CN1016067B - The preparation technology of natural edible pigment from Chinese pera-leaved crabapple - Google Patents
The preparation technology of natural edible pigment from Chinese pera-leaved crabappleInfo
- Publication number
- CN1016067B CN1016067B CN88105777A CN88105777A CN1016067B CN 1016067 B CN1016067 B CN 1016067B CN 88105777 A CN88105777 A CN 88105777A CN 88105777 A CN88105777 A CN 88105777A CN 1016067 B CN1016067 B CN 1016067B
- Authority
- CN
- China
- Prior art keywords
- preparation technology
- pigment
- hydrochloric acid
- calyx
- product
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Landscapes
- Coloring Foods And Improving Nutritive Qualities (AREA)
Abstract
The preparation technology of natural edible pigment from Chinese pera-leaved crabapple belongs to the foodstuff additive category.The present invention leads a cow calyx with dilute hydrochloric acid leaching more than 20 minutes with natural phant, vacuum decompression evaporation then, concentrate and add that an amount of ethanol is removed pectin and product.Its technology is simple, and is easy to operate, pollution-free, saves time, and cost is low, and extraction yield is higher, every physico-chemical property of product and toxicological evaluation (L
D50＞aspect excellent property such as 10000mg/kg) all has more firm dying property to albumen, starch, carbohydrate, and can with other any pigment toning, wide to the food suitability, successfully try out in food such as candy, carbonated drinks, respond well.
Description
The present invention relates to a kind of production technique of natural edible pigment from Chinese pera-leaved crabapple, belong to foodstuff additive.
Food dye is to be the foodstuff additive of purpose with the food color, can be divided into synthetic and natural two big classes by its source.Synthetic colour belongs to coal tar dyestuff more, not only has no nutritive value, and may bring toxic substance in the synthesis technique, is detrimental to health.Therefore, the use of synthetic colour is fewer and feweri, controls more and more tighter.In contrast, people are more and more interested in the natural pigment that extracts from the natural fabric tissue, and are devoted to its research and development work, obtained certain achievement in this respect.Such as, from natural herb plant corolla, extract natural pigment, existing sailor yellow, safflower red pigment research; From natural annual voluble herb plant, as extracting carthamin in morning glory (the belong to japanese bearbind material) corolla, day the disclosure specially permit among the clear 57-58871 report to some extent.This technical process is: the calyx of will leading a cow more than 3 hours, adds ferment (proteolytic enzyme, reductase enzyme) with ethanol and water logging bubble simultaneously in the immersion process, filter with the strainer that diatomite, micro activated carbon particle are housed then, the filtrate vacuum concentration and product.This technology weak point is that flow process is longer, and troublesome poeration will consume a large amount of ethanol and ferment simultaneously, the cost height.
The object of the invention refers to overcoming the toxicity hazard of synthetic colour, excavates the natural food colour resource, proposes a kind of novel process for preparing the natural flowers haematochrome from natural morning glory, to overcome the deficiencies in the prior art.
Preparation technology of the present invention is: soak 20 minute or more with dilute hydrochloric acid the fresh calyx of leading a cow; soaking temperature is less than 90 ℃; filter then; filtrate vacuum-evaporation concentrates, and when evaporation concentration during to about 0.1～0.3 left and right sides of original volume, cooling adds an amount of ethanol; leave standstill; remove by filter precipitated pectin, the filtrate vacuum concentration continues to be concentrated into E behind the recovery ethanol again
1/100 1cm〉=0.5(is look valency 〉=5), be product of the present invention.
Adding ethanol is in order to remove the part pectin in the solution.As food dye, allow (also needing) a small amount of pectin to exist, so amount of alcohol added is decided on the pectin amount that need remove, be generally the 0.2～equivalent that concentrates volume.
The comparatively ideal processing condition of the present invention are: dilute hydrochloric acid concentration is 0.5～2.5%, the ratio W/V=1 of lead a cow calyx raw material and hydrochloric acid: 3～6, and 50～70 ℃ of leaching temperatures, leaching time 20～60 minutes, the pressure during reduction vaporization is less than 680mmHg.
Find that in experiment the OD value of different varieties flower has than big-difference, therefore, if introducing culture should note selecting for use the higher kind of pigment content as the raw material flower.
The main physical and chemical of product of the present invention is as follows:
1, proterties: finished product is the scarlet thick liquid, and degree Beaume is about 10Be °, can mix with water and ethanol arbitrary proportion, is insoluble in other solvent.Acidic medium takes on a red color, and look gorgeous, and is stable; Neutral medium is purple, and it is green that alkalescence is.
2, dying property: product all has more firm dying property to materials such as albumen, starch, carbohydrates.
3, thermostability: product pigment is under acidic conditions (pH=4), and from 50 ℃ of normal temperature, 60 ℃, 70 ℃, 80 ℃, 90 ℃, 100 ℃ heating in water bath 10 minutes, the product absorbancy only descends 0.03.Product Heat stability is good under acidic conditions is described.
4, light stability: product pigment under acidic conditions (pH=3) through exposure 90 days (not doing maximum value), absorbancy is constant substantially.）
5, with the metal ion reaction: finished product pigment and Fe, Al, Ca, Mg, Mn, Zn, Ni, Cu, K, Na plasma all do not have color reaction.
