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Method for measuring mechanical texture characteristic of dried rice noodle

A measurement method, rice noodle technology, applied in the field of mechanical testing of food material properties, to achieve the effects of scientific measurement, high testing accuracy, and simple testing process

Inactive Publication Date: 2012-08-15
JIANGSU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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  • Method for measuring mechanical texture characteristic of dried rice noodle
  • Method for measuring mechanical texture characteristic of dried rice noodle
  • Method for measuring mechanical texture characteristic of dried rice noodle

Examples

Experimental program
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Effect test

Embodiment 1

[0041] The method for measuring the elastic modulus and bending fracture rate of dry rice noodles 3 is to randomly select 20 pieces of dry rice noodles (diameter ≤ 1.4mm) that are straight and uniform in thickness, cut them into 100mm pieces, and place them between the static pressure head 2 and the dynamic pressure head 4 respectively. room (such as figure 2 shown); start the loading measuring device, the dynamic pressure head 4 carries out axial bending loading on the dried rice noodle sample 3 under the driving of the boom 6 of the loading measuring device, so that the dried rice noodle undergoes axial bending deformation, and the dynamic pressure head axially The displacement and load are automatically recorded and stored by the loading measuring device; the speed of the dynamic pressure head 4 is 0.1mm / s, and the axial displacement of the dynamic pressure head is 2.5mm; the axial displacement and load of the dynamic pressure head 4 are measured by loading The device give...

Embodiment 2

[0043] The method for measuring the elastic modulus and bending fracture rate of dry rice noodles 3 is to randomly select 20 pieces of dry rice noodles (diameter > 1.4mm) that are straight, straight and uniform in thickness, cut them into 120mm pieces, and place them between the static pressure head 2 and the dynamic pressure head 4 respectively. room (such as figure 2 shown); start the loading measuring device, the dynamic pressure head 4 carries out axial bending loading on the dried rice noodle sample 3 under the driving of the boom 6 of the loading measuring device, so that the dried rice noodle undergoes axial bending deformation, and the dynamic pressure head axially The displacement and load are automatically recorded and stored by the loading measurement device; the speed of the dynamic pressure head 4 is 0.1mm / s, and the axial displacement of the dynamic pressure head is 3mm; the axial displacement and load of the dynamic pressure head 4 are determined by the loading ...

Embodiment 3

[0045] The method for measuring the elastic modulus and bending fracture rate of dry rice noodles 3 is to randomly select 20 dry rice noodles (diameter ≤ 1.4mm) that are straight and uniform in thickness, cut them into 120mm and place them between the static pressure head 2 and the dynamic pressure head 4 respectively. room (such as figure 2 shown); start the loading measuring device, the dynamic pressure head 4 carries out axial bending loading on the dried rice noodle sample 3 under the driving of the boom 6 of the loading measuring device, so that the dried rice noodle undergoes axial bending deformation, and the dynamic pressure head axially The displacement and load are automatically recorded and stored by the loading measurement device; the speed of the dynamic pressure head 4 is 0.1mm / s, and the axial displacement of the dynamic pressure head is 4mm; the axial displacement and load of the dynamic pressure head 4 are determined by the loading measurement device The rela...

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Abstract

The invention provides a method for measuring the mechanical texture characteristic of dried rice noodle, belonging to the measurement field of the physical mechanics of foods and materials. The method comprises the following steps of: respectively arranging dried rice noodles samples with a certain standards between a fixed press head and a movable press head; starting up a loading measurer; axially bending and loading the dried rice noodles sample through the movable press head under the drive of a movable arm of the loading measurer to axially bend and deform the rice noodle; automaticallyrecording and storing the axial displacement quantity and the loaded load of the samples when loading the press head by the loading measurer; giving the relationship test curve between the axial displacement quantity delta 1 and the load p by the loading measurer after measuring the sample; and extracting the axial displacement quantity delta 1 and the corresponding load p at the end of the stated dried rice noodle from the test curve, and computing and appraising to obtain the elastic modulus and the bending break off rate of the rice noodle. Based on the large-deflection theory of the post buckling of a press rod, the method builds a method for measuring the elastic modulus and the bending break off rate of the rice noodle.

Description

technical field [0001] The invention belongs to the field of mechanical detection of physical properties of food materials, and relates to a method for measuring the mechanical texture properties of dried rice noodles, in particular to a method for measuring the bending fracture rate and elastic modulus of dried rice noodles. Background technique [0002] Dry rice noodle, also known as dry rice vermicelli or dry rice vermicelli, is a thin strip-shaped rice product with a rectangular or circular cross-section processed from rice as the main raw material. It is also a traditional rice product loved by the people in southern my country. Not easy to break, soft and delicate, smooth taste and so on. Bending fracture rate and elastic modulus are the most basic mechanical property indicators for dry rice noodle quality evaluation. There are no national standards or industry standards for dry rice noodles, only local standards in Hunan, Guangxi, Jiangxi and other places. Among the...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N3/20
Inventor 姜松朱红力刘瑞霞任晓锋黄广凤赵杰文
Owner JIANGSU UNIV
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