CN107907448A - A kind of detection method of potato full-powder viscograph - Google Patents
A kind of detection method of potato full-powder viscograph Download PDFInfo
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- CN107907448A CN107907448A CN201711055493.9A CN201711055493A CN107907448A CN 107907448 A CN107907448 A CN 107907448A CN 201711055493 A CN201711055493 A CN 201711055493A CN 107907448 A CN107907448 A CN 107907448A
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- brabender
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- viscosity
- amylograph
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N11/00—Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties
- G01N11/10—Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties by moving a body within the material
- G01N11/14—Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties by moving a body within the material by using rotary bodies, e.g. vane
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Abstract
The invention discloses a kind of detection method of potato full-powder viscograph, comprise the following steps, brabender amylograph pretreatment；Sample treatment obtains full powder suspension；Set the location parameter of brabender amylograph；The full powder suspension that stirring obtains is quickly transferred in inner cylinder, starts to measure according to parameter, it is automatic to draw viscosity change curve map；The statement of analysis result.Add certain density potato full-powder, starch suspension, test sample is gelatinized in certain temperature range, according to this property, full powder particles gradually dissolve in suspension, this just changes the viscosity of gelatinized corn starch, potato full-powder is measured using brabender amylograph, the viscosity of starch etc., record full powder, starch is in different temperatures, the situation of change of viscosity in the range of different time, and the viscosity number of simply some temperature-time point of traditional rotary viscosimeter measure, more can be detailed than it, accurately embody its viscosity change, to be preferably controlled by process of production.
Description
Technical field：
The invention belongs to potato full-powder, starch viscosity technical field of measurement and test, glued more particularly, to a kind of potato full-powder
Write music the detection method of line.
Background technology：
Certain density full powder, starch suspension are added, starch is gelatinized in certain temperature range, according to this property,
Starch granules gradually dissolves in suspension, this just changes the viscosity of gelatinized corn starch, existing technical solution：Use rotary viscosimeter
The viscosity of meter measure potato full-powder：Synchronous motor is rotated with stable speed, dial disc, then pass through hairspring and shaft in succession
Rotor rotation is driven, when rotor is subject to liquid sticky resistance, hairspring produces moment of torsion, and contending with viscosity resistance, it is flat to finally reach
Weigh, the reading (i.e. the torsion angle of hairspring) of pointer instruction is shown on dial disc.It is the viscous of the sample that reading is multiplied by coefficient
Degree, is the shortcomings that this method at present, simply some temperature, the viscosity number at time point of rotary viscosimeter measure, no
Full powder, viscosity number of the starch in different temperatures, time range can be embodied.
The content of the invention：
The technical problems to be solved by the invention are：Certain density potato full-powder is measured using brabender amylograph
Suspension is gelatinized in certain temperature range, dissolving, and with temperature, the change of time, the also corresponding constantly change of its viscosity, is remembered
Temperature-viscosity curve under record is known as brabender viscograph, this viscograph can accurately embody the viscous of test sample
Degree change.
In order to solve the above-mentioned technical problem, the present invention is achieved by the following technical solutions：A kind of potato full-powder glues
Write music the detection method of line, comprise the following steps,
S1, brabender amylograph pretreatment：Brabender amylograph is opened, water is controlled, potato full-powder is measured
Moisture value be input in brabender program, brabender amylograph weigh program provide automatically sample to be tested amount and add water
Amount；
S2, sample treatment：The potato full-powder sample quality provided in program that weighs for weighing brabender amylograph is put
In beaker, the water for weighing program and providing of 59 DEG C~61 DEG C brabender amylographs is measured, then fast pouring volume is fetched water
The 2/3 of amount is stirred evenly with glass bar in beaker, obtains full powder suspension；
S3, the location parameter for setting brabender amylograph, location parameter include initial temperature, programming rate, the highest temperature
Degree, maximum temperature retention time, brabender sensitivity, section sample cylinder rotating speed, test sample title；
S4, after setting parameter, remove the inner cylinder of lower brabender amylograph, the full powder suspension that step S2 is stirred
It is quickly transferred in inner cylinder, and measures water with remaining 1/3 and rinse beaker inner wall, pours into the lump in inner cylinder, then by inner cylinder
Put back on brabender amylograph, decline lifting plectane in inner cylinder to starting to rotate, started according to the step S3 parameters set
Measure, system draw viscosity change curve map automatically；
The statement of S5, analysis result：The parameter set by step S3 is obtained from brabender amylograph curve map, and is obtained
Obtain the final viscosity of set duration under test sample peak viscosity, gelatinization point, peak temperature, maximum temperature.
