CN108294227A - A kind of natural green food coloring and preparation method thereof - Google Patents

A kind of natural green food coloring and preparation method thereof Download PDF

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Publication number
CN108294227A
CN108294227A CN201810313584.6A CN201810313584A CN108294227A CN 108294227 A CN108294227 A CN 108294227A CN 201810313584 A CN201810313584 A CN 201810313584A CN 108294227 A CN108294227 A CN 108294227A
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China
Prior art keywords
food coloring
water
gardenia
natural green
raw material
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CN201810313584.6A
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Chinese (zh)
Inventor
赵博谦
李伟明
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Guangzhou City Star Food Co Ltd
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Guangzhou City Star Food Co Ltd
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Priority to CN201810313584.6A priority Critical patent/CN108294227A/en
Publication of CN108294227A publication Critical patent/CN108294227A/en
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    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23LFOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
    • A23L5/00Preparation or treatment of foods or foodstuffs, in general; Food or foodstuffs obtained thereby; Materials therefor
    • A23L5/40Colouring or decolouring of foods
    • A23L5/42Addition of dyes or pigments, e.g. in combination with optical brighteners
    • A23L5/43Addition of dyes or pigments, e.g. in combination with optical brighteners using naturally occurring organic dyes or pigments, their artificial duplicates or their derivatives
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23VINDEXING SCHEME RELATING TO FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES AND LACTIC OR PROPIONIC ACID BACTERIA USED IN FOODSTUFFS OR FOOD PREPARATION
    • A23V2002/00Food compositions, function of food ingredients or processes for food or foodstuffs

Abstract

The present invention provides a kind of natural green food coloring, which is characterized in that the natural green food coloring includes following weight percent raw material:Gardenia Yellow 0.05% 5%, gardenia blue 0.05% 5%, sodium copper chlorophyllin 0.05% 10%, turmeric 0.05% 3%, single, diglycerine fatty acid ester 0.05% 2%, ascorbic acid 0.05% 2%, surplus are water.The strong coloring force of natural green food coloring of the present invention is not easy to be influenced by factors such as PH, temperature, illumination, oxidations.

Description

A kind of natural green food coloring and preparation method thereof
Technical field
The present invention relates to food coloring technical fields more particularly to a kind of natural green food coloring and preparation method thereof.
Background technology
Food coloring is one kind of pigment, and being used in right amount in food can make food change original face to a certain extent The food additives of color.The color of food is a key factor of food sensible quality.People are often used when making food Food coloring.The food coloring used has natural food colour and synthetic food colors two major classes.
Natural food colour is the food coloring obtained by natural resources.Mainly from animal and plant tissue and microorganism (Culture)The pigment of middle extraction, wherein vegetalitas colorant occupy the majority.Natural pigment not only has the function of to food color, and And considerable part natural pigment has physiological activity.Synthetic food colors is mostly made using coal tar of raw material, is generally called coal tar pigment Or this this pigment of aniline dye is bright in colour, strong coloring force, tone is various, of low cost, but some has certain toxicity.
Natural green food coloring is greeny food coloring, presently mainly based on synthetic food colors.It is existing Natural non-polluted edible pigment stability it is poor, easily influenced and faded or brown stain by factors such as PH, light, hot oxygen.
Invention content
It is poor to solve existing natural non-polluted edible pigment stability, it is easily influenced and is faded by factors such as PH, light, heat, oxygen Or the technical issues of brown stain, the present invention provide a kind of natural non-polluted edible pigment, improve natural non-polluted edible pigment and stablize Property reaches pigment and is not easy to be influenced by factors such as light, heat, oxygen and fade or the technique effect of brown stain.
To achieve the above object, it is achieved by following technical solution:
A kind of natural green food coloring, the natural green food coloring include following weight percent raw material:Gardenia Yellow 0.05%-5%, gardenia blue 0.05%-5%, sodium copper chlorophyllin 0.05%-10%, turmeric 0.05%-3%, list, diglycerine fatty acid ester 0.05%-2%, ascorbic acid 0.05%-2%, surplus are water.
Preferably, the natural green food coloring includes following weight percent raw material:Gardenia Yellow 0.1%-3%, cape jasmine Blue 0.1%-3%, sodium copper chlorophyllin 0.1%-5%, turmeric 0.1%-1%, list, diglycerine fatty acid ester 0.1%-0.5%, ascorbic acid 0.1%-0.5%, surplus are water.
