CN105510246A - Method for judging soy sauce color grade through pigment standard colorimetric card - Google Patents
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- G—PHYSICS
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/29—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands using visual detection
- G01N21/293—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands using visual detection with colour charts, graduated scales or turrets
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Abstract
The invention discloses a method for judging soy sauce color grade through a pigment standard colorimetric card. The method comprises the following steps: 1) a pigment standard colorimetric card is prepared, and a standard colorimetric solution which is prepared from a dye and is used for colorimetric purpose is arranged in the pigment standard colorimetric card; and 2) colorimetric task is carried out: soy sauce and the solution in the pigment standard colorimetric card are undergo colorimetric test to determine color quality of the soy sauce. By preparing the pigment standard colorimetric card provide with the standard colorimetric solution and through colorimetric method of colors of the solution in the colorimetric card and the soy sauce, the purpose of determining color quality of soy sauce is achieved. By the method, dilution is not required, and color quality of soy sauce can be determined through visual and fast observation. In addition, the method is simple and convenient to operate and has high efficiency and accuracy. Meanwhile, the colorimetric card can be repeatedly used for colorimetric purpose so as to avoid unnecessary waste.
Description
Technical field
The present invention relates to the evaluation of sauce cast of oil, particularly relate to a kind of by pigment standard color comparison card differentiation soy sauce color level method for distinguishing.
Background technology
Soy sauce be China traditional brewage goods, the history of existing more than 2000 year so far, become flavouring indispensable in common people's daily life, the soy sauce annual production of current China reaches 5,000,000 tons, and account for 60% of world's annual production, gross annual output value is more than 16,000,000,000 yuan.According to national regulation, it is carried out to the division of rank according to the content of amino-acid nitrogen, total nitrogen and soluble saltless solid in soy sauce, be divided into one, two, three.But appraisement system or the referential evaluation criterion of directiveness is not put into effect about soy sauce color country, each production firm has self color and luster evaluation system, because the appraisement system of different vendor and reference frame difference, so the product colour span that rank is colluded at upper reaches, market is comparatively large, market is caused to occur the same model soy sauce color situation that dragons and fishes jumbled together.
Domestic soy sauce production firm mainly relies on experience to carry out the judgement of color and luster, it adopts main method as follows: selected different batches soy sauce, through the subjective appreciation of majority, be defined as different stage, as A, B, C level etc., undertaken saving as canonical reference system (or standard items) by effective mode, the lower batch of soy sauce produced and canonical reference system compare, and judge its rank.Above method advantage is adopted to be: can fast to the judgement of producing soy sauce and carry out rank.Shortcoming is: the reference frame of (1) each rank will store a large amount of products as standard, causes waste, and adds storage difficulty.(2) because soy sauce itself is unstable, even if store under cryogenic, its color and luster still has and changes slowly, affects the judgement of lower batch.
Simultaneously, judge about soy sauce color rank, domestic also have a small amount of patent and bibliographical information, mention in the patent of the soy sauce colourity that the beautiful jade as Beijing's food brewing institute of China king is invented and the pertinent literature delivered thereof, multiple indicator is adopted to pass through rational proportion, make the color range of certain color distinction, compare after the soy sauce dilution certain multiple of colorimetric with making color range, determine sauce cast of oil rank, its research is compared with standard color range after soy sauce is diluted finite concentration, not direct contrast soy sauce being carried out to color and luster; Establishing with dried bean curd in a kind of chrominance card that Zhejiang Prov Industrial And Commercial University Chen Min applies for and application patent in the evaluation of soy sauce colorability thereof is carrier, the shade that bean curd shows after soy sauce dyeing, emphasis of its research is that soy sauce is painted the size of ability on carrier, does not relate to the research of the color and luster simulation of soy sauce own.
Summary of the invention
The object of the invention is to set up a set of directly perceived, fast and to pass judgment on accuracy high, avoid the method for the differentiation soy sauce color quality grade of wasting to propose a kind ofly to differentiate soy sauce color level method for distinguishing by pigment standard color comparison card simultaneously.
