CN105639408A - Method for coloring and fixing colors of fruit and vegetable food using food colorings - Google Patents
Method for coloring and fixing colors of fruit and vegetable food using food colorings Download PDFInfo
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- CN105639408A CN105639408A CN201511031561.9A CN201511031561A CN105639408A CN 105639408 A CN105639408 A CN 105639408A CN 201511031561 A CN201511031561 A CN 201511031561A CN 105639408 A CN105639408 A CN 105639408A
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Abstract
The invention discloses a method for coloring and fixing colors of fruit and vegetable food using food colorings. The method comprises the following steps: (1) coloring solution preparation; (2) coloring; (3) fixing solution preparation; (4) fixing. By color laking of a colorant, the problems that canned fruits and vegetables are dim in color and easy for bleeding, fading, and color crossing are solved, so that the final product has a bright color and stable color, has no bleeding and color crossing, and has good sensory experience.
Description
Technical field
The present invention relates to fruit and vegerable class mass pigmentation and fixation field, use food coloring that fruit or vegetable type food carries out painted and fixation method particularly to a kind of.
Background technology
China is a large agricultural country, Ye Shi food processing big country. There is serious bleeding and colour contamination phenomenon in current domestic fruit and vegerable class canned food, both have impact on the quality of product and sensory experience, and also counteracts that the development of enterprise. For this, each manufacturing enterprise and correlational study unit put into manpower and financial resources, registration study one after another, make research and development focus.
Inquire about domestic related data, fruit and vegerable class coloring process, it is common to adopt and be simply pigment solution immersion coloring process, also take under acid medium, pH value assists for 3��4 times some auxiliary agents that product is carried out fixation, and it is painted and colour fixation is not good enough, fails to meet the market demand.
In the document such as Chinese patent CN104161251A " a kind of assorted fruits technique ", CN102047950A " a kind of tinned fruit colour fixative " and " food and medicine " the 9th volume the 10th phase in 2007 " research of Rhizoma Dioscoreae can processing condition of color protection ", use the antioxidants such as ascorbic acid, citric acid, distannous citrate, calcium chloride as colour fixative. This method is not added with coloring agent, protects the color that sarcocarp is original, it is prevented that g, but the flesh color handled well is dark, and places easy variable color for a long time, fades, and affects the sensory experience of product.
In Chinese patent CN1055638A " production method of a kind of red, green grapes canned food ", after sarcocarp hardening bleaching, add food coloring and carry out painted, finally use citric acid to prevent the method that food coloring fades from carrying out fixation as antioxidant. Painting after the color of the method removal sarcocarp itself, color and luster is brighter, but after fixation, pigment easily oozes out, if canned food has various fruits, then and easy colour contamination.
The pigmentation of fruits material is different from the dyeing in textile industry by food coloring, namely the adhesion of chemical bond it is absent from each other, and it is a kind of inside adsorbing or be dispersed in material or surface, there is the relation of a kind of concentration balance, when external environment changes, just create a kind of Jie's suction phenomenon, food coloring can in the high material of relative concentration, penetrate on the material that relative concentration is low, namely in water or syrup, cause bleeding, colour contamination.
Along with market development, demand constantly increases, and seeks new technology, new method, also becomes the research and development focus of each relevant enterprise.
Summary of the invention
The technical problem to be solved is in that a kind of food coloring provided for currently available technology above shortcomings painted method with fixation on fruit and vegerable class material.The present invention by this process of color lakeization is applied to fruit painted on, water colo(u)r is converted into the color lake that water oil is insoluble by coloring process, enclose the water soluble group in coloring agent, food coloring is prevented to spread in water or sugar aqueous solution, thus reaching the effect of fruit and vegerable series products not colour contamination each other. This technology is advanced at home, there is presently no similar bibliographical information.
The so-called color lake of the present invention, it is in aluminum soluble salt (such as aluminum chloride, aluminum sulfate etc.) solution, add alkaline agent (such as sodium bicarbonate, sodium carbonate) form aluminium hydroxide suspension, owing to pigment is had very strong adsorptivity by freshly prepd aluminium hydroxide, in aluminium hydroxide suspension, now add pigment solution, aluminium hydroxide is made to produce physical absorption with pigment molecular, form water, oily insoluble color lake granule, here it is color lake. And produce this process in color lake, it is color lake.
