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Preparation method of soluble corn silk multi-nutrients

A technology of corn silk and nutrients, applied in the field of food and beverage production, can solve the problems of low extraction rate and the like

Inactive Publication Date: 2014-07-23
陈书勤 +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] At present, the reflux extraction method or ultrasonic-assisted enzymatic method is often used to extract corn silk polysaccharides and flavonoids, but the extraction rate is low, about 5% or less.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] Preparation of soluble corn silk nutrients by spray drying—take 500 g of dried corn silk, add 5 times the volume of 60% mixed acid, including 30% citric acid and 30% acetic acid, and dissolve it for 3 hours at a temperature of 40°C. A homogeneous mixture was formed. Add hydrogen peroxide and 1% catalyst to the above mixture and undergo oxidative degradation for 7 hours at 70° C. while stirring at 120 rpm. The degradation solution is adjusted by sodium carbonate to adjust the ph value, concentrated, and spray-dried to obtain the complete nutrients of corn silk. The color is earthy yellow. The production process has no waste and no production.

Embodiment 2

[0031] Freeze-drying to prepare soluble corn silk nutrients—take 1 kg of dried corn silk, add 6 times the volume of 70% mixed acid, including 30% citric acid and 40% acetic acid, and dissolve it for 2.5 hours at a temperature of 50°C. A homogeneous mixture was formed. Add hydrogen peroxide and 1% catalyst to the above mixture and undergo oxidative degradation for 6.5 hours at 80° C. while stirring at 140 rpm. The degradation solution is adjusted by sodium carbonate to adjust the ph value, concentrated, and freeze-dried to obtain the complete nutrients of corn silk. The color is pure white, and the production process has no waste and no production.

Embodiment 3

[0033] Preparation of rose, wolfberry, and corn silk compound beverage—take 10g of complete nutrients from corn silk by freeze-drying; fresh wolfberry is crushed to remove impurities and 10g of liquid is taken; 10g of rose is extracted with 100ml of water at 60°C with the aid of ultrasound. hour, replenish to 100ml, get three items and settle to 2000ml to make a health drink.

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PUM

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Abstract

The invention discloses a processing method of corn silk. The processing method comprises the following steps: collecting, impurity removing, rinsing, drying in air, primary baking, dissolving, oxidation degrading, condensing, spray-drying, and packaging. The corn silks are subjected to an impurity removing and degradation technology, and then a spray drying technology or a freeze drying technology is used to prepare soluble corn silk extracts. The prepared corn silk extracts have a good taste, do not have green taste or astringent taste, and do not contain impurities after the corn silk extracts are brewed. Macromolecular polysaccharide is converted to oligosaccharide substances through the oxidation degradation process in the method, thus the effective active substances in corn silks are totally dissolved, and then a spray drying or freeze drying technology is used to prepare the soluble corn silk extracts. During the technology process, no waste is generated, corn silks are completely dissolved and converted into the final products, and the whole effective components are preserved. The product can be applied to the industries such as beverage, food, and healthcare food industry.

Description

technical field [0001] The invention relates to the technical field of food and beverage production. A corn silk soluble powder can be used as a preparation method for human health drinks and food. Background technique [0002] Corn silk is the style and stigma of the plant corn of the genus Yushu in the grass family. It is sweet, flat, non-toxic, and has the effects of reducing swelling and diuresis, calming the liver and gallbladder, and lowering blood sugar. In Modern Practical Chinese Medicine, corn silk is designated as Diuretics. Its main chemical components include volatile oil, saponins, alkaloids, flavonoids, polypentose, allantoin, organic acids, etc. Modern pharmacological studies have proved that corn silk can significantly lower blood sugar, enhance gastrointestinal motility, enhance immunity, and lower blood lipids. and other effects. The content of flavonoids in corn silk is as high as 2.1106%, while the content of corn leaves is 1.1013%, the content of cor...

Claims

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Application Information

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IPC IPC(8): A23L2/39A23L1/29A23L1/10A23L7/10A23L33/00
CPCA23L2/39A23L33/00A23V2002/00
Inventor 陈书勤刘卫萍张志民孟宪福
Owner 陈书勤
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