For reaching this object, the present invention by the following technical solutions:
A kind of by pigment standard color comparison card differentiation soy sauce color level method for distinguishing, comprise the following steps:
1), prepare pigment standard color comparison card, in described pigment standard color comparison card, be provided with the standard colorimetric solution for colorimetric be made up of dyestuff;
2), colorimetric, the solution in soy sauce and pigment standard color comparison card is carried out colorimetric, determines sauce cast of oil quality.
Preferably, the standard colorimetric solution interval in described colorimetric card is arranged, and is equipped with the slot can placing soy sauce in the left side of standard colorimetric solution and right side.
Preferably, described standard colorimetric solution comprises at least four kinds of standard color systcms, and its being distributed as from being deep on colorimetric card is shallow or from shallow to deep.
Preferably, the preparation of standard colorimetric solution comprises the steps:
1), prepare mother liquor, comprise the preparation of black mother liquor, red mother liquor and yellow mother;
Black mother liquor with plant carbon black and/or caramel for raw material is formulated;
Red mother liquor with lure red and/or carmine and/or erythrosine and/or pararosaniline hydrochloride and/or newly red and/or brave red for raw material formulated;
Yellow mother with lemon yellow and/or sunset yellow and/or magnificent yellow and/or turmeric for raw material is formulated;
2), prepare standard colorimetric solution, use above-mentioned mother liquor to measure soy sauce color grade scale on demand and select above-mentioned mother liquor to carry out diluting or being combinationally used, mix standard colorimetric solution.
Illustrate at this, above raw material soy sauce color simulation has 48 kinds of combinations.
Preferably, standard color card I to standard color card IV color from shallow to deep, determines soy sauce color quality when carrying out colorimetric according to following rule, and wherein color and luster is shallower than and equals standard color card I, and regulation color and luster quality is 1 grade; Color and luster is deeper than standard color card I and is shallower than and equals standard color card II, and regulation color and luster quality is 2 grades; Color and luster is deeper than standard color card II and is shallower than and equals standard color card III, and regulation color and luster quality is 3 grades; Color and luster is deeper than standard color card III and is shallower than and equals standard color card IV, and regulation color and luster quality is 4 grades, and color and luster is deeper than and equals standard color card IV, and regulation color and luster quality is 5 grades.
Preferably, in described colorimetric card, spaced standard colorimetric solution is placed in standard ware in advance, and described standard ware is dismountable to be placed in described colorimetric card.
Preferably, described soy sauce is placed in planchet in advance, is inserted in the slot in described colorimetric card between adjacent modular colorimetric solution carries out colorimetric when colorimetric.
Preferably, described soy sauce can dilute in advance.
Preferably, carry out step 2) colorimetric time substrate color be white or black.
Preferably, a kind of pigment standard color comparison card for differentiating soy sauce color grade, it is a rectangular box, be provided with multiple slot within it, described slot is divided into for placing standard colorimetric solution and for two kinds of placing soy sauce, between the two every setting, in the described slot for placing standard colorimetric solution, be inserted with the standard ware taking up standard colorimetric solution.
The present invention is provided with the pigment standard color comparison card of standard colorimetric solution by preparation, the solution in this colorimetric card and sauce cast of oil is adopted to carry out the method for colorimetric, achieve the object determining soy sauce color quality, the method does not need dilution, energy is directly perceived, rapid examination determination sauce cast of oil quality, and operation is comparatively simple and convenient and efficiency is high, accuracy is high; Colorimetric card can be reused and carry out colorimetric simultaneously, avoids unnecessary waste.
Accompanying drawing explanation
Fig. 1 is the structural representation of the standard ware applied in the present invention;
Fig. 2 is the structural representation of the planchet applied in the present invention;
Fig. 3 is the structural representation of the truss of colorimetric card of the present invention.
Wherein 1 is standard ware, and 2 is planchet, and 3 is slot, and 4 is nut.
Embodiment
Technical scheme of the present invention is further illustrated by embodiment below in conjunction with accompanying drawing.