In order to reach above-mentioned technique effect, the present invention realizes by the following technical solutions:
A kind of use food coloring that fruit or vegetable type food carries out painted and fixation method, comprise the steps:
(1) coloring solution preparation process:
Weighing a certain amount of water, acid agent, food coloring, stir into uniform coloring solution at normal temperatures, wherein food coloring accounts for the mass percent of coloring solution is 0.01��0.1wt%, and it is 1��10wt% that acid agent accounts for the mass percent of coloring solution,
(2) tinting steps:
The fruit and vegerable that will process through hardening bleaching, rinsing, put in the coloring liquid configured, are slowly heated and are warming up to 45 DEG C��95 DEG C and carry out painted, and coloration time is 1��6 hour; After painted, taking out and obtain painted good fruit and vegerable, painted good fruit and vegerable do not do any process, enter fixation step below;
(3) preparation process of fixation solution:
Weigh water, alkaline agent, stir at normal temperatures and uniformly obtain fixation solution; Wherein alkaline agent accounts for the mass percent of fixation liquid is 1��20wt%;
(4) fixation step:
Painted for step (2) good fruit and vegerable are immersed in fixation solution prepared by step (3), at normal temperatures, fixation 20��60 minutes; Fixation is complete, rinses with clear water after taking-up, removes loose colour and residual alkali liquor, and get product fruit and vegerable.
In a preferred embodiment of the present invention, in step (1), in described coloring solution water account for the mass percent of coloring solution be 80��98wt%,
In a preferred embodiment of the present invention, in step (1), described acid agent is a kind of in aluminum chloride, aluminum sulfate or both mixing.
In a preferred embodiment of the invention, described aluminum chloride accounts for the mass percent of coloring solution is 1��10wt%.
In a preferred embodiment of the invention, described aluminum sulfate accounts for the mass percent of coloring solution is 1��10wt%.
In a preferred embodiment of the invention, in step (3), in described fixation solution, water accounts for the mass percent of solution is 80��98wt%.
In a preferred embodiment of the invention, in step (3), described alkaline agent is a kind of in sodium carbonate, sodium bicarbonate or both mixing.
In a preferred embodiment of the invention, described sodium carbonate accounts for the mass percent of fixation solution is 1��20wt%.
In a preferred embodiment of the invention, described sodium bicarbonate accounts for the mass percent of fixation solution is 1��20wt%.
In a preferred embodiment of the invention, in step (1), described food coloring is that lemon yellow, sunset yellow, carmine, amaranth, temptation be red, erythrosine, light blue, indigo in a kind of or arbitrarily two or more mixing.
The food coloring of the present invention is determined based on color and luster needed for being colored thing and shade. Described water is the water processed through deionization.
The present invention is different from that simple fruit and vegerable class is painted and fixation preparation technology, adopts a kind of brand-new preparation method, it is proposed to be similar to the scheme in color lake, can substantially solve this difficult problem.
By painted for any one preferred embodiment in the present invention and fixation fruit and vegerable, and fruit and vegerable painted through traditional handicraft, put into pure water stands simultaneously and observe, its coloring effect and fixation comparing result such as table 1 below:
Table 1. present invention and traditional stains technique coloring effect contrast table
After the present invention and traditional stains technique are contrasted known, the present invention by the color lake of coloring agent, solves the bleeding partially dark, easy of fruit and vegetable tin color and luster, fades, the problem of colour contamination, and final products color and luster is bright, colour stable, bleeding, colour contamination will not be there is, there is good sensory experience.
Detailed description of the invention
In order to make to realize the technological means of the present invention, creation characteristic is apparent to, and below in conjunction with example, the present invention is expanded on further.
Following instance unless otherwise specified, the pretreatment procedure such as all overcure decolouring of the fruit and vegerable of use, rinsing.