Preferably, the natural green food coloring includes following weight percent raw material:Gardenia Yellow 2%, gardenia blue 2%, Sodium copper chlorophyllin 3%, turmeric 0.5%, list, diglycerine fatty acid ester 0.3%, ascorbic acid 0.3%, surplus are water;
A kind of production technology of natural green food coloring, the technique include the following steps:
1)Weigh the raw material of following weight percent:Gardenia Yellow 0.05%-5%, gardenia blue 0.05%-5%, sodium copper chlorophyllin 0.05%-10%, turmeric 0.05%-3%, list, diglycerine fatty acid ester 0.05%-2%, ascorbic acid 0.05%-2%, surplus are water;
2)Emulsion dispersion:By raw material Gardenia Yellow, gardenia blue, sodium copper chlorophyllin, turmeric, list, diglycerine fatty acid ester, Vitamin C Acid, water, 10 ~ 60min of emulsion dispersion;
3)Filtering.
Preferably, the raw material of the weight percent is:Gardenia Yellow 0.1%-3%, gardenia blue 0.1%-3%, chlorophyll copper sodium Salt 0.1%-5%, turmeric 0.1%-1%, list, diglycerine fatty acid ester 0.1%-0.5%, ascorbic acid 0.1%-0.5%, surplus are water.
Preferably, sieve used in the filtration step is 100 ~ 300 mesh.
Preferably, the emulsion dispersion is using equipment:High shear homogenizing emulsifying pump(Three-level rotor), power 7.5KW, Treating capacity:0-8T/H, rotating speed:2900r/min, root diameter:150mm.
Preferably, the working method of the emulsion dispersion equipment:Lower suction cycle.
Preferably, the treating capacity:6T/H.
Advantageous effect:
The strong coloring force of natural green food coloring of the present invention, is not easy by PH, temperature(After testing, it can be protected at 105 DEG C It holds 1h and does not decompose discoloration), illumination (not brown stain), the factors such as oxidation influence.
Specific embodiment
A kind of preparation of 1 natural green food coloring of embodiment
A kind of preparation of natural green food coloring, including following preparation process:
1)Weigh the raw material of following weight percent:Gardenia Yellow 0.05%, gardenia blue 0.05%, sodium copper chlorophyllin 0.05%, turmeric 0.05%, single, diglycerine fatty acid ester 0.05%, ascorbic acid 0.05%, surplus are water;
2)Emulsion dispersion:By raw material Gardenia Yellow, gardenia blue, sodium copper chlorophyllin, turmeric, list, diglycerine fatty acid ester, Vitamin C Acid and water, emulsion dispersion 10min;
3)Filtering:It is filtered using 100 mesh screens.
The emulsion dispersion is using equipment:High shear homogenizing emulsifying pump(Three-level rotor), power 7.5KW, treating capacity: 0.1T/H, rotating speed:2900r/min, root diameter:150mm, working method:Lower suction cycle.
After the assay was approved up to the natural green food coloring.
Experiment test:
One, PH ranges Detection of Stability
1. PH range Detection of Stability
1.1 method:Common pH range in simulation food:PH range 4-8, with corresponding buffer solution:
(1)Experimental group:The pigment of material rate in embodiment 1, using different PH buffers go out PH be respectively 4.3,5.3, 6.5,6.8,7.6,8.2 experimental group;
(2)Control group 1:Commercially available green pigment identical with mass percent in embodiment 1 makes PH difference using different PH For 4.3,5.3,6.5,6.8,7.6,8.2 control groups 1;
(3)Control group 2:The solution that the following raw material of mass percent is prepared:Gardenia blue 0.1%, sodium copper chlorophyllin 0.05%, ginger Huang 0.05%, list, diglycerine fatty acid ester 0.05%, ascorbic acid 0.05%, surplus are water or difference PH buffer solutions, are made PH is respectively 4.3,5.3,6.5,6.8,7.6,8.2 control group 2.