Preferably, in step S2 measure brabender amylograph weigh program to water yield temperature be 60 DEG C.
Preferably, the initial temperature of setup parameter is 30 DEG C or 35 DEG C in step S3；Programming rate is rise per minute
1.5 DEG C or 3.0 DEG C；Maximum temperature is 95 DEG C；30 minutes maximum temperature retention times；Brabender sensitivity is 700cmg；Cut
Sample cylinder rotating speed is 75r/min；Test sample title ensures uniqueness.
Compared with prior art, usefulness of the present invention is：Add certain density full powder, starch suspension, starch
It is gelatinized in certain temperature range, according to this property, starch granules gradually dissolves in suspension, this just changes gelatinized corn starch
Viscosity, this method record full powder, starch in difference using the viscosity of brabender amylograph measure potato full-powder, starch etc.
The situation of change of viscosity in the range of temperature, different time, and during simply some temperature of traditional rotary viscosimeter measure
Between the viscosity number put, its viscosity change more can in detail, be accurately embodied than it, preferably to be controlled in process of production
System.
Embodiment：
With reference to embodiment, the present invention will be described in detail：
A kind of detection method of potato full-powder viscograph, comprises the following steps,
Brabender amylograph pretreatment is carried out first：Brabender amylograph is opened, water is controlled, by potato full-powder
The moisture value of measure is input in brabender program, brabender amylograph weigh program provide automatically sample to be tested amount and
Amount of water, sample to be tested amount and amount of water summation are 500ml；Then sample treatment：Weigh brabender amylograph weighs journey
The potato full-powder sample quality provided in sequence is placed in beaker and (is accurate to 0.01g), 60 DEG C of brabender amylographs of measurement
The water that program provides is weighed, is then stirred evenly the 2/3 of fast pouring volume water withdrawal in beaker with glass bar, is obtained complete
Powder suspension；The location parameter of brabender amylograph is set, it is 30 DEG C or 35 DEG C that location parameter, which includes initial temperature,；Heating speed
Spend for 1.5 DEG C or 3.0 DEG C of rise per minute；Maximum temperature is 95 DEG C；30 minutes maximum temperature retention times；Brabender is sensitive
Spend for 700cmg；It is 75r/min to cut sample cylinder rotating speed；Test sample title ensures uniqueness；After setting parameter, lower Bradley class is gone to
The inner cylinder of moral viscosity apparatus, the full powder suspension that stirring obtains is quickly transferred in inner cylinder, and is measured water with remaining 1/3 and rushed
Beaker inner wall is washed, is poured into the lump in inner cylinder, then puts back to inner cylinder on brabender amylograph, declines lifting plectane in inner cylinder
To starting to rotate, start to measure according to the parameter that step is set, its measuring principle is as follows, and the starch for adding concentration known is suspended
Liquid, starch are gelatinized in certain temperature range, and according to this property, starch granules gradually dissolves in suspension, this is just changed
The viscosity of gelatinized corn starch, the outer barrel of brabender amylograph are rotated with certain speed (75r/min), filled on the plectane for driving inner cylinder
There are 8 struts, it is corresponding in this, 8 struts are also equipped with outer barrel bottom, outer barrel is produced moment of torsion and bullet when rotating in the sample
The moment of torsion of spring balances each other, by the angle recordings of spring deflection in recording sheet.Temperature is by the mercury on thermometer
Contact, is up raised with certain speed, it is directly proportional to the time, and 1.5 DEG C or 3.0 DEG C were raised every 1 minute.In addition, pass through
Convey cold water into cooling tube to be cooled down with certain speed, computer software draws viscosity change curve automatically in continuous mode
Figure；The parameter of measure setting is obtained from brabender amylograph curve map, and obtains test sample peak viscosity, gelatinization temperature
Degree, peak temperature, 95 DEG C of final viscosities for continuing 30min；
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Profit requires rather than described above limits, it is intended that all in the implication and scope of the equivalency of claim by falling
Change is included in the present invention.