Embodiment 1:
Painted and the fixation of fruit Fructus Pruni pseudocerasi:
Coloring solution is prepared: weighs 500g water in 1000ml beaker, add the food coloring red 0.25g of temptation, acid agent (aluminum sulfate, content 99%) 20g, stirring, is configured to red containing 0.05% temptation and 4% aluminum sulfate coloring solution, stand-by.
Color method: by the Fructus Pruni pseudocerasi 200g of pre-treatment, put in the above-mentioned solution prepared, be slowly warming up to 60-65 DEG C, be incubated 2 hours in this temperature range, painted complete, take out the Fructus Pruni pseudocerasi being colored, do not need to do any process, lower road fixation program can be entered. Painted residual liquid can continue to apply mechanically.
Fixation liquid is prepared: weighs 500g water in 1000ml beaker, add alkaline agent (sodium bicarbonate, content 99%) 50g, and stirring is configured to 10% sodium bicarbonate solution, stand-by.
Color-fixing method: by above-mentioned painted Fructus Pruni pseudocerasi, puts in above-mentioned fixation liquid, at normal temperatures, and fixation 20 minutes. Loose colour and residual alkali liquor are removed in taking-up with clear water, and fixation can continue to apply mechanically residual night.
Painted fixation step completes.
Embodiment 2:
Painted and the fixation of fruit Fructus Pruni pseudocerasi:
Coloring solution is prepared: weighs 500g water in 1000ml beaker, add the food coloring red 0.5g of temptation, acid agent (aluminum sulfate, content 99%) 30g, stirring, is configured to red containing 0.1% temptation and 6% aluminum sulfate coloring solution, stand-by.
Color method: by the Fructus Pruni pseudocerasi 200g of pre-treatment, put in the above-mentioned solution prepared, be slowly warming up to 70 DEG C��75 DEG C, it is incubated 3 hours in this temperature range, painted complete, take out the Fructus Pruni pseudocerasi being colored, do not need to do any process, lower road fixation program can be entered. Painted residual liquid can continue to apply mechanically.
Fixation liquid is prepared: weighs 500g water in 1000ml beaker, add alkaline agent (sodium bicarbonate, content 99%) 50g, and stirring is configured to 15% sodium bicarbonate solution, stand-by.
Color-fixing method: by above-mentioned painted Fructus Pruni pseudocerasi, puts in above-mentioned fixation liquid, at normal temperatures, and fixation 20 minutes. Loose colour and residual alkali liquor are removed in taking-up with clear water, and fixation can continue to apply mechanically residual night.
Painted fixation step completes.
Embodiment 3:
Painted and the fixation of fruit Fructus Pruni pseudocerasi:
Coloring solution is prepared: weighs 500g water in 1000ml beaker, add the food coloring red 0.25g of temptation, acid agent (aluminum sulfate, content 99%) 50g, stirring, is configured to red containing 0.05% temptation and 10% aluminum sulfate coloring solution, stand-by.
Color method: by the Fructus Pruni pseudocerasi 200g of pre-treatment, put in the above-mentioned solution prepared, be slowly warming up to 80 DEG C��85 DEG C, it is incubated 1 hour in this temperature range, painted complete, take out the Fructus Pruni pseudocerasi being colored, do not need to do any process, lower road fixation program can be entered. Painted residual liquid can continue to apply mechanically.
Fixation liquid is prepared: weighs 500g water in 1000ml beaker, add alkaline agent (sodium bicarbonate, content 99%) 5g, and stirring is configured to 1% sodium bicarbonate solution, stand-by.
Color-fixing method: by above-mentioned painted Fructus Pruni pseudocerasi, puts in above-mentioned fixation liquid, at normal temperatures, and fixation 60 minutes. Loose colour and residual alkali liquor are removed in taking-up with clear water, and fixation can continue to apply mechanically residual night.
Painted fixation step completes.
Embodiment 4:
Painted and the fixation of fruit Fructus Pruni pseudocerasi:
Coloring solution is prepared: weighs 500g water in 1000ml beaker, add the food coloring red 0.25g of temptation, acid agent (aluminum sulfate, content 99%) 5g, stirring, is configured to red containing 0.05% temptation and 1% aluminum sulfate coloring solution, stand-by.