Emulsion dispersion equipment emulsion dispersion 10min, 100 mesh filter screen filtrations is used to obtain in the sample of three above group Experiment solution used.The emulsion dispersion is using equipment:High shear homogenizing emulsifying pump(Three-level rotor), power 7.5KW, place Reason amount:0.1T/H, rotating speed:2900r/min, root diameter:150mm, working method:Lower suction cycle.
Indoor conditions places 15 days respectively, observation state:
Buffer solution:1, citric acid-sodium hydroxide-hydrochloride buffer(PH range 2.2-6.5);
2, barbital sodium-hydrochloride buffer(PH range 6.8-8.2).
Standards of grading:With the sample scoring of distilled water Fresh for 10 points;7-9.5 is clarified, and is faded, 5-7 have it is muddy or Precipitation is faded;5 hereinafter, precipitation, colour fading, discoloration.
2. experimental result
Table 1:
Ph value ranges 4.3 5.3 6.5 Distilled water 6.8 7.6 8.2
(Green experiment group)Fresh 10 10 10 10 10 10
(Green control group 1)Fresh 8 9 10 10 10 10
(Green control group 2)Fresh 9 10 10 10 10 9
(Green experiment group)15 days 8 9 9.0 9.0 9 8
(Green control sample 1)15 days 4 4 5 6 5 5.5
(Green control group 2)15 days 5 5 6 7 6.5 6
By the above result shows that, the natural green food coloring that the present invention compounds, have extraordinary PH stability, PH4.3 ~ 8.2 stability is significantly better than commercially available green pigment, and the Gardenia Yellow of this formula is extremely important to the stability of experiment, lacks The marennin stability of Gardenia Yellow, compounding has significant decline.
Two, high temperature is tested
1. experimental method:
(1)Experimental group:The pigment of material rate, adds water to be configured to experimental group in embodiment 1.
(2)Control group 1:0.3% commercially available green pigment solution of mass percent is configured to using water, at control group 1;
(3)Control group 2:The following solution of material quality percentage:Gardenia blue 0.1%, sodium copper chlorophyllin 0.05%, turmeric 0.05%, single, diglycerine fatty acid ester 0.05%, ascorbic acid 0.05%, surplus are water.
(4)With reference to solution:According to pigment raw material ratio in embodiment 1, it is to be configured to the mother liquor that pigment quality is 0.3% 10 grades of solution, on this basis, be diluted with water to pigment mass percent be 0.03%, 0.06%, 0.09%, 0.12%, 0.15%, 0.18%, the aqueous solution of 0.21%, 0.24%, 0.27% 9 grades, totally 10 grades.
By the sample of above 4 groups use emulsion dispersion equipment emulsion dispersion 10min, 100 mesh, 100 mesh filter screen filtration, It obtains testing solution used.The emulsion dispersion is using equipment:High shear homogenizing emulsifying pump(Three-level rotor), power 7.5KW, treating capacity:0.2T/H, rotating speed:2900r/min, root diameter:150mm, working method:Lower suction cycle.
Prepared experimental group, control group 1, control group 2 are put into tool plug test tube, put high-pressure sterilizing pot into, is controlled 105 degree of temperature, after a certain period of time, with the 0.03% of Fresh, 0.06%, 0.09%, 0.12%, 0.15%, 0.18%, 0.21%, 0.24%, 0.27%, 0.3% aqueous solution is compared with colorimetric method.
2. experimental result
Table 2:
Time Experimental group(Green) Control group 1(Outsourcing) Control group 2
Now match 10 10 10
1 hour 9.5 6 7.5
2 hours 8.5 4 6
By the above result shows that, the natural green food coloring that the present invention compounds, have extraordinary high-temperature stability, in high temperature Condition stability inferior is significantly better than commercially available green pigment, and the Gardenia Yellow of this formula is extremely important to the stability of experiment, lacks Few Gardenia Yellow, the marennin stability of compounding have significant decline.
Three, illumination experiment
1. experimental method:
1)Experimental group:The pigment of material rate, adds water to be configured to experimental group in embodiment 1.
