CN106893349A - A kind of extraction process of red rose haematochrome - Google Patents
A kind of extraction process of red rose haematochrome Download PDFInfo
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- CN106893349A CN106893349A CN201510952867.1A CN201510952867A CN106893349A CN 106893349 A CN106893349 A CN 106893349A CN 201510952867 A CN201510952867 A CN 201510952867A CN 106893349 A CN106893349 A CN 106893349A
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- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
- C09B61/00—Dyes of natural origin prepared from natural sources, e.g. vegetable sources
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Abstract
The invention discloses a kind of extraction process of red rose haematochrome：(1) dry red rose powder is mixed with 95wt% ethanol, pH value to 2-4 is adjusted with aqueous citric acid solution, at room temperature, pre-processed at a high speed, homogeneous is extracted, filtering；(2) filter residue after filtering is mixed with 95wt% ethanol, pH value to 2-4 is adjusted with aqueous citric acid solution, homogeneous is extracted again, filtering；(3) filtrate is centrifuged, collects supernatant, freeze-drying is powdered, that is, obtain red rose haematochrome；Extraction process of the invention is simple, low to production equipment requirement, and extraction efficiency is high, and extraction time greatly shortens, hence it is evident that better than traditional solvent extraction method.The red rose haematochrome good water solubility of acquisition, appearance luster is good, proterties stabilization, is adapted as food additives and healthy food material.
Description
Technical field
The invention belongs to the extractive technique field of natural pigment, and in particular to a kind of extraction process of red rose haematochrome.
Background technology
Peanut is one of main oil crops in the world, and red rose is the kind skin of peanut, is the kind skin of legume peanut, rufous, film quality, sweet, slight bitter, mild-natured.Its main component is cellulose 37%~42%, fat 10%~14%, protein 11%~18% and ash content 8%~21%, also contain about 7% tannin and various pigments, red rose has the effect of hemostasis scattered silt, detumescence, is the key agents for treating anaemia and haemorrhage, and have concurrently tonifying kidney and nourishing stomach, moisten the lung and relieve the cough, tonifying middle-Jiao and Qi, the curative effect of detoxicating intestine, the effect of red rose is strong 50 times in itself compared with shelled peanut,《Compendium of Materia Medica》With《Pharmacopoea Chinensis》Deng on the books in book.With the raising of living standard, the Diet concept of people also there occurs change.Wish while enjoying delicious, effect of diseases prevention to be reached again, this requires food in addition to nutrition, should also contain the material for being conducive to body-care, and with reference to traditional medicine and modern medicine study, red rose has great medical value.Therefore, to the research and application of red rose, can not only turn waste into wealth, the comprehensive utilization value and economic worth of peanut can also be improved.To promoting the development of China's food industry, the material life of healthy, the abundant people of enhancing people to have important practical significance.
Used as natural pigment, red rose haematochrome extracting method has solvent extraction method, ultrasonic extraction, supercritical CO 2 extraction, microwave induction extraction and Enzymatic Extraction etc..Solvent extraction method is simple, convenient due to its, and Extracting temperature is low, quality better, also the most extensive using earliest.Traditional has its advantage by extraction pigment of ethanol, but shortcoming is quite a few, and pigment production is very low, easily causes waste, and the recovery of rear solvent also increases certain cost, and economic serviceability is relatively low.
The content of the invention
The technical problems to be solved by the invention be the extraction red rose haematochrome for overcoming traditional method in extract time-consuming, solvent consumption is big, extracted amount is low, high cost the shortcomings of, so as to provide a kind of extracting method of new red rose haematochrome, improve traditional alcohol extraction, red rose haematochrome extraction yield is improve while extraction cost is not increased, shorten extraction time, the usage amount of solvent is reduced, for the industry application value for expanding red rose haematochrome lays the first stone.
The invention provides a kind of extraction process of red rose haematochrome, comprise the following steps：
(1) dry red rose powder is mixed with 95wt% ethanol, pH values to 2-4 is adjusted with aqueous citric acid solution, at room temperature, pre-processed at a high speed, homogeneous is extracted, filtering；
(2) filter residue after filtering is mixed with 95wt% ethanol, pH values to 2-4 is adjusted with aqueous citric acid solution, at room temperature, homogeneous is extracted, filtering；
(3) filtrate of step (1) and (2) is centrifuged, collects supernatant, freeze-drying is powdered, that is, obtain red rose haematochrome；
Wherein, pretreatment is to be processed more than 5 minutes, preferably 5-20 minutes with 5000-10000 revs/min at a high speed described in step (1)；Homogeneous in step (1) or (2) is extracted as being processed more than 10 minutes, preferably 10-60 minutes with 1000-4000 revs/min.
