CN101239101A - Method for extracting low methoxyl pectin from ficus pumila perianth - Google Patents
Method for extracting low methoxyl pectin from ficus pumila perianth Download PDFInfo
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- CN101239101A CN101239101A CNA2008100467460A CN200810046746A CN101239101A CN 101239101 A CN101239101 A CN 101239101A CN A2008100467460 A CNA2008100467460 A CN A2008100467460A CN 200810046746 A CN200810046746 A CN 200810046746A CN 101239101 A CN101239101 A CN 101239101A
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- fici pumilae
- perianth
- pectin
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- caulis
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Abstract
he invention relates a method to extract a low ester pectin from a ficus pumila perianth, which uses the ficus pumila perianth as the raw material, which is rinsed by hot water and dried, then is carried on leaching by acids, filtration, discoloration, alcohol precipitation, centrifugalization, vacuum drying and grinding, so that a pectin is obtained, wherein, the ficus pumila perianth is crushed, then rinsed by hot water to be discolored; the extracting solution is filtered and processed by active carbon and alcohol precipitation. The invention has the advantages of less process, simple equipment, etc., is characterized in that the production rate of the low ester pectin prepared is high, and has a shallow color, and the indictors of the low ester pectin are met or exceeded national newest industry procession standard (QB2482-2000).
Description
Technical field
The present invention relates to a kind of method of from the Caulis fici pumilae (Fructus Fici Pumilae) perianth, extracting low methoxyl pectin.
Background technology
Xue Li belongs to the Moraceae Ficus, also claims bean jelly tree, Fructus Fici Pumilae etc., is distributed widely in China the Changjiang river to reach provinces and regions such as Guangdong, Jiangxi in the south.From the book on Chinese herbal medicine record, the medicinal history of Caulis fici pumilae (Fructus Fici Pumilae) is remote, and its root, stem, rattan, leaf, fruit all can be used as medicine.In addition, it is relatively good to cooperate other medicines to be used to treat the certain cancers effect with the Receptaculum Fici Pumilae recently.Caulis fici pumilae (Fructus Fici Pumilae) not only has very high medical value, and has very comprehensive nutritive value, studies show that to contain protein 39.88%, total sugar 18.83%, reducing sugar 8.88%, fat 1.46% and total flavones 1.46% in the Caulis fici pumilae (Fructus Fici Pumilae) pollen.The perianth pectin content reaches 20～32.70% in the Caulis fici pumilae (Fructus Fici Pumilae) achene, protein content is 3.80%, general flavone content is 15.14%; Pectin content is 5.73～10.82% (place of production differences, slightly variant), protein 15.70%, crude fibre 26.20% and total flavones 2.08% in the seed.As seen all containing the pectin of higher amount in Caulis fici pumilae (Fructus Fici Pumilae) seed and the Caulis fici pumilae (Fructus Fici Pumilae) perianth, is good pectin resource.
In China south, folk tradition adds water with the Caulis fici pumilae (Fructus Fici Pumilae) seed to be washed by rubbing with the hands and makes bean jelly, as the beverage of cooling and heatstroke-eliminating in season in midsummer.In Taiwan, people make Vegetarian gelatin (mutation of Caulis fici pumilae (Fructus Fici Pumilae)) seed Vegetarian gelatin and freeze, and have formed industrialization production at present.Prior art also has the research of extracting pectin from the Caulis fici pumilae (Fructus Fici Pumilae) seed, yet in the application and research of Caulis fici pumilae (Fructus Fici Pumilae), mainly is to concentrate on the Caulis fici pumilae (Fructus Fici Pumilae) seed, and the perianth that is rich in pectin is dropped, and has caused the very big wasting of resources.As seen, research is extracted pectin and is significant from the Caulis fici pumilae (Fructus Fici Pumilae) perianth, and does not still have patent report associated extraction method both at home and abroad.
Summary of the invention
The purpose of this invention is to provide a kind of method of from the Caulis fici pumilae (Fructus Fici Pumilae) perianth, extracting low methoxyl pectin, utilize the Caulis fici pumilae (Fructus Fici Pumilae) perianth to extract low methoxyl pectin and reduce the wasting of resources.
Above-mentioned purpose implementation method step of the present invention:
1, the Caulis fici pumilae (Fructus Fici Pumilae) perianth is blended to 0.5～1cm peel grain, place 70～80 ℃ of water rinsing 15～20min,, filter dried being placed in 70～80 ℃ of baking ovens and dry to remove solable matters such as desaccharide, pigment.