(1)Experimental group:The pigment of material rate, adds water to be configured to experimental group in embodiment 1;
(2)Control group 1:Water is used to be configured to mass percent for 0.3% commercially available green pigment solution, at control group 1;
(3)Control group 2:The solution that the following raw material of mass percent is prepared:Gardenia blue 0.1%, sodium copper chlorophyllin 0.05%, ginger Huang 0.05%, list, diglycerine fatty acid ester 0.05%, ascorbic acid 0.05%, surplus are water;
(4)With reference to solution:According to pigment raw material ratio in embodiment 1, being configured to the mother liquor that pigment mass percent is 0.3% is 10th grade of solution, on this basis, be diluted with water to pigment mass percent be 0.03%, 0.06%, 0.09%, 0.12%, 0.15%, the aqueous solution of 0.18%, 0.21%, 0.24%, 0.27% 9 grades, totally 10 grades.
Emulsion dispersion equipment emulsion dispersion 10min, 100 mesh filter screen filtrations is used to obtain reality in the sample of above 4 groups Test solution used.The emulsion dispersion is using equipment:High shear homogenizing emulsifying pump(Three-level rotor), power 7.5KW, processing Amount:0.2T/H, rotating speed:2900r/min, root diameter:150mm, working method:Lower suction cycle.
Experiment condition:It puts experimental group, control group 1, control group 2 into constant temperature lighting box, adjusts intensity of illumination: 12000 Lux compared with the reference solution of Fresh, obtain colour fading grade after a certain period of time.With the 0.03% of Fresh, 0.06%, 0.09%, 0.12%, 0.15%, 0.18%, 0.21%, 0.24%, 0.27%, 0.3% aqueous solution is compared with colorimetric method, and correspondence takes off Color degree is 10 grades, and 10 be colour-fast, and 9.5 start to fade:
2. experimental result
Table 3:
Experimental group(Green) Control group 1(Outsourcing) Control group 2
Now match 10 10 10
Illumination 24 hours 9.0 6 7
Illumination 48 hours 8.5 4.5 6
By the above result shows that, the natural green food coloring that the present invention compounds, have extraordinary light durability, in illumination Intensity is that 12000 Lux condition stability inferiors are significantly better than commercially available green pigment, and the Gardenia Yellow of this formula is to the steady of experiment It is qualitative extremely important, lack Gardenia Yellow, the marennin stability of compounding has significant decline.
A kind of preparation of 2 natural green food coloring of embodiment
A kind of preparation of natural green food coloring, including following preparation process:
1)Weigh the raw material of following weight percent:Gardenia Yellow 2%, gardenia blue 2%, sodium copper chlorophyllin 3%, turmeric 0.5%, list, Diglycerine fatty acid ester 0.3%, ascorbic acid 0.3%, surplus are water;
2)Emulsion dispersion:By raw material Gardenia Yellow, gardenia blue, sodium copper chlorophyllin, turmeric, list, diglycerine fatty acid ester, Vitamin C Acid and water, emulsion dispersion 20min;
3)Filtering:It is filtered using 200 mesh screens.
The emulsion dispersion is using equipment:High shear homogenizing emulsifying pump(Three-level rotor), power 7.5KW, treating capacity: 6T/H, rotating speed:2900r/min, root diameter:150mm, working method:Lower suction cycle.
After the assay was approved up to the natural green food coloring.
Experiment test:
One, PH ranges Detection of Stability
1. PH range Detection of Stability
1.1 method:Common pH range in simulation food:PH range 4-8, with corresponding buffer solution:
(1)Experimental group:The pigment of material rate in embodiment 2, using different PH buffers go out PH be respectively 4.3,5.3, 6.5,6.8,7.6,8.2 experimental group;
(2)Control group 1:Commercially available green pigment identical with mass percent in embodiment 2 makes PH difference using different PH For 4.3,5.3,6.5,6.8,7.6,8.2 control groups 1;
(3)Control group 2:The solution that the following raw material of mass percent is prepared:Gardenia Yellow 4%, sodium copper chlorophyllin 3%, turmeric 0.5%, single, diglycerine fatty acid ester 0.3%, ascorbic acid 0.3%, surplus are water or difference PH buffer solutions, make PH difference For 4.3,5.3,6.5,6.8,7.6,8.2 control group 2.
Emulsion dispersion equipment emulsion dispersion 20min, 200 mesh filter screen filtrations is used to obtain in the sample of three above group Experiment solution used.The emulsion dispersion is using equipment:High shear homogenizing emulsifying pump(Three-level rotor), power 7.5KW, place Reason amount:6T/H, rotating speed:2900r/min, root diameter:150mm, working method:Lower suction cycle.