Color method: by the Fructus Pruni pseudocerasi 200g of pre-treatment, put in the above-mentioned solution prepared, be slowly warming up to 80 DEG C��85 DEG C, it is incubated 3 hours in this temperature range, painted complete, take out the Fructus Pruni pseudocerasi being colored, do not need to do any process, lower road fixation program can be entered. Painted residual liquid can continue to apply mechanically.
Fixation liquid is prepared: weighs 500g water in 1000ml beaker, add alkaline agent (sodium bicarbonate, content 99%) 5g, and stirring is configured to 1% sodium bicarbonate solution, stand-by.
Color-fixing method: by above-mentioned painted Fructus Pruni pseudocerasi, puts in above-mentioned fixation liquid, at normal temperatures, and fixation 50 minutes. Loose colour and residual alkali liquor are removed in taking-up with clear water, and fixation can continue to apply mechanically residual night.
Painted fixation step completes.
Embodiment 5:
Painted and the fixation of fruit Fructus Pruni pseudocerasi:
Coloring solution is prepared: weighs 500g water in 1000ml beaker, add the food coloring red 0.25g of temptation, acid agent (aluminum chloride, content 99%) 5g, stirring, is configured to red containing 0.05% temptation and 1% aluminum chloride coloring solution, stand-by.
Color method: by the Fructus Pruni pseudocerasi 200g of pre-treatment, put in the above-mentioned solution prepared, be slowly warming up to 80 DEG C��85 DEG C, it is incubated 3 hours in this temperature range, painted complete, take out the Fructus Pruni pseudocerasi being colored, do not need to do any process, lower road fixation program can be entered. Painted residual liquid can continue to apply mechanically.
Fixation liquid is prepared: weighs 500g water in 1000ml beaker, add alkaline agent (sodium bicarbonate, content 99%) 5g, and stirring is configured to 1% sodium bicarbonate solution, stand-by.
Color-fixing method: by above-mentioned painted Fructus Pruni pseudocerasi, puts in above-mentioned fixation liquid, at normal temperatures, and fixation 40 minutes. Loose colour and residual alkali liquor are removed in taking-up with clear water, and fixation can continue to apply mechanically residual night.
Painted fixation step completes.
Embodiment 6:
Painted and the fixation of fruit Fructus Pruni pseudocerasi:
Coloring solution is prepared: weighs 500g water in 1000ml beaker, add the food coloring red 0.25g of temptation, acid agent (aluminum chloride, content 99%) 50g, stirring, is configured to red containing 0.05% temptation and 10% aluminum chloride coloring solution, stand-by.
Color method: by the Fructus Pruni pseudocerasi 200g of pre-treatment, put in the above-mentioned solution prepared, be slowly warming up to 60 DEG C��65 DEG C, it is incubated 1 hour in this temperature range, painted complete, take out the Fructus Pruni pseudocerasi being colored, do not need to do any process, lower road fixation program can be entered. Painted residual liquid can continue to apply mechanically.
Fixation liquid is prepared: weighs 500g water in 1000ml beaker, add alkaline agent (sodium bicarbonate, content 99%) 100g, and stirring is configured to 20% sodium bicarbonate solution, stand-by.
Color-fixing method: by above-mentioned painted Fructus Pruni pseudocerasi, puts in above-mentioned fixation liquid, at normal temperatures, and fixation 20 minutes. Loose colour and residual alkali liquor are removed in taking-up with clear water, and fixation can continue to apply mechanically residual night.
Painted fixation step completes.
Embodiment 7:
Painted and the fixation of fruit Fructus Pruni pseudocerasi:
Coloring solution is prepared: weighs 500g water in 1000ml beaker, add the food coloring red 0.5g of temptation, acid agent (aluminum sulfate, content 99%) 50g, stirring, is configured to red containing 0.1% temptation and 10% aluminum sulfate coloring solution, stand-by.
Color method: by the Fructus Pruni pseudocerasi 200g of pre-treatment, put in the above-mentioned solution prepared, be slowly warming up to 45-50 DEG C, be incubated 4 hours in this temperature range, painted complete, take out the Fructus Pruni pseudocerasi being colored, do not need to do any process, lower road fixation program can be entered. Painted residual liquid can continue to apply mechanically.