Wherein, the red rose powder is preferably dimensioned to be the sieve that can cross 100 mesh.
Wherein, the red rose powder can be obtained according to this area conventional method, be obtained by following step in the present invention：Fresh red rose is taken through washing, dry, grinding and sieving；Described sieving was preferably 100 mesh sieves.
In step (1), the red rose powder is preferably 1g/5mL~1g/10mL with the quality volume of the 95wt% ethanol.
In step (2), the filter residue is preferably 1g/5mL~1g/10mL with the quality volume of the 95wt % ethanol.
The present invention is not particularly limited for the concentration of step (1) or the aqueous citric acid solution of (2), as long as can dissolve citric acid solid, the concentration of such as aqueous citric acid solution can be 0.1mol/L.
In the preferred embodiment of the present invention, described high speed pretreatment is to be processed 5-10 minutes with 9000-10000 revs/min, and the homogeneous described in step (1) and step (2) is extracted as being processed 10-30 minutes with 3000 revs/min.
In the present invention, the high speed pretreatment and the homogeneous are extracted and can carried out in homogenizer.
In step (3), the rotating speed of the centrifugation is preferably 200-2000 revs/min, preferably 1000 revs/min.It is 5-30 minutes that the time of the centrifugation is preferably.
Preferably, the supernatant of step (3) is first concentrated into freeze-drying again.Described concentration is general by the way of vacuum concentration using the conventional operating procedure in this area, so as to be more beneficial for freeze-drying.Solid content reaches more than 30% in being typically concentrated into the supernatant.
The red rose haematochrome for obtaining is extracted by above-mentioned technique present invention also offers a kind of.
Room temperature of the present invention is that this area is understood the routine of room temperature, refers generally to 5-40 DEG C.
On the basis of common sense in the field is met, above-mentioned each optimum condition can be combined, and obtain final product each preferred embodiment of the invention.
Reagent, raw material and the equipment that the present invention is used are all commercially available, and chemical reagent purity used is at least food
Level.
Positive effect of the invention is：
(1) extraction of red rose haematochrome of the present invention is carried out in two stages under the auxiliary of high-shear homogenizing machine, the high speed pretreatment of first stage is smaller by the little particle change of red rose, make it easier to be distributed evenly in solution, reach extraction effect than more uniform, extraction comparison is thorough；And the stage is extracted compared with the homogeneous under low rate, also relatively standing extraction or other extracting methods has pigment recovery rate higher.
(2) present invention adjusts pH values with aqueous citric acid solution, the excitant using the acid such as hydrochloric acid is reduced, while citric acid can increased reliability of the pigment as feed conversion as the acid of pigment and preservative.
(3) extraction process of the invention is simple, low to production equipment requirement, and extraction efficiency is high, and extraction time is short, hence it is evident that better than traditional solvent extraction method.And described extraction process can be carried out at room temperature, it is not necessary to carry out heating extraction.
(4) the red rose haematochrome good water solubility that present invention process is extracted, product appearance color and luster is good, proterties stabilization, is adapted as food additives and healthy food material.
Specific embodiment
The present invention is further illustrated with embodiment below, but the present invention is not intended to be limited thereto, and the raw material in embodiment is conventional commercial product.
Embodiment 1
1) take new red rose to dry after washing to constant weight, finally crushed 100 mesh sieve and be made red rose powder, weigh 100 grams of above-mentioned red rose powder, it is standby.
2) 95wt% ethanol (red rose powder: 95wt% ethanol=1g: 5mL) is added, and adjust pH values to 2.0 with the citric acid solution of 0.1 mol/L, at room temperature, pre-processed 5 minutes at a high speed with 10000 revs/min, then filtered after being extracted 30 minutes with 3000 revs/min of homogeneous.
3) filtrate is collected, 95wt% ethanol (filter residue: 95wt% ethanol=1g: 5mL) is added in filter residue, and pH values to 2.0 are adjusted with the citric acid solution of 0.1 mol/L, at room temperature, filtered after being extracted 30 minutes with 3000 revs/min of homogeneous.
4) merge filtrate twice, at room temperature, be centrifuged 10 minutes with 1000 revs/min, go precipitation, to collect that carry out after supernatant freeze-drying powdered, that is, obtain 14.6 grams of red rose haematochrome, color：Aubergine, colour value 24.4.
Embodiment 2
1) take new fresh hide to dry after washing to constant weight, crushed 100 mesh sieves, be made red rose powder, weigh 100 grams of above-mentioned red rose powder, it is standby.