2, gained Caulis fici pumilae (Fructus Fici Pumilae) perianth in 1 is mixed with the water of 10～25 times of weight, with acid for adjusting pH value to 1.0～1.5,60～120min is fully stirred in heat temperature raising to 80～95 ℃, get filtrate after filter press filters, the acid of used adjust pH is phosphoric acid, sulphuric acid, nitric acid, hydrochloric acid or acetic acid.
3, in the filtrate that obtains, add the processing of decolouring of 0.3～0.4% (w/v) active carbon, handle 20～30min, remove by filter active carbon in 60～70 ℃ of stirred in water bath.
4,95% edible ethanol that adds 1.5～2.0 times of volumes in the pectin extracting soln after decolouring precipitates, it is centrifugal that the range of speeds of selecting centrifugalize is that 4800～6000r/min carries out, washing back gained filtering residue is under 48～55 ℃, vacuum drying 4～6h takes out crushing screening then and makes pectin product.
In this process, be higher than technological parameters such as pH value in the implementation method of the present invention or reaction temperature as employing, the extraction ratio of gained pectin reduces or product quality descends.The pectin output height that from the Caulis fici pumilae (Fructus Fici Pumilae) perianth, extracts that the present invention sets forth, yield can reach 20.41～30.43%, prepared product be ecru to pale yellow powder, do not have bad abnormal smells from the patient, total galacturonic acid content is 66～78%; Esterification degree 42～48%; Loss on drying 5.2～8.0%; Ash 4.3～4.9%; Hydrochloric acid insoluble substance 0.60～0.85%; PH value is 4.4～4.8; Heavy metal (in Pb) 6～9mg/kg; Arsenic (in As)-do not detect; Plumbous 2.0～3.5mg/kg.
Advantage of the present invention is: production process is few, and equipment is simple, the low methoxyl pectin yield height that makes, and color is shallow, and every index all meets or exceeds national up-to-date light industry standard (QB2484-2000).
The specific embodiment
Embodiment one
The Caulis fici pumilae (Fructus Fici Pumilae) perianth is blended to 0.5cm peel grain, place 70 ℃ of water rinsing 20min, the back is done in filter dries in 70 ℃ of baking ovens.Take by weighing the Caulis fici pumilae (Fructus Fici Pumilae) perianth of 150g oven dry, the water that adds 20 times of weight mixes, and with acid for adjusting pH value to 1.0, heat temperature raising to 85 ℃ fully stirs 80min, after filter press filters filtrate.In filtrate, add 0.3% (w/v) active carbon, 65 ℃ of following stir process 20min, the decolouring after-filtration is removed active carbon.95% edible ethanol that adds 1.5～2.0 times of volumes in the pectin extracting soln after decolouring precipitates, centrifugalize (rotating speed is 4800r/min), centrifugal back gained filtering residue is after rare alcohol washing, at 48 ℃ of following vacuum drying 4h, take out crushing screening then and make pectin product, filtrate is carried out the ethanol recycling.
Embodiment two
The Caulis fici pumilae (Fructus Fici Pumilae) perianth is blended to 0.5cm peel grain, place 70 ℃ of water rinsing 20min, the back is done in filter dries in 70 ℃ of baking ovens.Take by weighing the Caulis fici pumilae (Fructus Fici Pumilae) perianth of 200g oven dry, the water that adds 25 times of weight mixes, and with acid for adjusting pH value to 1.0, heat temperature raising to 85 ℃ fully stirs 80min, after filter press filters filtrate.In filtrate, add 0.3% (w/v) active carbon, 65 ℃ of following stir process 20min, the decolouring after-filtration is removed active carbon.95% edible ethanol that pectin extracting soln after decolouring adds 1.5～2.0 times of volumes precipitates, centrifugalize (rotating speed is 5000r/min), centrifugal back gained filtering residue is after rare alcohol washing, at 50 ℃ of following vacuum drying 4.5h, take out crushing screening then and make pectin product, filtrate is carried out the ethanol recycling.