Fixation liquid is prepared: weighs 500g water in 1000ml beaker, add alkaline agent (sodium bicarbonate, content 99%) 100g, and stirring is configured to 20% sodium bicarbonate solution, stand-by.
Color-fixing method: by above-mentioned painted Fructus Pruni pseudocerasi, puts in above-mentioned fixation liquid, at normal temperatures, and fixation 20 minutes. Loose colour and residual alkali liquor are removed in taking-up with clear water, and fixation can continue to apply mechanically residual night.
Painted fixation step completes.
Embodiment 8:
Painted and the fixation of fruit Fructus Pruni pseudocerasi:
Coloring solution is prepared: weighs 500g water in 1000ml beaker, add the food coloring red 0.25g of temptation, acid agent (aluminum sulfate, content 99%) 30g, stirring, is configured to red containing 0.05% temptation and 6% aluminum sulfate coloring solution, stand-by.
Color method: by the Fructus Pruni pseudocerasi 200g of pre-treatment, put in the above-mentioned solution prepared, be slowly warming up to 60-65 DEG C, be incubated 3 hours in this temperature range, painted complete, take out the Fructus Pruni pseudocerasi being colored, do not need to do any process, lower road fixation program can be entered. Painted residual liquid can continue to apply mechanically.
Fixation liquid is prepared: weighs 500g water in 1000ml beaker, add alkaline agent (sodium carbonate, content 99%) 10g, and stirring is configured to 2% sodium carbonate liquor, stand-by.
Color-fixing method: by above-mentioned painted Fructus Pruni pseudocerasi, puts in above-mentioned fixation liquid, at normal temperatures, and fixation 60 minutes. Loose colour and residual alkali liquor are removed in taking-up with clear water, and fixation can continue to apply mechanically residual night.
Painted fixation step completes.
Embodiment 9:
Painted and the fixation of fruit Fructus Pruni pseudocerasi:
Coloring solution is prepared: weighs 500g water in 1000ml beaker, add the food coloring red 0.25g of temptation, acid agent (aluminum chloride, content 99%) 50g, stirring, is configured to red containing 0.05% temptation and 10% aluminum chloride coloring solution, stand-by.
Color method: by the Fructus Pruni pseudocerasi 200g of pre-treatment, put in the above-mentioned solution prepared, be slowly warming up to 70-75 DEG C, be incubated 1 hour in this temperature range, painted complete, take out the Fructus Pruni pseudocerasi being colored, do not need to do any process, lower road fixation program can be entered. Painted residual liquid can continue to apply mechanically.
Fixation liquid is prepared: weighs 500g water in 1000ml beaker, add alkaline agent (sodium carbonate, content 99%) 100g, and stirring is configured to 20% sodium carbonate liquor, stand-by.
Color-fixing method: by above-mentioned painted Fructus Pruni pseudocerasi, puts in above-mentioned fixation liquid, at normal temperatures, and fixation 20 minutes. Loose colour and residual alkali liquor are removed in taking-up with clear water, and fixation can continue to apply mechanically residual night.
Painted fixation step completes.
Embodiment 10:
Painted and the fixation of fruit Fructus Pruni pseudocerasi:
Coloring solution is prepared: weighs 500g water in 1000ml beaker, add the food coloring red 0.25g of temptation, acid agent (aluminum chloride, content 99%) 5g, stirring, is configured to red containing 0.05% temptation and 1% aluminum chloride coloring solution, stand-by.
Color method: by the Fructus Pruni pseudocerasi 200g of pre-treatment, put in the above-mentioned solution prepared, be slowly warming up to 80-85 DEG C, be incubated 5 hours in this temperature range, painted complete, take out the Fructus Pruni pseudocerasi being colored, do not need to do any process, lower road fixation program can be entered. Painted residual liquid can continue to apply mechanically.
Fixation liquid is prepared: weighs 500g water in 1000ml beaker, add alkaline agent (sodium carbonate, content 99%) 5g, and stirring is configured to 1% sodium carbonate liquor, stand-by.
