CN101050230A - Extraction and preparation process of momordica grosvenori extract - Google Patents
Extraction and preparation process of momordica grosvenori extract Download PDFInfo
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Abstract
The invention relates to a low-temperature extraction preparation process of a momordica grosvenori extract, in particular to a preparation process for simultaneously preparing a food raw and auxiliary material extract rich in vitamin C and other nutritional ingredients and a sweetener extract mainly containing mogroside by using a method of combining multistage precise filtration and polyol extraction under the condition of 40 ℃ and below, wherein the combination of low-temperature extraction, multistage precise filtration and polyol extraction relates to a key technology of the invention. The implementation of the invention has the advantages of high resource utilization rate, short production period and maintenance of the flavor of the momordica grosvenori of the extract.
Description
Technical field
The present invention relates to a kind of extracting and preparing technique of Fructus Monordicae extract, especially a kind of combination of extracting and utilize multistage secondary filter and polyvalent alcohol abstraction technique under 40 ℃ and following temperature condition prepares nutritive ingredient such as rich vitamin C and is main food and with supplementary material extract and mogroside be the preparation technology of the sweeting agent extract of leading simultaneously.
Background technology
Lo Han Guo fruit contains multiple cucurbitane triterpene glycosides compound, is referred to as mogroside; This compounds is the main active substances in the Lo Han Guo fruit, account for dry fruit heavy 4%.This compounds mostly is sweet ingredient or little sweet substance greatly, can be used as the sweeting agent of food, dish, is diabetics's ideal sugar surrogate.Except that the strong sweet composition of cucurbitane triterpene glycoside, also contain low sweet composition such as D-N.F,USP MANNITOL, flavonoid glycoside.
Except that sweet ingredient, Grosvenor Momordica also contains the acid of helium base and various trace elements, reducing sugar and the abundant vitamins C and the E of protein, multiple needed by human, plants the plant unsaturated fatty acids such as oleic acid, linolic acid and the palmitinic acid that also contain a large amount of needed by human in the benevolence.As seen, Grosvenor Momordica not only can provide triterpene glycoside sweet ingredient low in calories, has very high nutritive value simultaneously.
The extraction of traditional Grosvenor Momordica saponin(e, process for refining mainly adopt inorganic adsorbent and inorganic discoloring agent, and as gac, magnesium oxide system, Magnesium Silicate q-agent system etc., the operating procedure complexity can't suitability for industrialized production.Because extremely giving birth to of saponin(e is big, and it is not easily separated with pigment, therefore, present most technology generally adopts water or a certain amount of aqueous ethanol to heat and extracts, the technology of resin absorption separation and purification, but the combination of this technology, be primarily aimed at Grosvenor Momordica cucurbitane triterpene glycosides compound and extract refiningly, composition and flavour substances that other are useful run off substantially, and resource utilization is lower.
Summary of the invention
The object of the present invention is to provide a kind of extracting and preparing technique of Fructus Monordicae extract, is useful chemical ingredients and to prepare nutritive ingredient product such as rich vitamin C simultaneously be that main food is the sweeting agent extract preparation technology who leads with supplementary material extract and mogroside during the extraction Grosvenor Momordica tried one's best complete by solvent with water at 40 ℃ and following temperature condition especially.
The technical solution used in the present invention:
The present invention implements by following steps: raw materials pretreatment, extract at low temperature, solid-liquid separation, micro-filtration, ultrafiltration, concentrate, phase-splitting extraction, reextraction, solvent recuperation, concentrate and dry.
A kind of extracting and preparing technique of Fructus Monordicae extract, it adopts following concrete steps:
1. raw materials pretreatment: Grosvenor Momordica raw material fresh fruit or dry fruit, fruits such as choosing and remove prematurity, go mouldy, be burned, oven dry, pulverizing.
2. extract at low temperature: under situation about mixing with solvent, is that solvent carries out extract at low temperature 2 ~ 3 times with high speed agitator with water at 40 ℃ and following temperature condition with raw material powder, does not have sweet taste to slag.
3. solid-liquid separation: centrifugal or squeezing separation and Extraction liquid and arhat pomace.
4. micro-filtration: adopt 0.8 μ m and following micro-strainer with extracting liquid filtering to clarification.
5. ultrafiltration: under temperature condition below 35 ℃, adopt dam molecular weight 10000 dalton and following ultra-fine filter to filter, filtered solution 1. with concentrated solution 2..
6. concentrate: adopt nanofiltration or reverse osmosis with the filtered solution of ultrafiltration 1. with thickener be concentrated into raw material fresh fruit ratio be 1: 5 ~ 1: 20, nutritive ingredients such as rich vitamin C and flavones, amino acid, reducing sugar be main little sweet clarification concentrated type extract-product I with tart flavour; Become the solid extract-product I I of cold water instant dissolving after the product I drying.
7. phase-splitting extraction: adopts concentrated solution that an amount of polyvalent alcohol extracts ultrafiltration 2. not have sweet taste substantially to water 3 ~ 5 times.