6, chemical structure: pigment of the present invention is made up of p(a)eonidin (A), Cyanidin (B) and three kinds of structural materials of pelargonin (C), and its structural formula is:
7, invention security of products toxicological evaluation: per os L of small white mouse
D50(Lethal Dose 50) measured greater than 1000mg/kg, belongs to non-toxic substance with reference to present common toxicity grade scale.The subordinate phase toxicological test has been selected bacterial mutation test, mouse bone marrow cells PCE micronucleus test and mouse sperm distortion test, and above-mentioned three test-results are all negative, illustrates that this pigment given the test agent does not have mutagenesis.
Technology of the present invention is simple, and is easy to operate, pollution-free, save time, economize can, cost is low, aspect excellent propertys such as the physico-chemical property of its product and toxicological evaluation, and all can mix colours with other any pigment, wide to the food suitability, successfully try out in acid Artificial grape pearl, candy and carbonated drink
Respond well.
Embodiment 1:
Raw material: pluck and remove non-pigment morning glory calyx long handle, leave and take the fresh calyx of leading a cow (for general wild flower kind) that contains the pigment calyx, selects impurity.
Take by weighing the above-mentioned calyx of 1000 grams, add 6000ml, 0.5%HCl, soaked 40 minutes down at 80 ℃, filter (filter residue soaks for the second time again), when filtrate is concentrated into 600ml under 700mmHg, cooling, 95% ethanol of adding equivalent, left standstill 1 hour, cause, precipitation is washed 1～2 time merging filtrate with small amount of ethanol, filtrate is stepwise distillation under 700mmHg again, reclaim ethanol, and then the E 〉=0.5(that continues to be distilled to solution is look valency 〉=5), be the finished product pigment, be the scarlet thick liquid, volume is about 500ml.
Embodiment 2:
Raw material is with example 1.Take by weighing a certain amount of calyx raw material, salt acid soak with 1.5%, raw material is 1: 3 with the ratio of hydrochloric acid, 60 ℃ of soaking temperatures, under agitation soaked 30 minutes, dry with whizzer, (residue steeps once with new liquid the elimination residue again, its soak solution gives over to and soaks mother liquor next time), filtrate is when vacuum concentration is to 0.1 times of volume under 680mmHg, cooling, adding is with respect to 95% ethanol that concentrates 0.2 times of back volume, left standstill 30 minutes, and removed by filter pectin precipitation (precipitation is washed 1～2 time with a little ethanol, and wash water is incorporated filtrate into).Filtrate is continued distillation again under identical vacuum tightness, ethanol steams earlier, treats that it has steamed the back and has continued distillation, to the E that measures solution 〉=0.7(look valency 〉=7) be the finished product pigment, extraction yield is 93%.
Claims (5)
1, a kind of preparation technology of natural edible pigment from Chinese pera-leaved crabapple; with the morning glory calyx is raw material; it is characterized in that soaking more than 20 minutes with dilute hydrochloric acid down less than 90 ℃ the morning glory calyx; then soak solution is being concentrated less than vacuum-evaporation under the 680mmHg; add 0.2-equivalent ethanol during to 0.1-0.3 times of original volume; filter, filtrate is distilled under identical vacuum tightness again, reclaims ethanol and continues to be distilled to solution
〉=0.5.
2, preparation technology according to claim 1 is characterized in that concentration of hydrochloric acid is 0.5-2.5%.
3, preparation technology according to claim 1 is characterized in that the ratio W/V=1 of raw material weight and hydrochloric acid: 3-6.
4, preparation technology according to claim 1 is characterized in that soaking temperature 50-70 ℃.
5, preparation technology according to claim 1 is characterized in that soak time is 20-60 minute.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN88105777A CN1016067B (en) | 1988-09-26 | 1988-09-26 | The preparation technology of natural edible pigment from Chinese pera-leaved crabapple |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN88105777A CN1016067B (en) | 1988-09-26 | 1988-09-26 | The preparation technology of natural edible pigment from Chinese pera-leaved crabapple |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1041375A CN1041375A (en) | 1990-04-18 |
| CN1016067B true CN1016067B (en) | 1992-04-01 |
Family
ID=4833921
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN88105777A Expired CN1016067B (en) | 1988-09-26 | 1988-09-26 | The preparation technology of natural edible pigment from Chinese pera-leaved crabapple |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1016067B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB0415181D0 (en) | 2004-07-06 | 2004-08-11 | School Of Pharmacy The Univers | Compounds for use in the treatment of infection |
| CN104073021A (en) * | 2014-06-26 | 2014-10-01 | 南通润启时装有限公司 | Preparation and application of grape natural dye |
| CN106349736A (en) * | 2016-08-05 | 2017-01-25 | 雷春生 | Preparation method of pure organic photosensitive dye |
| CN113563733A (en) * | 2021-07-30 | 2021-10-29 | 杭州网易严选贸易有限公司 | Morning glory pigment extraction method, morning glory pigment extracting solution and application thereof |
-
1988
- 1988-09-26 CN CN88105777A patent/CN1016067B/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CN1041375A (en) | 1990-04-18 |
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