Color-fixing method: by above-mentioned painted Fructus Pruni pseudocerasi, puts in above-mentioned fixation liquid, at normal temperatures, and fixation 60 minutes. Loose colour and residual alkali liquor are removed in taking-up with clear water, and fixation can continue to apply mechanically residual night.
Painted fixation step completes.
Embodiment 11:
Painted and the fixation of fruit Fructus Pruni pseudocerasi:
Coloring solution is prepared: weighs 500g water, addition food coloring amaranth 0.5g, acid agent (aluminum sulfate, content 99%) 20g, stirring in 1000ml beaker, is configured to the coloring solution containing 0.1% amaranth and 4% aluminum sulfate, stand-by.
Color method: by the Fructus Pruni pseudocerasi 200g of pre-treatment, put in the above-mentioned solution prepared, be slowly warming up to 80-85 DEG C, be incubated 2 hours in this temperature range, painted complete, take out the Fructus Pruni pseudocerasi being colored, do not need to do any process, lower road fixation program can be entered. Painted residual liquid can continue to apply mechanically.
Fixation liquid is prepared: weighs 500g water in 1000ml beaker, add alkaline agent (sodium bicarbonate, content 99%) 50g, and stirring is configured to 10% sodium bicarbonate solution, stand-by.
Color-fixing method: by above-mentioned painted Fructus Pruni pseudocerasi, puts in above-mentioned fixation liquid, at normal temperatures, and fixation 30 minutes. Loose colour and residual alkali liquor are removed in taking-up with clear water, and fixation can continue to apply mechanically residual night.
Painted fixation step completes.
Embodiment 12:
Painted and the fixation of fruit Fructus Pruni pseudocerasi:
Coloring solution is prepared: weighs 500g water, addition food coloring erythrosine 0.25g, acid agent (aluminum sulfate, content 99%) 20g, stirring in 1000ml beaker, is configured to the coloring solution containing 0.05% erythrosine and 4% aluminum sulfate, stand-by.
Color method: by the Fructus Pruni pseudocerasi 200g of pre-treatment, put in the above-mentioned solution prepared, be slowly warming up to 70-75 DEG C, be incubated 2 hours in this temperature range, painted complete, take out the Fructus Pruni pseudocerasi being colored, do not need to do any process, lower road fixation program can be entered. Painted residual liquid can continue to apply mechanically.
Fixation liquid is prepared: weighs 500g water in 1000ml beaker, add alkaline agent (sodium bicarbonate, content 99%) 40g, and stirring is configured to 8% sodium bicarbonate solution, stand-by.
Color-fixing method: by above-mentioned painted Fructus Pruni pseudocerasi, puts in above-mentioned fixation liquid, at normal temperatures, and fixation 40 minutes. Loose colour and residual alkali liquor are removed in taking-up with clear water, and fixation can continue to apply mechanically residual night.
Painted fixation step completes.
Embodiment 13:
Painted and the fixation of Cortex cocois radicis gel:
Coloring solution is prepared: weighs 500g water in 1000ml beaker, add the food coloring red 0.05g of temptation, acid agent (aluminum sulfate, content 99%) 20g, stirring, is configured to red containing 0.25% temptation and 4% aluminum sulfate coloring solution, stand-by.
Color method: by the Cortex cocois radicis gel 200g of pre-treatment, put in the above-mentioned solution prepared, be to slowly warm up to 42-45 DEG C, be incubated 6 hours in this temperature range, painted complete, take out the Cortex cocois radicis gel being colored, do not need to do any process, lower road fixation program can be entered.Painted residual liquid can continue to apply mechanically.
Fixation liquid is prepared: weighs 500g water in 1000ml beaker, add alkaline agent (sodium bicarbonate, content 99%) 40g, and stirring is configured to 8% sodium bicarbonate solution, stand-by.
Color-fixing method: by above-mentioned painted Cortex cocois radicis gel, puts in above-mentioned fixation liquid, at normal temperatures, and fixation 60 minutes. Loose colour and residual alkali liquor are removed in taking-up with clear water, and fixation can continue to apply mechanically residual night.
Painted fixation step completes.
