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Persimmon powder and production process thereof

A production process and a technology for persimmon powder, applied in the field of persimmon powder and its production process, can solve the problems of no concentration of persimmon chemical components, refining chemical raw materials, singleness, etc., and achieve the effect of relieving the pressure of fresh fruit sales and having broad market prospects.

Inactive Publication Date: 2008-12-24
GONGCHENG HUIKUN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This technology uses seven or eight mature persimmons as raw materials, which improves the processing utilization rate of persimmons, and the products can be stored for a long time, but the products are also used as food or beverages for people to eat, which is relatively simple
[0003] So far, there is no precedent for concentrating and refining the chemical components in persimmons to prepare chemical raw materials

Method used

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  • Persimmon powder and production process thereof

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Effect test

Embodiment 1

[0026] Embodiment 1 of the present invention: the production technology of persimmon powder: get the green persimmon of fruit thinning stage, through pretreatment (raw material selection, high-pressure spray cleaning, ozone bubble cleaning, hairbrush cleaning, stalk removal, high-pressure spray cleaning and ozone Bubble cleaning), crushing, squeezing the juice, adding 1% by weight of sodium erythorbate and 0.05% by weight of citric acid to the gained juice to protect the color, and then processing it with pomace respectively according to the following steps:

[0027] (1) Enzymolysis of juice: get the compound enzyme of 0.5% of green persimmon juice weight (from the pectinase of activity ≥ 4000 μ / g, the β-amylase of activity ≥ 6000 μ / g, the protease of activity ≥ 300 μ / g, the protease of activity ≥ 300 μ / g 80000μ / g xylanase, cellulase activity ≥ 600μ / g and β-glucanase activity ≥ 100000μ / g), according to the common activity requirements of these enzymes, in the production process...

Embodiment 2

[0030] Embodiment 2 of the present invention: the production process of persimmon powder: get immature green persimmons, through pretreatment, crush, squeeze the juice, add 1% sodium erythorbate by weight to the gained juice to protect the color, then press the pomace respectively The above steps are processed:

[0031] (1) Enzymolysis of juice: get the compound enzyme of 10% of green persimmon juice weight (from the pectinase of activity ≥ 4000 μ / g, the β-amylase of activity ≥ 6000 μ / g, the protease of activity ≥ 300 μ / g, the protease of activity ≥ 300 μ / g 80000μ / g xylanase, cellulase activity ≥ 600μ / g and β-glucanase activity ≥ 100000μ / g), according to the common activity requirements of these enzymes, in the production process, the enzyme is first Dissolve in water, keep at 35°C for 60 minutes to activate, then add to weakly acidic reaction liquid, because the pH value of green persimmon juice is 4-5, so there is no need to add acid to adjust the pH value, you can directly ...

Embodiment 3

[0034] Embodiment 3 of the present invention: the production technology of persimmon powder: get the hard persimmon of turning yellow, through pretreatment, crush, extract juice, gained juice and pomace are processed according to the following steps respectively:

[0035] (1) Enzymolysis of juice: get 0.1% compound enzyme of persimmon juice weight (by pectinase with activity ≥ 4000 μ / g, β-amylase with activity ≥ 6000 μ / g, protease with activity ≥ 300 μ / g, activity ≥ 300 μ / g 80000μ / g xylanase, cellulase activity ≥ 600μ / g and β-glucanase activity ≥ 100000μ / g), according to the common activity requirements of these enzymes, in the production process, the enzyme is first Dissolve in water, keep at 25°C for 120 minutes to activate, then add to weakly acidic reaction liquid, because the pH value of persimmon juice is 4-5, so there is no need to add acid to adjust the pH value, you can directly add activating enzyme to maintain The temperature of the juice is enzymatically hydrolyzed...

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Abstract

The invention discloses persimmon powder and a production technique thereof. The technique comprises the following steps that: after extraction of juice from persimmon, the juice undergoes zymohydrolysis, filtration, enzyme killing and concentration; after vacuum freeze drying of a concentrated solution, powdery materials with a tannin weight content between 1 and 99 percent are prepared; and the dissolution rate of the powdery materials in water is more than or equal to 50 percent. Compared with the prior art, the technique applies the technologies of zymohydrolysis and vacuum freeze drying in processing and production of persimmons, and selects the superior zymohydrolysis technology to perform cellular level processing on the persimmons on the premise that the compositions of the persimmons are researched; auxiliary materials used by the processing are ecological and environment-friendly and has no chemical pollution, and finished products are superior natural nontoxic chemical raw materials; and the materials are dried by adoption of the vacuum freeze drying technology, thereby the biological active ingredients of the materials are reserved to the maximum degree and the materials are easier to dissolve in water, consequently the materials are convenient to perform various chemical reactions so as to be widely applied in the chemical production. Moreover, the technique greatly releases the pressure of farmers for selling fresh fruit, and raw materials can be purchased from the farmers during the fruit thinning period; and the products obtained can be used for manufacturing cosmetics, recovering heavy metals in sewage, preventing the materials from being corroded, etc, and have a wide market prospect.

Description

(1) Technical field: [0001] The invention relates to persimmon powder and a production process thereof, belonging to the technical field of fruit and vegetable processing. (two) background technology: [0002] At present, the total annual persimmon production in the world has exceeded 2 million tons, and it is gradually increasing. Among them, my country's persimmon production accounts for about 90% of the world's total persimmon production, nearly 2 million tons, and it is the country with the largest persimmon cultivation area and production. Persimmons are planted in large areas in my country's Hebei, Shandong, Shaanxi, Guangxi and other places. At present, apart from selling persimmons in the form of fresh fruits, the main processing method is to make persimmons into persimmons for easy storage and transportation. CN1759697 discloses a preparation method of freeze-dried persimmon ultrafine powder: natural hard and fresh persimmons are used as raw materials, deastringen...

Claims

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Application Information

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IPC IPC(8): C07G17/00C07G3/00C12P19/00C12P17/06C07G99/00
Inventor 刘二伟何明茜裴振奎
Owner GONGCHENG HUIKUN
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