8. strip:, make the interior mutually sweet glycoside substance transfer of polyvalent alcohol to aqueous phase with the water reextraction polyvalent alcohol phase of 1: 1 ~ 200: 1 weight or meausurement ratios; Or with the organic solvent extraction polyvalent alcohol phase of 0.1: 1 ~ 50: 1 weight or meausurement ratio, make polyvalent alcohol transfer to organic solvent mutually in.
9. solvent recuperation: the water after stripping reclaims residual polyvalent alcohol or organic solvent through distillation.
10. concentrate: the water after the solvent recuperation is concentrated into solid content more than 5.0%.
11. it is dry: that vacuum concentration liquid is dried to moisture below 5.0%.Obtain sweeting agent extract-product I II based on mogroside class material.
The present invention has the following advantages:
1. resource utilization height: in once producing, utilize with batch raw material and produce tart flavour little sweet health extract and sweeting agent simultaneously.
Cold operation, keep local flavor: except that drying process and sweeting agent extract solvent recuperation, all the other operations are all carried out under normal temperature even low temperature, the food of preparation has kept the peculiar taste of Grosvenor Momordica with the supplementary material extract, and the sweet taste of sweeting agent extract is pure and color is pale yellow.
3. with short production cycle: extraction and the phase-splitting time of stripping are short, and under the condition of rationally selecting extraction equipment for use, the processing capacity is big, have avoided long drawback of post separation of produced cycle.
Description of drawings
Fig. 1 is a process flow sheet of the present invention.
Process flow sheet has been explained major technique process of the present invention, and wherein extract at low temperature and multistage secondary filter and polyvalent alcohol extraction phase are in conjunction with relating to gordian technique of the present invention.
Embodiment
Ultimate principle for a better understanding of the present invention, we will be specifically addressed principle of the present invention by following examples.Following description, can make the present technique field other people under various situation, use the present invention, deacclimatize the different application of expection with various correction.
During implementation step 1, the raw material of selecting for use can be fresh fruit, also can be dry fruit; The purpose of selection is the raw materials quality that guarantees the process that puts into production; Pulverizing is in order to improve the extraction efficiency under the cold condition.
During implementation step 2, mechanical means can be 100 rev/mins to 5000 rev/mins high-speed stirring or other suitable non-heating extracting mode, and temperature controlling can be undertaken by the interlayer of stirred vessel; Extraction can be various process waters or contain water-polyol with solvent, generally selects purified water for use.
During implementation step 3, generally be that centrifugation and squeezing separation and combination are used.
During implementation step 4, micro-strainer can adopt Stainless Steel Filter, millipore filtration, hollow fiber filter, incipient fusion formula strainer, Bu Shi strainer, rolled film strainer, inorganic membrane filtration device, tympanum strainer.
During implementation step 5, ultra-fine filter can be rolled film strainer, inorganic membrane filtration device, tympanum strainer; Temperature controlling can realize by the heat exchanger of filter deployment, generally is controlled at below 35 ℃, and is best below 20 ℃.
During implementation step 6, nanofiltration refers to that molecular weight is below 300.Thickener can be rolled film thickener, tympanum strainer.
During implementation step 7, polyvalent alcohol is meant tetravalent alcohol or above organic alcohol, as the polyoxyethylene glycol of all size, butanols, amylalcohol etc.; Method of extraction can be stirring-type, centrifugal, adverse current continous way, adverse current distribute type and drop adverse current distribute type.
During implementation step 8, organic solvent is meant organic compound water insoluble and that can dissolve each other with polyvalent alcohol, as vinyl acetic monomer, ether etc.
During implementation step 9, distillation is meant that heating is reclaimed polyvalent alcohol or organic solvent evaporation and condensation under normal pressure or the vacuum state.
During implementation step 10, concentrated mode can be vacuum concentration or nanofiltration, reverse osmosis concentration.
During implementation step 11, drying mode can be spraying drying, lyophilize or vacuum-drying.
The invention will be further described below in conjunction with embodiment, and the equipment of selecting for use among the embodiment, processing condition only are representational, but not limitation of the present invention.
Embodiment one:
Raw material: Grosvenor Momordica dry fruit 2kg.Major equipment: high speed agitator, pneumatic type squeezing machine, inorganic membrane filtration device, ultra-fine filter, reverse osmosis concentration device, stirring-type extractor, thin film evaporation thickener, spray-dryer.
Preparation process:
1. mangosteen powder is broken into 100 order fine powders;
2. get 6 kilograms of room temperature purified water and mangosteen powder and mix, high-speed stirring 30 minutes;
3. emit extracting solution and squeeze, collect pressed liquor through squeezing machine;
4. Ya Zha slag is set by step 2, step 3 continues to extract 3 times, the about 24kg of extracting solution;
5. united extraction liquid filters through 0.8 μ m inorganic membrane filtration device, 10000 dalton's ultra-fine filters successively, collects the about 20kg of filtered solution, is concentrated into relative density 1.15 with the reverse osmosis concentration device, and quantitatively encapsulation gets product I.