Need to illustrate, following examples are concrete preferred embodiment, are not construed as limiting the invention.The preparation of the standard colorimetric solution used suitably can adjust according to actual test request, such as colorant kind and concentration etc.This patent core content uses standard colorimetric solution and soy sauce to carry out colorimetric, because be all liquid, affected by environment little when colorimetric, colorimetric is accurate, and use colour atla design, by comparing with adjacent modular colorimetric solution, can easily determine color and luster quality grade.In addition, preferred socket designs, also makes to replace easy to clean, and can by arranging the standard ware for holding standard colorimetric solution, when testing, selecting suitable standard ware to insert slot corresponding to colorimetric card, contributing to like this increasing work efficiency, in addition, when colorimetric, single substrate color is preferably adopted to carry out colorimetric, more preferably black or white, certainly, the substrate that can highlight shade deviation can be selected.In addition, the planchet for the standard ware and soy sauce that hold standard colorimetric solution is preferably transparent material.
In addition, also need to be described, when carrying out colorimetric, soy sauce can suitably dilute, but needs to set corresponding parameter, and above content is conventional processing mode for those skilled in the art, no longer does additionally repeating here.
Embodiment 1
Make soy sauce colorimetric card, and determine the quality color and luster rank of soy sauce in production.
1) corresponding mother liquor, is prepared as follows: select plant carbon black black mother liquor, select the temptation red mother liquor of red preparation and select lemon yellow as yellow mother.
2), preparation simulation soy sauce 1 color and luster series standard system:
Series standard system I: plant carbon black mother liquor 8.828g, lure red mother liquor 8.352g and lemon yellow mother liquor 4.537g, be settled to 100mL with water;
Standard color is II: plant carbon black mother liquor 9.037g, lure red mother liquor 8.699g and lemon yellow mother liquor 5.173g, is settled to 100mL with water;
Standard color is III: plant carbon black mother liquor 9.244g, lure red mother liquor 6.583g and lemon yellow mother liquor 4.026g, is settled to 100mL with water;
Standard color is IV: plant carbon black mother liquor 6.610g, lure red mother liquor 6.926g and lemon yellow mother liquor 6.431g, is settled to 100mL with water;
3), the making of standard color comparison card: soy sauce is simulated standard color is I, standard color is II, standard color be III and standard color be IV install in standard ware 1 respectively, screw bottleneck nut 4 (as shown in Figure 1), above standard ware 1 is inserted respectively and indicates in I, II, III and IV corresponding slot 3 (as shown in Figure 3), make standard color comparison card, be called standard color card I, standard color card II, standard color card III and standard color card IV;
From shallow to deep, wherein color and luster is shallower than and equals standard color card I standard color card I to standard color card IV color, and regulation color and luster quality is 1 grade; Color and luster is deeper than standard color card I and is shallower than and equals standard color card II, and regulation color and luster quality is 2 grades; Color and luster is deeper than standard color card II and is shallower than and equals standard color card III, and regulation color and luster quality is 3 grades; Color and luster is deeper than standard color card III and is shallower than and equals standard color card IV, and regulation color and luster quality is 4 grades, and color and luster is deeper than and equals standard color card IV, and regulation color and luster quality is 5 grades.
4), colorimetric: the soy sauce getting different production batch, be poured in planchet 2, screw bottleneck nut 4 (as shown in Figure 2), then by sample, in 2 slots 3 indicating 1 inserting colorimetric cards (as shown in Figure 3), carry out colorimetric with standard color system I, if its color and luster is shallower than standard color card I, determine that its quality color and luster rank is 1 grade; If its color is deeper than standard color system I, then is extracted, what be then inserted into colorimetric card indicates in the slot 3 of 2, carries out colorimetric with standard color card II and standard color card III; Carry out colorimetric with standard color card successively, finally determine the rank of sauce cast of oil quality with this.
Embodiment 2
Make soy sauce colorimetric card, and determine the quality color and luster rank of soy sauce in production.
1) corresponding mother liquor, is prepared as follows: caramel mother liquor: 5.0g/100mL, erythrosine mother liquor: 0.1g/100mL and sunset yellow mother liquor: 1.0g/100mL.