Indoor conditions places 15 days respectively, observation state:
Buffer solution:1, citric acid-sodium hydroxide-hydrochloride buffer(PH range 2.2-6.5);
2, barbital sodium-hydrochloride buffer(PH range 6.8-8.2).
Standards of grading:With the sample scoring of distilled water Fresh for 10 points;7-9.5 is clarified, and is faded, 5-7 have it is muddy or Precipitation is faded;5 hereinafter, precipitation, colour fading, discoloration.
2. experimental result
Table 4:
Ph value ranges 4.3 5.3 6.5 Distilled water 6.8 7.6 8.2
(Green)Fresh 10 10 10 10 10 10
(Green control group 1) 8 9 10 10 10 10
(Green control group 2) 10 10 10 10 10 10
(Green)15 days 8.5 9 9.5 9.5 9.5 9
(Green control sample 1)15 days 4 4 5 6 5 5.5
(Green control group 2)15 days 5 6 6.5 7.5 6.0 6
By the above result shows that, the natural green food coloring that the present invention compounds, have extraordinary PH stability, PH4.3 ~ 8.2 stability is significantly better than commercially available green pigment, and the gardenia blue of this formula is extremely important to the stability of experiment, lacks The marennin stability of gardenia blue, compounding has significant decline.
Two, high temperature is tested
1. experimental method:
(1)Experimental group:The pigment of material rate, adds water to be configured to experimental group in embodiment 2.
(2)Control group 1:Water is used to be configured to mass percent for 8.1% commercially available green pigment solution, at control group 1;
(3)Control group 2:The solution that the following raw material of mass percent is prepared:Gardenia Yellow 4%, sodium copper chlorophyllin 3%, turmeric 0.5%, single, diglycerine fatty acid ester 0.3%, ascorbic acid 0.3%, surplus are water.
(4)With reference to solution:According to pigment raw material ratio in embodiment 2, it is configured to the mother that pigment mass percent is 8.1% Liquid be the 10th grade of solution, on this basis, be diluted with water to pigment mass percent be 0.81%, 1.62%, 2.43%, 3.24%, 4.05%, the aqueous solution of 4.86%, 5.67%, 6.48%, 7.29% 9 grades, totally 10 grades.
Emulsion dispersion equipment emulsion dispersion 20min, 200 mesh filter screen filtrations is used to obtain reality in the sample of above 4 groups Test solution used.The emulsion dispersion is using equipment:High shear homogenizing emulsifying pump(Three-level rotor), power 7.5KW, processing Amount:6T/H, rotating speed:2900r/min, root diameter:150mm, working method:Lower suction cycle.
Prepared experimental group, control group 1, control group 2 are put into tool plug test tube, put high-pressure sterilizing pot into, is controlled 105 degree of temperature, after a certain period of time, with the 0.81% of Fresh, 1.62%, 2.43%, 3.24%, 4.05%, 4.86%, 5.67%, 6.48%, 7.29%, 8.1% aqueous solution is compared with colorimetric method.
2. experimental result
Table 5:
Time Experimental group(Green) Control group 1(Outsourcing) Control group 2
Now match 10 10 10
1 hour 9.5 6 7.5
2 hours 9.0 4 7
By the above result shows that, the natural green food coloring that the present invention compounds, have extraordinary high-temperature stability, in high temperature Condition stability inferior is significantly better than commercially available green pigment, and the gardenia blue of this formula is extremely important to the stability of experiment, lacks Few gardenia blue, the marennin stability of compounding have significant decline.
Three, illumination experiment
1. experimental method:
(1)Experimental group:The pigment of material rate, adds water to be configured to experimental group in embodiment 2.
(2)Control group 1:Water is used to be configured to mass percent for 8.1% commercially available green pigment solution, at control group 1;
(3)Control group 2:The solution that the following raw material of mass percent is prepared:Gardenia Yellow 4%, sodium copper chlorophyllin 3%, turmeric 0.5%, single, diglycerine fatty acid ester 0.3%, ascorbic acid 0.3%, surplus are water.
(4)With reference to solution:According to pigment raw material ratio in embodiment 2, it is configured to the mother that pigment mass percent is 8.1% Liquid be the 10th grade of solution, on this basis, be diluted with water to pigment mass percent be 0.81%, 1.62%, 2.43%, 3.24%, 4.05%, the aqueous solution of 4.86%, 5.67%, 6.48%, 7.29% 9 grades, totally 10 grades.