6. ultra-fine filter filtration fraction 4kg not, through 2000ml isoamyl glycol extraction 3 times, water discards after with thin film evaporation thickener recovery isoamyl glycol with the stirring-type extractor; Merge isoamyl glycol phase, with purified water 4000ml extraction 3 times, collect water, reclaim the isoamyl glycol and be concentrated into relative density 1.20 with the thin film evaporation thickener, spraying drying is to moisture below 5.0%, and quantitatively encapsulation gets product I I.
Claims (6)
1, a kind of extracting and preparing technique of Fructus Monordicae extract is characterized in that comprising being prepared as follows step:
1), raw materials pretreatment
With Grosvenor Momordica raw material fresh fruit or dry fruit, fruits such as choosing and remove prematurity, go mouldy, be burned, oven dry, pulverizing;
2), extract at low temperature
Grosvenor Momordica raw material powder and solvent are mixed, under 40 ℃ and following temperature condition, extract 2-3 time, do not have sweet taste to slag with high speed agitator;
3), separate
With centrifugal or squeezing mode separation and Extraction liquid and arhat pomace;
4), micro-filtration
Adopt 0.8 μ m and following micro-strainer that extracting liquid filtering is extremely clarified;
5), ultrafiltration
Filter with dam molecular weight 10000 dalton and following ultra-fine filter, filtered solution 1. with concentrated solution 2.;
6), concentrate
Adopt nanofiltration or reverse osmosis with the filtered solution of ultrafiltration 1. with thickener be concentrated into raw material fresh fruit weight ratio be 1: 5-20, nutritive ingredients such as rich vitamin C and flavones, amino acid, reducing sugar be that main little sweet clarification concentrated type extract is a product I with tart flavour; Becoming the solid extract of cold water instant dissolving after the product I drying is product I I;
7), phase-splitting extraction
2. the concentrated solution that adopts compound alcohol extraction ultrafiltration does not have sweet taste to water 3-5 time substantially;
8), strip
Use 1-200: the water reextraction polyvalent alcohol phase of 1 weight or meausurement ratio makes the sweet glycoside substance transfer of polyvalent alcohol in mutually to aqueous phase, or uses 0.1-50: the organic solvent extraction polyvalent alcohol phase of 1 weight or meausurement ratio, make polyvalent alcohol transfer to organic solvent mutually in;
9), solvent recuperation
Water after stripping reclaims residual polyvalent alcohol or organic solvent through distillation;
10), reconcentration
Water after the solvent recuperation is concentrated into solid content to be reached more than 5.0%;
11), drying
Vacuum concentration liquid is dried to moisture below 5.0%, and the sweeting agent extract that obtains based on mogroside class material is product I II.
2, the extracting and preparing technique of Fructus Monordicae extract according to claim 1 is characterized in that described polyvalent alcohol is meant tetravalent alcohol or above organic alcohol, as polyoxyethylene glycol, butanols, amylalcohol.
3, the extracting and preparing technique of Fructus Monordicae extract according to claim 1 is characterized in that extraction is purified water or contains water-polyol with solvent.
4, the extracting and preparing technique of Fructus Monordicae extract according to claim 1 is characterized in that described micro-strainer is Stainless Steel Filter, millipore filtration, hollow fiber filter, incipient fusion formula strainer, Bu Shi strainer, rolled film strainer, inorganic membrane filtration device, tympanum strainer; Ultra-fine filter is rolled film strainer, inorganic membrane filtration device, tympanum strainer; Thickener is rolled film thickener, tympanum thickener.
5, the extracting and preparing technique of Fructus Monordicae extract according to claim 1 is characterized in that described ultrafiltration is to carry out at the normal temperature below 35 ℃ Celsius, preferably carries out at low temperature below 20 ℃.
6, the extracting and preparing technique of Fructus Monordicae extract according to claim 1 is characterized in that described organic solvent is meant organic compound water insoluble and that can dissolve each other with polyvalent alcohol, as vinyl acetic monomer, ether.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102258543A (en) * | 2011-08-25 | 2011-11-30 | 黔西南吉仁堂中药饮片厂 | Method for processing lucid ganoderma |
| EP2425721A1 (en) * | 2010-09-03 | 2012-03-07 | Purecircle SDN BHD | High-purity mogrosides and process for their purification |
| CN101214040B (en) * | 2008-01-04 | 2012-07-25 | 纽威公司 | Momordica grosvenori sweetening agent and preparation thereof |
| CN102669337A (en) * | 2012-05-31 | 2012-09-19 | 广东正源华茶生物工程有限公司 | Integrated system and method for effectively separating and purifying active ingredients of tea leaves |
| CN102754784A (en) * | 2012-08-08 | 2012-10-31 | 天宁香料（江苏）有限公司 | Method for preparing tamarind fruit extract and application of same in edible essence |
| CN103570789A (en) * | 2013-11-14 | 2014-02-12 | 南宁麦斯威生物科技有限公司 | Preparation method of high-purity momordica glycosides |
| CN105273033A (en) * | 2015-10-23 | 2016-01-27 | 同福碗粥股份有限公司 | Method for extracting mogrosides from Siraitia grosvenorii fruits |
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