2), preparation simulation light soy sauce color and luster series standard system:
Standard color is I: caramel mother liquor 5.981g, erythrosine mother liquor 5.89g and sunset yellow mother liquor 2.767g, be settled to 100mL with water;
Standard color is II: caramel mother liquor 6.187g, erythrosine mother liquor 6.237g and sunset yellow mother liquor 3.403g, be settled to 100mL with water;
Standard color is III: caramel mother liquor 6.394g, erythrosine mother liquor 6.583g and sunset yellow mother liquor 4.026g, be settled to 100mL with water;
Standard color is IV: caramel mother liquor 6.61g, erythrosine mother liquor 6.926g and sunset yellow mother liquor 4.661g, be settled to 100mL with water.
3), the making of standard color comparison card: soy sauce is simulated standard color is I, standard color is II, standard color be III and standard color be IV install in standard ware 1 respectively, screw bottleneck nut 4 (as shown in Figure 1), above standard ware 1 is inserted respectively and indicates in I, II, III and IV corresponding slot 3 (as shown in Figure 3), make standard color comparison card, be called standard color card I, standard color card II, standard color card III and standard color card IV;
From shallow to deep, wherein color and luster is shallower than and equals standard color card I standard color card I to standard color card IV color, and regulation color and luster quality is 1 grade; Color and luster is deeper than standard color card I and is shallower than and equals standard color card II, and regulation color and luster quality is 2 grades; Color and luster is deeper than standard color card II and is shallower than and equals standard color card III, and regulation color and luster quality is 3 grades; Color and luster is deeper than standard color card III and is shallower than and equals standard color card IV, and regulation color and luster quality is 4 grades, and color and luster is deeper than and equals standard color card IV, and regulation color and luster quality is 5 grades.
Colorimetric: the light soy sauce getting different production batch, be poured in planchet 2, screw bottleneck nut 4 (as shown in Figure 2), that then planchet 2 is inserted colorimetric card indicates in the slot 3 (as shown in Figure 3) of 2, be II carry out colorimetric with standard color, if between its color and luster place standard color card I and standard color card II, determine that its quality color and luster rank is 2 grades, if be not between two standard color cards, then being inserted into another successively indicates in the slot 3 of 1 or 3 or 4 or 5, carry out colorimetric, finally determine the rank of the color and luster quality of soy sauce 1 with this.
Illustrate at this, the height of the equal accepted standard ware of above embodiment is 60mm, and width is 40mm, and thickness is 5mm; The height of planchet is 82mm; Width is 40mm; Thickness is 5mm, does not belong to inventive point of the present invention herein, is not construed as limiting the present invention.
Above embodiment inserts in slot the colorimetric of carrying out between solution by employing standard ware and planchet, when needing the screens of standard of replacement colorimetric solution or adjustment colorimetric soy sauce, all more for convenience.
In this explanation, other colorimetric mode, be I by the standard color of preparation, standard color be II, standard color be III and standard color be IV pour into respectively indicate I, II, III and IV corresponding glass container screens in, make standard color comparison card, be called standard color card I, standard color card II, standard color card III and standard color card IV; Get and treat colorimetric soy sauce, be poured in colorimetric card indicate 1 or 2 or 3 or 4 or 5 screens in, be called sample card, compare the standard color card color adjacent with its both sides, its color and luster is between two standard color cards.
And above colorimetric mode operates cumbersome, when needing the screens of standard of replacement colorimetric solution or adjustment colorimetric soy sauce, need standard colorimetric solution and colorimetric soy sauce to be taken out by other devices, cleaning is also needed after taking-up, if do not washed clean clearly, the standard colorimetric solution pouring other into can cause the color and luster of standard colorimetric solution to change, and causes and determines that colorimetric sauce cast of oil quality is inaccurate; Also have a kind of situation, drainage system being set in the bottom of screens place of standard colorimetric solution or adjustment colorimetric soy sauce, although without the need to manually getting liquid, but needing cleaning, otherwise cause and determine that colorimetric sauce cast of oil quality is inaccurate.