Emulsion dispersion equipment emulsion dispersion 20min, 200 mesh filter screen filtrations is used to obtain reality in the sample of above 4 groups Test solution used.The emulsion dispersion is using equipment:High shear homogenizing emulsifying pump(Three-level rotor), power 7.5KW, processing Amount:6T/H, rotating speed:2900r/min, root diameter:150mm, working method:Lower suction cycle.
Experiment condition:It puts experimental group, control group 1, control group 2 into constant temperature lighting box, adjusts intensity of illumination: 12000 Lux compared with the reference solution of Fresh, obtain colour fading grade after a certain period of time.With the 0.81% of Fresh, 1.62%, 2.43%, 3.24%, 4.05%, 4.86%, 5.67%, 6.48%, 7.29%, 8.1% aqueous solution is compared with colorimetric method, and correspondence takes off Color degree is 10 grades, and 10 be colour-fast, and 9.5 start to fade:
2. experimental result
Table 6:
Experimental group(Green) Control group 1(Outsourcing) Control group 2
Now match 10 10 10
Illumination 24 hours 9.5 6 7.5
Illumination 48 hours 9.5 4.5 6.0
By the above result shows that, the natural green food coloring that the present invention compounds, have extraordinary light durability, in illumination Intensity is that 12000 Lux condition stability inferiors are significantly better than commercially available green pigment, and the gardenia blue of this formula is to the steady of experiment It is qualitative extremely important, lack gardenia blue, the marennin stability of compounding has significant decline.
A kind of preparation of 3 natural green food coloring of embodiment
A kind of preparation of natural green food coloring, including following preparation process:
1)Weigh the raw material of following weight percent:Gardenia Yellow 5%, gardenia blue 5%, sodium copper chlorophyllin 10%, turmeric 3%, list, it is double Fatty acid glyceride 2%, ascorbic acid 2%, surplus are water.
2)Emulsion dispersion:By raw material Gardenia Yellow, gardenia blue, sodium copper chlorophyllin, turmeric, list, diglycerine fatty acid ester resists Bad hematic acid and water, emulsion dispersion 60min;
3)Filtering:It is filtered using 300 mesh screens.
The emulsion dispersion is using equipment:High shear homogenizing emulsifying pump(Three-level rotor), power 7.5KW, treating capacity: 8T/H, rotating speed:2900r/min, root diameter:150mm, working method:Lower suction cycle.
After the assay was approved up to the natural green food coloring.
Experiment test:
One, PH ranges Detection of Stability
1. PH range Detection of Stability
1.1 method:Common pH range in simulation food:PH range 4-8, with corresponding buffer solution:
(1)Experimental group:The pigment of material rate in embodiment 3, using different PH buffers go out PH be respectively 4.3,5.3, 6.5,6.8,7.6,8.2 experimental group;
(2)Control group 1:Commercially available green pigment identical with mass percent in embodiment 3 makes PH difference using different PH For 4.3,5.3,6.5,6.8,7.6,8.2 control groups 1;
(3)Control group 2:The solution of mass percent the following raw material:Gardenia Yellow 5%, gardenia blue 7%, sodium copper chlorophyllin 10%, ginger Huang 3%, ascorbic acid 2%, surplus are water.
Or difference PH buffer solutions, make the control group 2 that PH is respectively 4.3,5.3,6.5,6.8,7.6,8.2.
Emulsion dispersion equipment emulsion dispersion 20min, 200 mesh filter screen filtrations is used to obtain in the sample of three above group Experiment solution used.The emulsion dispersion is using equipment:High shear homogenizing emulsifying pump(Three-level rotor), power 7.5KW, place Reason amount:8T/H, rotating speed:2900r/min, root diameter:150mm, working method:Lower suction cycle.
Indoor conditions places 15 days respectively, observation state:
Buffer solution:1, citric acid-sodium hydroxide-hydrochloride buffer(PH range 2.2-6.5);
2, barbital sodium-hydrochloride buffer(PH range 6.8-8.2).