Embodiment 14: the painted and fixation of Retinervus Luffae Fructus
Coloring solution is prepared: weighs 500g water, addition food coloring lemon yellow 0.2g, acid agent (aluminum sulfate) 20g, stirring in 1000ml beaker, is configured to the coloring solution containing 0.04% lemon yellow and 4% aluminum sulfate, stand-by.
Color method: by the Retinervus Luffae Fructus dry product 10g of pre-treatment, put in the above-mentioned solution prepared, be to slowly warm up to 90-95 DEG C, it is incubated 1 hour in this temperature range, painted complete, take out the Retinervus Luffae Fructus being colored, do not need to do any process, lower road fixation program can be entered. Painted residual liquid can continue to apply mechanically.
Fixation liquid is prepared: weigh 500g water, alkaline agent (sodium carbonate, content) 20g in 1000ml beaker, stirring, is configured to 4% sodium carbonate liquor, stand-by.
Color-fixing method: by above-mentioned painted Retinervus Luffae Fructus, puts in above-mentioned fixation liquid, at normal temperatures, and fixation 20 minutes. Loose colour and residual acid solution are removed in taking-up with clear water, and fixation can continue to apply mechanically residual night.
Painted fixation step completes.
Embodiment 15: the painted and fixation of fresh bamboo shoots
Coloring solution is prepared: weighs 500g water, addition food coloring lemon yellow 0.05g, acid agent (aluminum sulfate) 20g, stirring in 1000ml beaker, is configured to the coloring solution containing 0.01% lemon yellow and 4% aluminum sulfate, stand-by.
Color method: by the fresh bamboo shoots 50g of pre-treatment, put in the above-mentioned solution prepared, 45 DEG C stand 2 hours, painted complete, take out the fresh bamboo shoots being colored, do not need to do any process, can enter lower road fixation program. Painted residual liquid can continue to apply mechanically.
Fixation liquid is prepared: weigh 500g water, alkaline agent (sodium bicarbonate, content) 10g in 1000ml beaker, stirring, is configured to 2% sodium bicarbonate solution, stand-by.
Color-fixing method: by above-mentioned painted fresh bamboo shoots, puts in above-mentioned fixation liquid, at normal temperatures, and fixation 20 minutes. Loose colour and residual acid solution are removed in taking-up with clear water, and fixation can continue to apply mechanically residual night.
Painted fixation step completes.
The ultimate principle of the present invention and principal character and advantages of the present invention are more than shown and described. Skilled person will appreciate that of the industry; the present invention is not restricted to the described embodiments; described in above-described embodiment and description is that principles of the invention is described; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements both fall within the claimed scope of the invention.
Claims (10)
1. one kind uses food coloring that fruit or vegetable type food carries out painted and fixation method, it is characterised in that comprise the steps:
(1) coloring solution preparation process:
Weighing a certain amount of water, acid agent, food coloring, stir into uniform coloring solution at normal temperatures, wherein food coloring accounts for the mass percent of coloring solution is 0.01��0.1wt%, and it is 1��10wt% that acid agent accounts for the mass percent of coloring solution,
(2) tinting steps:
The fruit and vegerable that will process through hardening bleaching, rinsing, put in the coloring liquid configured, are slowly heated and are warming up to 45 DEG C��95 DEG C and carry out painted, and coloration time is 1��6 hour;After painted, taking out and obtain painted good fruit and vegerable, painted good fruit and vegerable do not do any process, enter fixation step below;
(3) preparation process of fixation solution:
Weigh water, alkaline agent, stir at normal temperatures and uniformly obtain fixation solution; Wherein alkaline agent accounts for the mass percent of fixation liquid is 1��20wt%;
(4) fixation step:
Painted for step (2) good fruit and vegerable are immersed in fixation solution prepared by step (3), at normal temperatures, fixation 20��60 minutes; Fixation is complete, rinses with clear water after taking-up, removes loose colour and residual alkali liquor, and get product fruit and vegerable.
2. as claimed in claim 1 a kind of use food coloring that fruit or vegetable type food carries out painted and fixation method, it is characterised in that in step (1), in described coloring solution, water accounts for the mass percent of coloring solution is 80��98wt%.