Illustrate at this, this simulation soy sauce color system optimization formula is as follows:
Standard color system I: black mother liquor 7.403g ± 1.425g, red mother liquor 7.121g ± 1.231g and yellow mother 3.652g ± 0.885g, is settled to 100mL with water;
Standard color is II: black mother liquor 7.612g ± 1.425g, red mother liquor 7.468g ± 1.231g and yellow mother 4.288g ± 0.885g, be settled to 100mL with water;
Standard color is III: black mother liquor 7.819g ± 1.425g, red mother liquor 7.814g ± 1.231g and yellow mother 4.911g ± 0.885g, be settled to 100mL with water;
Standard color is IV: black mother liquor 8.035g ± 1.425g, red mother liquor 8.157g ± 1.231g and yellow mother 5.546g ± 0.885g, be settled to 100mL with water.
This simulation soy sauce color system formulation, the standard colorimetric solution of preparation is the most close with soy sauce color, easily carry out colorimetric, color stability is better simultaneously, deposit 1 year under normal temperature condition, the change of its color and luster can control within the scope of eye recognition, can reuse and carry out colorimetric, avoid unnecessary waste, reduce costs low.
Below know-why of the present invention is described in conjunction with specific embodiments.These describe just in order to explain principle of the present invention, and can not be interpreted as limiting the scope of the invention by any way.Based on explanation herein, those skilled in the art does not need to pay performing creative labour can associate other embodiment of the present invention, and these modes all will fall within protection scope of the present invention.
Claims (10)
1. differentiate a soy sauce color level method for distinguishing by pigment standard color comparison card, it is characterized in that: comprise the following steps:
1), prepare pigment standard color comparison card, in described pigment standard color comparison card, be provided with the standard colorimetric solution for colorimetric be made up of dyestuff;
2), colorimetric, the solution in soy sauce and pigment standard color comparison card is carried out colorimetric, determines sauce cast of oil quality.
2. as claimed in claim 1 a kind of by pigment standard color comparison card differentiation soy sauce color level method for distinguishing, it is characterized in that: the standard colorimetric solution interval in described colorimetric card is arranged, and is equipped with the slot can placing soy sauce in the left side of standard colorimetric solution and right side.
3. as claimed in claim 1 a kind of differentiate soy sauce color level method for distinguishing by pigment standard color comparison card, it is characterized in that: described standard colorimetric solution comprises at least four kinds of standard color systcms, its being distributed as from being deep on colorimetric card is shallow or from shallow to deep.
4. as claimed in claim 1 a kind of by pigment standard color comparison card differentiation soy sauce color level method for distinguishing, it is characterized in that: the preparation of standard colorimetric solution comprises the steps:
1), prepare mother liquor, comprise the preparation of black mother liquor, red mother liquor and yellow mother;
Black mother liquor with plant carbon black and/or caramel for raw material is formulated;
Red mother liquor with lure red and/or carmine and/or erythrosine and/or pararosaniline hydrochloride and/or newly red and/or brave red for raw material formulated;
Yellow mother with lemon yellow and/or sunset yellow and/or magnificent yellow and/or turmeric for raw material is formulated;
2), prepare standard colorimetric solution, use above-mentioned mother liquor to measure soy sauce color grade scale on demand and select above-mentioned mother liquor to carry out diluting or being combinationally used, mix standard colorimetric solution.
5. as claimed in claim 3 a kind of by pigment standard color comparison card differentiation soy sauce color level method for distinguishing, it is characterized in that: standard color card I to standard color card IV color from shallow to deep, soy sauce color quality is determined according to following rule when carrying out colorimetric, wherein color and luster is shallower than and equals standard color card I, and regulation color and luster quality is 1 grade; Color and luster is deeper than standard color card I and is shallower than and equals standard color card II, and regulation color and luster quality is 2 grades; Color and luster is deeper than standard color card II and is shallower than and equals standard color card III, and regulation color and luster quality is 3 grades; Color and luster is deeper than standard color card III and is shallower than and equals standard color card IV, and regulation color and luster quality is 4 grades, and color and luster is deeper than and equals standard color card IV, and regulation color and luster quality is 5 grades.