Standards of grading:With the sample scoring of distilled water Fresh for 10 points;7-9.5 is clarified, and is faded, 5-7 have it is muddy or Precipitation is faded;5 hereinafter, precipitation, colour fading, discoloration.
2. experimental result
Table 7:
Ph value ranges 4.3 5.3 6.5 Distilled water 6.8 7.6 8.2
(Green experiment group)Fresh 10 10 10 10 10 10
(Green control group 1)Fresh 8 9 10 10 10 10
(Green control group 2)Fresh 9 10 10 10 10 9
(Green experiment group)15 days 8 8.5 9.0 9.0 9.0 8.5
(Green control sample 1)15 days 4 4 5 6 5 5.5
(Green control group 2)15 days 5 6 6.5 7 6.0 5.5
By the above result shows that, the natural green food coloring that the present invention compounds, have extraordinary PH stability, PH4.3 ~ 8.2 stability is significantly better than commercially available green pigment, and the list of this formula, and diglycerine fatty acid ester is non-to the stability of experiment It is often important, lack list, the marennin stability of diglycerine fatty acid ester, compounding has significant decline.
Two, high temperature is tested
1. experimental method:
(1)Experimental group:The pigment of material rate, adds water to be configured to experimental group in embodiment 3.
(2)Control group 1:Water is used to be configured to mass percent for 27% commercially available green pigment solution, at control group 1;
(3)Control group 2:The solution of mass percent the following raw material:Gardenia Yellow 5%, gardenia blue 7%, sodium copper chlorophyllin 10%, ginger Huang 3%, ascorbic acid 2%, surplus are water.
(4)With reference to solution:According to pigment raw material ratio in embodiment 3, it is configured to the mother liquor that pigment mass percent is 27% For the 10th grade of solution, on this basis, be diluted with water to pigment mass percent be 2.7%, 5.4%, 8.1%, 10.8%, 13.5%, 16.2%, the aqueous solution of 18.9%, 21.6%, 24.3% 9 grades, totally 10 grades.
Emulsion dispersion equipment emulsion dispersion 60min, 300 mesh filter screen filtrations is used to obtain reality in the sample of above 4 groups Test solution used.The emulsion dispersion is using equipment:High shear homogenizing emulsifying pump(Three-level rotor), power 7.5KW, processing Amount:8T/H, rotating speed:2900r/min, root diameter:150mm, working method:Lower suction cycle.
Prepared experimental group, control group 1, control group 2 are put into tool plug test tube, put high-pressure sterilizing pot into, is controlled 105 degree of temperature, after a certain period of time, with the 2.7% of Fresh, 5.4%, 8.1%, 10.8%, 13.5%, 16.2%, 18.9%, 21.6%, 24.3%, 27% aqueous solution is compared with colorimetric method.
2. experimental result
Table 8:
Time Experimental group(Green) Control group 1(Outsourcing) Control group 2
Now match 10 10 10
1 hour 9.0 6 7.0
2 hours 8.5 4 6
By the above result shows that, the natural green food coloring that the present invention compounds, have extraordinary high-temperature stability, in high temperature Condition stability inferior is significantly better than commercially available green pigment, and the list of this formula, stability of the diglycerine fatty acid ester to experiment It is extremely important, lack list, the marennin stability of diglycerine fatty acid ester, compounding has significant decline.
Three, illumination experiment
1. experimental method:
(1)Experimental group:The pigment of material rate, adds water to be configured to experimental group in embodiment 3.
(2)Control group 1:Water is used to be configured to mass percent for 27% commercially available green pigment solution, at control group 1;
(3)Control group 2:The solution of mass percent the following raw material:Gardenia Yellow 5%, gardenia blue 7%, sodium copper chlorophyllin 10%, ginger Huang 3%, ascorbic acid 2%, surplus are water.
(4)With reference to solution:According to pigment raw material ratio in embodiment 3, it is the 10th to be configured to the mother liquor that pigment quality is 27% Grade solution, on this basis, be diluted with water to pigment quality be 2.7%, 5.4%, 8.1%, 10.8%, 13.5%, 16.2%, 18.9%, 21.6%, the aqueous solution of 24.3% 9 grades, totally 10 grades.
