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Method for simultaneously preparing high maltose syrup and protein using potatoes

A high maltose syrup and potato technology, applied in the field of food processing, can solve the problems of high ash content, low protein yield, low protein content and the like

Active Publication Date: 2017-08-25
WUXI JINNONG BIOTECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The existing technology uses heating and flocculation to refine potato protein. Usually, the flocs are salts or the pH is adjusted to be low. The combined result is that the protein yield is not high, the protein content is not high, the ash content is high, and the additives are not Food grade, the product is directly sold as feed

Method used

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  • Method for simultaneously preparing high maltose syrup and protein using potatoes

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] (1) Raw material selection and pre-treatment: Choose potatoes that have not germinated, rotten and moldy, wash and peel the potatoes with a washing and peeling machine, and then put them into a collection tank containing hot water at 70°C for 30 minutes. After soaking, filter them The watered potatoes are transported to the dicing machine.

[0037] (2) Crush and sieve: Turn on the dicing machine and cut the delivered potatoes into a cross-sectional area of ​​4-16cm 2 The long strip shape, simultaneously open the two-stage crushing and the inert gas nitrogen in the crushing chamber, monitor the oxygen concentration in real time to adjust the nitrogen flow rate, and transport the diced potatoes to the feed port of the crusher, pulverizer, and sieving machine in sequence, and finally Potato slurry after impurity removal and sieving is obtained.

[0038] (3) Standardization: adjust the potato slurry concentration to 20%, pH value to 4.5, add 0.5‰ of α-amylase (enzyme activ...

Embodiment 2

[0044] (1) Raw material selection and pre-treatment: Choose potatoes that have not germinated, rotten and moldy, wash and peel the potatoes with an all-in-one cleaning and peeling machine, and then put them into a collection tank containing 80°C hot water for 10 minutes. After soaking, filter them The watered potatoes are transported to the dicing machine.

[0045] (2) Crush and sieve: Turn on the dicing machine and cut the delivered potatoes into a cross-sectional area of ​​4-16cm 2 The long strip shape, simultaneously open the two-stage crushing and the inert gas nitrogen in the crushing chamber, monitor the oxygen concentration in real time to adjust the nitrogen flow rate, and transport the diced potatoes to the feed port of the crusher, pulverizer, and sieving machine in sequence, and finally Potato slurry after impurity removal and sieving is obtained.

[0046] (3) Standardization: adjust the potato slurry concentration to 30%, pH value to 5.5, add 0.2‰ of α-amylase (en...

Embodiment 3

[0052] (1) Raw material selection and pre-treatment: Choose potatoes that have not germinated, rotten and moldy, wash and peel the potatoes with a cleaning and peeling machine, and then put them into a collection tank containing hot water at 75°C for 20 minutes. After soaking, filter them The watered potatoes are transported to the dicing machine.

[0053] (2) Crush and sieve: Turn on the dicing machine and cut the delivered potatoes into a cross-sectional area of ​​4-16cm 2 The long strip shape, simultaneously open the two-stage crushing and the inert gas nitrogen in the crushing chamber, monitor the oxygen concentration in real time to adjust the nitrogen flow rate, and transport the diced potatoes to the feed port of the crusher, pulverizer, and sieving machine in sequence, and finally Potato slurry after impurity removal and sieving is obtained.

[0054] (3) Standardization: adjust the potato slurry concentration to 25%, pH value to 5.0, add 0.3‰ of α-amylase (enzyme acti...

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Abstract

Disclosed is a method for simultaneously preparing high maltose syrup and protein using potatoes. The method comprises the following steps that 1, raw materials are selected and pretreated; 2, dicing, pulping and smashing are conducted, and slurry and slag are separated; 3, after being standardized, the slurry is subjected to injection liquefaction and thermal insulation reaction; 4, clear liquid filtered by a plate frame is used for preparing raw materials of the high maltose syrup, and refining is conducted on filtration cakes filtered by the plate frame to obtain the potato protein, wherein physicochemical test results of the potato protein prepared and obtained in the step 4 are that the protein content is greater than 70%, the fat content is less than 5%, and the ash content is less than 5%; the technical indexes of the high maltose syrup are that the concentration is 70%-75%, the maltose content (for dry matter) is 70%-80%, and the DE value is 45%-55%. According to the method for simultaneously preparing the high maltose syrup and the protein using the potatoes, the characteristics of components of the potatoes are analyzed, a comprehensive utilization method is adopted, so that the high maltose syrup is obtained, the potato protein can be recovered and obtained synchronously, the protein activity in the process is maintained to maximum limit, and the maximum utilization of resources is promoted.

Description

technical field [0001] The invention relates to the technical field of food processing, in particular to a method for preparing high maltose syrup and protein from potatoes. Background technique [0002] High maltose syrup refers to syrup with a maltose content of more than 70%, which has many excellent characteristics, such as: high maltose syrup has low sweetness, good crystallization resistance, low hygroscopicity, and good thermal stability; high maltose syrup is sticky In addition, high maltose syrup does not pass the action of insulin when absorbed by the human body, so it can be used as a sweetener in food for diabetics. [0003] Maltose syrup is either concentrated or high maltose syrup, which is related to the amount of maltose contained in it. After concentration, it can only become a concentrated liquid with low moisture content, which is essentially different from high maltose syrup. In addition, maltolan and maltose syrup are two different concepts. Maltolan is...

Claims

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Application Information

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IPC IPC(8): C07K1/30C07K1/34C12P19/12C12P19/14C12P19/16C12P19/22C13K7/00
CPCC07K1/30C07K1/34C12P19/12C12P19/14C12P19/16C12P19/22C13K7/00
Inventor 于秋生李珍妮陈林冯伟陈天祥朱熹
Owner WUXI JINNONG BIOTECH CO LTD
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