2) 95wt% ethanol (red rose powder: 95wt% ethanol=1g: 7mL) is added, and adjust pH values to 3.0 with the citric acid solution of 0.1 mol/L, at room temperature, pre-processed 10 minutes at a high speed with 10000 revs/min, then filtered after being extracted 20 minutes with 3000 revs/min of homogeneous.
3) filtrate is collected, 95wt% ethanol (filter residue: 95wt% ethanol=1g: 7mL) is added in filter residue, and pH values to 3.0 are adjusted with the citric acid solution of 0.1 mol/L, filtered after being extracted 20 minutes with 3000 revs/min of homogeneous at room temperature.
4) merge filtrate twice, at room temperature, be centrifuged 15 minutes with 1000 revs/min, go precipitation, to collect that carry out after supernatant freeze-drying powdered, that is, obtain 14.3 grams of red rose haematochrome, color：Aubergine, colour value 24.3.
Embodiment 3
1) take new red rose to dry after washing to constant weight, crushed 100 mesh sieves, be made red rose powder, weigh 100 grams of above-mentioned red rose powder, it is standby.
2) add 95wt% ethanol (red rose powder: 95wt% ethanol=1g:
10mL), and with the citric acid solution of 0.1 mol/L pH values to 4.0 are adjusted, at room temperature, is pre-processed 10 minutes at a high speed with 10000 revs/min, then filtered after being extracted 10 minutes with 3000 revs/min of homogeneous.
3) collect filtrate, added in filter residue 95wt% ethanol (filter residue: 95wt% ethanol=1g:
10mL), and with the citric acid solution of 0.1 mol/L pH values to 4.0 are adjusted, is filtered after being extracted 10 minutes with 3000 revs/min of homogeneous at room temperature.
4) merge filtrate twice, at room temperature, be centrifuged 15 minutes with 1000 revs/min, go precipitation, to collect that carry out after supernatant freeze-drying powdered, that is, obtain 14.6 grams of red rose haematochrome, color：Aubergine, colour value 24.2.
Embodiment 4
1) take new fresh hide to dry after washing to constant weight, finally crushed 100 mesh sieve and be made red rose powder, weigh 100 grams of above-mentioned red rose powder, it is standby.
2) add 95wt% ethanol (red rose powder: 95wt% ethanol=1g:
10mL), and with the citric acid solution of 0.1 mol/L pH values to 2.0 are adjusted, at room temperature, 5000 revs/min of pretreatment 20 minutes at a high speed, then filter after being extracted 60 minutes with 1000 revs/min of homogeneous.
3) collect filtrate, added in filter residue 95wt% ethanol (filter residue: 95wt% ethanol=1g:
10mL), and with the citric acid solution of 0.1 mol/L pH values to 2.0 are adjusted, at room temperature, is filtered after being extracted 60 minutes with 1000 revs/min of homogeneous.
4) merge filtrate twice, at room temperature, be centrifuged 30 minutes with 200 revs/min, go precipitation, it is 30% to be concentrated into solid content after collection supernatant, and freeze-drying is powdered, that is, obtain red rose haematochrome 14.7
Gram, color：Aubergine, colour value 24.1.
Claims (1)
1. a kind of extraction process of red rose haematochrome, comprises the following steps：
(1) dry red rose powder is mixed with 95wt% ethanol, pH is adjusted with aqueous citric acid solution
Value at room temperature, is pre-processed at a high speed to 2-4, and homogeneous is extracted, filtering；
(2) filter residue after filtering is mixed with 95wt% ethanol, pH values to 2-4 is adjusted with aqueous citric acid solution, at room temperature, homogeneous is extracted, filtering；
(3) filtrate of step (1) and (2) is centrifuged, collects supernatant, freeze-drying is powdered, that is, obtain red rose haematochrome；Wherein, the high speed pretreatment is to be processed more than 5 minutes with 5000-10000 revs/min；Homogeneous in step (1) or (2) is extracted as being processed more than 10 minutes with 1000-4000 revs/min.
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| CN201510952867.1A CN106893349A (en) | 2015-12-20 | 2015-12-20 | A kind of extraction process of red rose haematochrome |
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| CN201510952867.1A CN106893349A (en) | 2015-12-20 | 2015-12-20 | A kind of extraction process of red rose haematochrome |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109620780A (en) * | 2019-02-22 | 2019-04-16 | 北京爸爸的选择科技有限公司 | A kind of rose fragrant moisture retention hand cleanser and preparation method thereof |
-
2015
- 2015-12-20 CN CN201510952867.1A patent/CN106893349A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109620780A (en) * | 2019-02-22 | 2019-04-16 | 北京爸爸的选择科技有限公司 | A kind of rose fragrant moisture retention hand cleanser and preparation method thereof |
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