Claims (3)
- A kind of 1. detection method of potato full-powder viscograph, it is characterised in that：Comprise the following steps,S1, brabender amylograph pretreatment：Brabender amylograph is opened, controls water, the water that potato full-powder is measured Score value is input in brabender program, and the program that weighs of brabender amylograph provides sample to be tested amount and amount of water automatically；S2, sample treatment：The potato full-powder sample quality provided in program that weighs for weighing brabender amylograph is placed in burning In cup, the water for weighing program and providing of 59 DEG C~61 DEG C brabender amylographs is measured, then by fast pouring volume water withdrawal 2/3 in beaker, is stirred evenly with glass bar, obtains full powder suspension；S3, the location parameter for setting brabender amylograph, location parameter include initial temperature, programming rate, maximum temperature, most High-temperature retention time, brabender sensitivity, cut sample cylinder rotating speed, test sample title；S4, after setting parameter, remove the inner cylinder of lower brabender amylograph, and the full powder suspension that step S2 is stirred is rapid It is transferred in inner cylinder, and measures water with remaining 1/3 and rinse beaker inner wall, pours into inner cylinder, then put back to inner cylinder in the lump On brabender amylograph, decline lifting plectane in inner cylinder to starting to rotate, start to measure according to the step S3 parameters set, System draws viscosity change curve map automatically；The statement of S5, analysis result：The parameter set by step S3 is obtained from brabender amylograph curve map, and is surveyed The final viscosity of set duration under test agent peak viscosity, gelatinization point, peak temperature, maximum temperature.
- 2. the detection method of potato full-powder viscograph according to claim 1, it is characterised in that：Measured in step S2 Brabender amylograph weigh program to water yield temperature be 60 DEG C.
- 3. the detection method of potato full-powder viscograph according to claim 1, it is characterised in that：Set in step S3 The initial temperature of parameter is 30 DEG C or 35 DEG C；Programming rate is 1.5 DEG C or 3.0 DEG C of rise per minute；Maximum temperature is 95 DEG C；Most 30 minutes high-temperature retention times；Brabender sensitivity is 700cmg；It is 75r/min to cut sample cylinder rotating speed；Test sample title Ensure uniqueness.
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| CN201711055493.9A CN107907448A (en) | 2017-10-30 | 2017-10-30 | A kind of detection method of potato full-powder viscograph |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110411900A (en) * | 2018-04-30 | 2019-11-05 | 安东帕有限责任公司 | The method for seeking viscosity of material with rotational viscometer |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104048900A (en) * | 2014-06-20 | 2014-09-17 | 上海方瑞仪器有限公司 | Starch viscosity tester and measurement method |
| CN104535459A (en) * | 2014-12-05 | 2015-04-22 | 南京财经大学 | RVA-APC combined method for discrimination of ionizing irradiation wheat and flour |
-
2017
- 2017-10-30 CN CN201711055493.9A patent/CN107907448A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104048900A (en) * | 2014-06-20 | 2014-09-17 | 上海方瑞仪器有限公司 | Starch viscosity tester and measurement method |
| CN104535459A (en) * | 2014-12-05 | 2015-04-22 | 南京财经大学 | RVA-APC combined method for discrimination of ionizing irradiation wheat and flour |
Non-Patent Citations (1)
| Title |
|---|
| 中华人民共和国国家质量监督检验检疫总局 等: "粮油检验 谷物及淀粉糊化特性测定粘度仪法", 《中华人民共和国国家标准 GB/T14490-2008》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110411900A (en) * | 2018-04-30 | 2019-11-05 | 安东帕有限责任公司 | The method for seeking viscosity of material with rotational viscometer |
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