6. as claimed in claim 2 a kind of by pigment standard color comparison card differentiation soy sauce color level method for distinguishing, it is characterized in that: in described colorimetric card, spaced standard colorimetric solution is placed in standard ware in advance, described standard ware is dismountable to be placed in described colorimetric card.
7. as claimed in claim 6 a kind of by pigment standard color comparison card differentiation soy sauce color level method for distinguishing, it is characterized in that: described soy sauce is placed in planchet in advance, be inserted into when colorimetric in the slot in described colorimetric card between adjacent modular colorimetric solution and carry out colorimetric.
8. as claimed in claim 1 a kind of by pigment standard color comparison card differentiation soy sauce color level method for distinguishing, it is characterized in that: described soy sauce can dilute in advance.
9. as claimed in claim 1 a kind of differentiate soy sauce color level method for distinguishing by pigment standard color comparison card, it is characterized in that: carry out step 2) colorimetric time substrate color be white or black.
10. one kind for differentiating the pigment standard color comparison card of soy sauce color grade, it is a rectangular box, be provided with multiple slot within it, described slot is divided into for placing standard colorimetric solution and for two kinds of placing soy sauce, between the two every setting, in the described slot for placing standard colorimetric solution, be inserted with the standard ware taking up standard colorimetric solution.
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Cited By (7)
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| CN108088802A (en) * | 2017-11-14 | 2018-05-29 | 内蒙古恒胜测试科技有限公司 | A kind of detection method of water quality colourity |
| CN109459394A (en) * | 2018-12-10 | 2019-03-12 | 刘楠 | A kind of food colour chemical detection devices and its detection method |
| CN109916699A (en) * | 2019-03-29 | 2019-06-21 | 瓮福达州化工有限责任公司 | A kind of detection method of purifying phosphoric acid coloration |
| CN111678878A (en) * | 2020-08-11 | 2020-09-18 | 民康医疗科技（天津）有限公司 | Method for calibrating and testing optical in-vitro detection instrument |
| CN112834492A (en) * | 2020-12-31 | 2021-05-25 | 广州安诺科技股份有限公司 | Detection reagent and kit for rapidly detecting potassium bromate |
| CN113796515A (en) * | 2021-09-16 | 2021-12-17 | 江苏欣悦海食品科技有限公司 | Safe processing and rapid evaluation method of homemade hot pot red oil |
| CN114018928A (en) * | 2021-11-26 | 2022-02-08 | 国检中心深圳珠宝检验实验室有限公司 | Emerald green color grading liquid standard sample and preparation method thereof |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108088802A (en) * | 2017-11-14 | 2018-05-29 | 内蒙古恒胜测试科技有限公司 | A kind of detection method of water quality colourity |
| CN109459394A (en) * | 2018-12-10 | 2019-03-12 | 刘楠 | A kind of food colour chemical detection devices and its detection method |
| CN109459394B (en) * | 2018-12-10 | 2021-03-12 | 刘楠 | Food pigment chemical detection device and detection method thereof |
| CN109916699A (en) * | 2019-03-29 | 2019-06-21 | 瓮福达州化工有限责任公司 | A kind of detection method of purifying phosphoric acid coloration |
| CN111678878A (en) * | 2020-08-11 | 2020-09-18 | 民康医疗科技（天津）有限公司 | Method for calibrating and testing optical in-vitro detection instrument |
| CN111678878B (en) * | 2020-08-11 | 2020-11-17 | 民康医疗科技（天津）有限公司 | Method for calibrating and testing optical in-vitro detection instrument |
| CN112834492A (en) * | 2020-12-31 | 2021-05-25 | 广州安诺科技股份有限公司 | Detection reagent and kit for rapidly detecting potassium bromate |
| CN113796515A (en) * | 2021-09-16 | 2021-12-17 | 江苏欣悦海食品科技有限公司 | Safe processing and rapid evaluation method of homemade hot pot red oil |
| CN114018928A (en) * | 2021-11-26 | 2022-02-08 | 国检中心深圳珠宝检验实验室有限公司 | Emerald green color grading liquid standard sample and preparation method thereof |
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