3. as claimed in claim 1 a kind of using food coloring that fruit or vegetable type food carries out painted and fixation method, it is characterised in that in step (1), described acid agent is a kind of in aluminum chloride, aluminum sulfate or both mixing.
4. as claimed in claim 3 a kind of use food coloring that fruit or vegetable type food carries out painted and fixation method, it is characterised in that it is 1��10wt% that described aluminum chloride accounts for the mass percent of coloring solution.
5. a kind of as described in claim 3 or 4 uses food coloring that fruit or vegetable type food carries out painted and fixation method, it is characterised in that it is 1��10wt% that described aluminum sulfate accounts for the mass percent of coloring solution.
6. as claimed in claim 1 a kind of use food coloring that fruit or vegetable type food carries out painted and fixation method, it is characterised in that in step (3), in described fixation solution, water accounts for the mass percent of solution is 80��98wt%.
7. as claimed in claim 1 a kind of using food coloring that fruit or vegetable type food carries out painted and fixation method, it is characterised in that in step (3), described alkaline agent is a kind of in sodium carbonate, sodium bicarbonate or both mixing.
8. as claimed in claim 7 a kind of use food coloring that fruit or vegetable type food carries out painted and fixation method, it is characterised in that it is 1��20wt% that described sodium carbonate accounts for the mass percent of fixation solution.
9. as claimed in claim 7 or 8 a kind of use food coloring that fruit or vegetable type food carries out painted and fixation method, it is characterised in that it is 1��20wt% that described sodium bicarbonate accounts for the mass percent of fixation solution.
10. as claimed in claim 1 a kind of use food coloring that fruit or vegetable type food carries out painted and fixation method, it is characterized in that, in step (1), described food coloring is that lemon yellow, sunset yellow, carmine, amaranth, temptation be red, erythrosine, light blue, indigo in a kind of or arbitrarily two or more mixing.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511031561.9A CN105639408A (en) | 2015-12-31 | 2015-12-31 | Method for coloring and fixing colors of fruit and vegetable food using food colorings |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511031561.9A CN105639408A (en) | 2015-12-31 | 2015-12-31 | Method for coloring and fixing colors of fruit and vegetable food using food colorings |
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| CN105639408A true CN105639408A (en) | 2016-06-08 |
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| CN201511031561.9A Pending CN105639408A (en) | 2015-12-31 | 2015-12-31 | Method for coloring and fixing colors of fruit and vegetable food using food colorings |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112482050A (en) * | 2020-11-24 | 2021-03-12 | 林晓莉 | Vegetable dyeing method of loofah sponge |
| JP7398164B1 (en) | 2023-04-07 | 2023-12-14 | プリマール株式会社 | Cosmetics and cosmetic manufacturing methods |
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|---|---|---|---|---|
| CN1040491A (en) * | 1988-08-20 | 1990-03-21 | 辽宁省食品进出口公司 | Technology for dyeing fruits and prescription of its dyeing liquor |
| CN1515183A (en) * | 2003-08-27 | 2004-07-28 | 上海染料研究所有限公司 | Preparation method of edible color lake for special food additive |
| CN103421344A (en) * | 2013-07-10 | 2013-12-04 | 杭州弗沃德精细化工有限公司 | Preparation technology of cochineal pigment with colorful effect |
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|---|---|---|---|---|
| CN1040491A (en) * | 1988-08-20 | 1990-03-21 | 辽宁省食品进出口公司 | Technology for dyeing fruits and prescription of its dyeing liquor |
| CN1515183A (en) * | 2003-08-27 | 2004-07-28 | 上海染料研究所有限公司 | Preparation method of edible color lake for special food additive |
| CN103421344A (en) * | 2013-07-10 | 2013-12-04 | 杭州弗沃德精细化工有限公司 | Preparation technology of cochineal pigment with colorful effect |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112482050A (en) * | 2020-11-24 | 2021-03-12 | 林晓莉 | Vegetable dyeing method of loofah sponge |
| JP7398164B1 (en) | 2023-04-07 | 2023-12-14 | プリマール株式会社 | Cosmetics and cosmetic manufacturing methods |
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Application publication date: 20160608 |