the bamboo shoot dietary fibers being 3 to 1 to 1. The health-care purple sweet potato and Chinese yam biscuits are comprehensive in nutrients and have a favorable health-care effect.

Description

technical field

[0001] The invention relates to a health food, in particular to a purple sweet potato and yam health biscuit and a preparation method thereof. Background technique

[0002] Biscuits are made of wheat flour, sugar, oil, etc. as the main raw materials after baking. They are popular for their crisp taste, low moisture content, light weight, complete block shape, easy preservation, easy packaging and carrying, and convenient eating. People like it, but with the continuous enhancement of people's health awareness, foods with health functions are more and more popular with consumers. The biscuit industry is also developing in the direction of nutrition, health, and functionality. The raw materials for preparing biscuits with health functions are becoming more and more popular.

[0003] Publication number CN104719388A, titled a yam purple sweet potato biscuit and its preparation method, it is made of the following raw materials by weight, 30-40 parts of yam, 50-65 ...

Examples

preparation example Construction

[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.

technical field

[0001] The invention relates to a health food, in particular to a purple sweet potato and yam health biscuit and a preparation method thereof. Background technique

[0002] Biscuits are made of wheat flour, sugar, oil, etc. as the main raw materials after baking. They are popular for their crisp taste, low moisture content, light weight, complete block shape, easy preservation, easy packaging and carrying, and convenient eating. People like it, but with the continuous enhancement of people's health awareness, foods with health functions are more and more popular with consumers. The biscuit industry is also developing in the direction of nutrition, health, and functionality. The raw materials for preparing biscuits with health functions are becoming more and more popular.

[0003] Publication number CN104719388A, titled a yam purple sweet potato biscuit and its preparation method, it is made of the following raw materials by weight, 30-40 parts of yam, 50-65 ...

Examples

preparation example Construction

[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.