Emulsion dispersion equipment emulsion dispersion 60min, 300 mesh filter screen filtrations is used to obtain reality in the sample of above 4 groups Test solution used.The emulsion dispersion is using equipment:High shear homogenizing emulsifying pump(Three-level rotor), power 7.5KW, processing Amount:8T/H, rotating speed:2900r/min, root diameter:150mm, working method:Lower suction cycle.
Experiment condition:It puts experimental group, control group 1, control group 2 into constant temperature lighting box, adjusts intensity of illumination: 12000 Lux compared with the reference solution of Fresh, obtain colour fading grade after a certain period of time.With the 2.7% of Fresh, 5.4%, 8.1%, 10.8%, 13.5%, 16.2%, 18.9%, 21.6%, 24.3%, 27% aqueous solution is compared with colorimetric method, corresponding to fade Degree is 10 grades, and 10 be colour-fast, and 9.5 start to fade:
2. experimental result
Table 9:
Experimental group(Green) Control group 1(Outsourcing) Control group 2
Now match 10 10 10
Illumination 24 hours 9.5 6 7.0
Illumination 48 hours 8.5 4.5 6.0
By the above result shows that, the natural green food coloring that the present invention compounds, have extraordinary light durability, in illumination Intensity is that 12000 Lux condition stability inferiors are significantly better than commercially available green pigment, and the list of this formula, diglycerine fatty acid ester It is extremely important to the stability of experiment, lack list, the marennin stability of diglycerine fatty acid ester, compounding has significant decline.

Claims (9)

1. a kind of natural green food coloring, which is characterized in that the natural green food coloring includes following weight percent Raw material:Gardenia Yellow 0.05%-5%, gardenia blue 0.05%-5%, sodium copper chlorophyllin 0.05%-10%, turmeric 0.05%-3%, list, it is double sweet Oil and fat acid esters 0.05%-2%, ascorbic acid 0.05%-2%, surplus are water.
2. natural green food coloring according to claim 1, which is characterized in that the natural green food coloring includes following Weight percent raw material:Gardenia Yellow 0.1%-3%, gardenia blue 0.1%-3%, sodium copper chlorophyllin 0.1%-5%, turmeric 0.1%-1%, Single, diglycerine fatty acid ester 0.1%-0.5%, ascorbic acid 0.1%-0.5%, surplus are water.
3. natural green food coloring according to claim 2, which is characterized in that the natural green food coloring includes following Weight percent raw material:Gardenia Yellow 2%, gardenia blue 2%, sodium copper chlorophyllin 3%, turmeric 0.5%, single, diglycerine fatty acid ester 0.3%, ascorbic acid 0.3%, surplus are water.
4. a kind of production technology of natural green food coloring, which is characterized in that the technique includes the following steps:
1)Weigh the raw material of following weight percent:Gardenia Yellow 0.05%-5%, gardenia blue 0.05%-5%, sodium copper chlorophyllin 0.05%-10%, turmeric 0.05%-3%, list, diglycerine fatty acid ester 0.05%-2%, ascorbic acid 0.05%-2%, surplus are water;
2)Emulsion dispersion:By raw material Gardenia Yellow, gardenia blue, sodium copper chlorophyllin, turmeric, list, diglycerine fatty acid ester, Vitamin C Acid, water, 10 ~ 60min of emulsion dispersion;
3)Filtering.
5. production technology according to claim 4, which is characterized in that the raw material of the weight percent is:Gardenia Yellow 0.1%- 3%, gardenia blue 0.1%-3%, sodium copper chlorophyllin 0.1%-5%, turmeric 0.1%-1%, list, diglycerine fatty acid ester 0.1%-0.5%, Ascorbic acid 0.1%-0.5%, surplus are water.
6. production technology according to claim 4, which is characterized in that sieve used in the filtration step is 100 ~ 300 mesh.
7. production technology according to claim 4, which is characterized in that the emulsion dispersion is using equipment:High shear homogeneous Emulsification pump(Three-level rotor), power 7.5KW, treating capacity:0-8T/H, rotating speed:2900r/min, root diameter:150mm.
8. production technology according to claim 7, which is characterized in that the working method of the emulsion dispersion equipment:Lower suction follows Ring.
9. production technology according to claim 7, which is characterized in that the treating capacity:6T/H.
CN201810313584.6A 2018-04-10 2018-04-10 A kind of natural green food coloring and preparation method thereof Pending CN108294227A (en)

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