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Preparation method for bitter jujube powder

A technology of jujube powder and bitter taste, which is applied in the field of preparation of bitter jujube powder, can solve the problems of many raw materials, complicated procedures, unfavorable promotion, etc., and achieve the effects of reducing sweet and greasy feeling, facilitating promotion and improving protection

Inactive Publication Date: 2015-10-21
HEBEI UNIVERSITY OF SCIENCE AND TECHNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Adding coffee powder makes the product have a bitter taste, which can reduce the sweetness and greasy feeling of jujube, but this method requires more raw materials and complicated procedures, which is not conducive to popularization

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] This embodiment relates to a preparation method of bitter jujube powder, in particular to a preparation method of instant bitter jujube powder, the method comprising the following steps:

[0027] a. Obtain jujube powder:

[0028] a1. Select jujubes without mildew, wash and remove surface dirt, remove surface moisture at low temperature, then slice and remove jujube pits;

[0029] a2. Dry the jujube slices at 60-65°C for 24 hours. After cooling, add silicon dioxide food anti-caking agent with 1% of the mass of the jujube slices, beat into powder, and pass through a 40-mesh sieve;

[0030] b. Bake the jujube powder in an oven at a temperature of 140-150° C. for 90 minutes to obtain bitter jujube powder;

[0031] C, the bitter jujube powder of instant type is prepared by bitter jujube powder:

[0032] c1. Take the bitter jujube powder prepared in step b and water in a mass ratio of 1:12 for water bath leaching, the water bath temperature is 60-65°C, and the leaching time...

Embodiment 2

[0036] This embodiment also relates to a preparation method of instant bitter jujube powder, comprising the following steps:

[0037] a. Obtain jujube powder:

[0038] a1. Select jujubes without mildew, wash and remove surface dirt, remove surface moisture at low temperature, then slice and remove jujube pits;

[0039] a2. Dry the jujube slices at 60-65°C for 18 hours. After cooling, add a silicon dioxide food anti-caking agent with a mass of 1.5% of the jujube slices, beat into powder, and pass through a 20-mesh sieve;

[0040] b. Bake the jujube powder in an oven at a temperature of 110-120° C. for a baking time of 120 minutes to obtain bitter jujube powder;

[0041] C, the bitter jujube powder of instant type is prepared by bitter jujube powder:

[0042] c1. Take the bitter jujube powder prepared in step b and water according to the mass ratio of 1:16 for water bath extraction, the water bath temperature is 75-80°C, and the extraction time is 40 minutes; after extraction,...

Embodiment 3

[0046] This embodiment also relates to a preparation method of instant bitter jujube powder, comprising the following steps:

[0047] a. Obtain jujube powder:

[0048] a1. Select jujubes without mildew, wash and remove surface dirt, remove surface moisture at low temperature, then slice and remove jujube pits;

[0049] a2. Dry the jujube slices at 60-65°C for 20 hours. After cooling, add a silicon dioxide food anti-caking agent with a mass of 1.2% of the jujube slices, beat into powder, and pass through a 60-mesh sieve;

[0050] b. Bake the jujube powder in an oven, the baking temperature is 130°C, and the baking time is 105min, to obtain the bitter jujube powder;

[0051] C, the bitter jujube powder of instant type is prepared by bitter jujube powder:

[0052] c1. Take the bitter jujube powder prepared in step b and water in a mass ratio of 1:8 for water bath leaching, the water bath temperature is 65-70°C, and the leaching time is 50 minutes; after extraction, centrifuge...

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Abstract

The invention relates to a preparation method for bitter jujube powder. The bitter jujube powder is prepared by baking jujube powder at a temperature of 110 to 150 DEG C for 90 to 120 min. The preparation method is simple, easy to operate and conducive to popularization and provides a novel processing method for development of jujube resources; and the prepared bitter jujube powder maintains the fragrance of jujube and has bitter taste, so the sweet and greasy taste of jujube products is alleviated and preference to bitter taste of modern people is catered; and in virtue of intermediate products like reductive aldehyde and ketone produced by the maillard reaction of substances in the jujube, the bitter jujube powder has improved antioxidative, anti-mutation, anti-cancer, anti-aging and anti-free radical effects, better protects human cells and shows certain health care purpose.

Description

technical field [0001] The invention relates to a preparation method of jujube powder, in particular to a preparation method of bitter jujube powder. Background technique [0002] Jujube trees are widely planted in my country. Except for Heilongjiang and Tibet, they are planted in all provinces, and more than 98% of jujube resources and nearly 100% of jujube production in the world are concentrated in my country. At present, my country’s jujube products include jujube vinegar, jujube milk, jujube wine, jujube powder, jujube slices, jujube tea, etc. The consumption of jujubes in these categories is limited, and most of the jujubes are still eaten fresh and dried. Therefore, a new kind of jujube is developed Product processing method to drive the consumption of jujube, is a kind of demand. [0003] Modern people have a special preference for bitterness, so coffee is welcomed by people. Chinese patent application 97103915.1 discloses a drink based on jujube powder, adding coffe...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23L1/212A23L1/29A23L19/00A23L33/00
CPCA23V2002/00A23V2200/30A23V2200/302A23V2200/308
Inventor 牟德华李艳
Owner HEBEI UNIVERSITY OF SCIENCE AND TECHNOLOGY
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