Embodiment three
The Caulis fici pumilae (Fructus Fici Pumilae) perianth is blended to 0.35cm peel grain, place 70 ℃ of water rinsing 20min, the back is done in filter dries in 70 ℃ of baking ovens.Take by weighing the Caulis fici pumilae (Fructus Fici Pumilae) perianth of 300g oven dry, the water that adds 15 times of weight mixes, and with acid for adjusting pH value to 1.0, heat temperature raising to 90 ℃ fully stirs 100min, after filter press filters filtrate.In filtrate, add 0.35% (w/v) active carbon, 60 ℃ of following stir process 25min, the decolouring after-filtration is removed active carbon.95% edible ethanol that pectin extracting soln after decolouring adds 1.5～2.0 times of volumes precipitates, centrifugalize (rotating speed is 5500r/min), centrifugal back gained filtering residue is after rare alcohol washing, at 55 ℃ of following vacuum drying 5h, take out crushing screening then and make pectin product, filtrate is carried out the ethanol recycling.
Embodiment four
The Caulis fici pumilae (Fructus Fici Pumilae) perianth is blended to 0.35cm peel grain, place 70 ℃ of water rinsing 20min, the back is done in filter dries in 70 ℃ of baking ovens.Take by weighing the Caulis fici pumilae (Fructus Fici Pumilae) perianth of 400g oven dry, the water that adds 25 times of weight mixes, and with acid for adjusting pH value to 1.3, heat temperature raising to 95 ℃ fully stirs 100min, after filter press filters filtrate.In filtrate, add 0.3% (w/v) active carbon, 65 ℃ of following stir process 20min, the decolouring after-filtration is removed active carbon.95% edible ethanol that pectin extracting soln after decolouring adds 1.5～2.0 times of volumes precipitates, centrifugalize (rotating speed is 6000r/min), centrifugal back gained filtering residue is after rare alcohol washing, at 55 ℃ of following vacuum drying 6h, take out crushing screening then and make pectin product, filtrate is carried out the ethanol recycling.
Continuous four batches of Caulis fici pumilae (Fructus Fici Pumilae) perianth pectin extraction setting-out result of the test of the present invention and gained pectin quality are as shown in the table:
Claims (4)
1, a kind of method of extracting low methoxyl pectin from the Caulis fici pumilae (Fructus Fici Pumilae) perianth is characterized in that comprising the following steps:
1. the Caulis fici pumilae (Fructus Fici Pumilae) perianth is blended to 0.5～1cm peel grain, place 70～80 ℃ of water rinsing 15～20min,, filter dried being placed on to dry in 70～80 ℃ of baking ovens to remove solable matters such as desaccharide, pigment;
2. will be 1. gained Caulis fici pumilae (Fructus Fici Pumilae) perianth mixes with the water of 10～25 times of weight, with acid for adjusting pH value to 1.0～1.5,60～120min is fully stirred in heat temperature raising to 80～95 ℃, must filtrate after the filter press filtration;
3. add active carbon processings of decolouring in the filtrate that obtains, the after-filtration that decolours is removed active carbon;
4. 95% edible ethanol that adds 1.5～2.0 times of volumes in the pectin extracting soln after decolouring precipitates, and makes pectin product after centrifugalize, washing, vacuum drying and pulverizing, and filtrate is carried out ethanol and reclaimed.
2, according to right 1 described a kind of method of extracting low methoxyl pectin from the Caulis fici pumilae (Fructus Fici Pumilae) perianth, it is characterized in that: the acid of adjust pH is phosphoric acid, sulphuric acid, nitric acid, hydrochloric acid or acetic acid.
3, according to right 1 described a kind of method of extracting low methoxyl pectin from the Caulis fici pumilae (Fructus Fici Pumilae) perianth, it is characterized in that: the activated carbon decolorizing condition is: add the active carbon of 0.3～0.4% (w/v), handle 20～30min in 60～70 ℃ of stirred in water bath.
4, according to right 1 described a kind of method of extracting low methoxyl pectin from the Caulis fici pumilae (Fructus Fici Pumilae) perianth, it is characterized in that: the range of speeds of centrifugalize is 4800～6000r/min behind the precipitate with ethanol.
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| Application Number | Priority Date | Filing Date | Title |
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| CNA2008100467460A CN101239101A (en) | 2008-01-21 | 2008-01-21 | Method for extracting low methoxyl pectin from ficus pumila perianth |
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| CNA2008100467460A CN101239101A (en) | 2008-01-21 | 2008-01-21 | Method for extracting low methoxyl pectin from ficus pumila perianth |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105924543A (en) * | 2016-07-05 | 2016-09-07 | 南京林业大学 | Environment-friendly plant pectin preparation method |
| CN106580831A (en) * | 2016-12-24 | 2017-04-26 | 南陵县皖南野生葛研究所 | Ficus pumila sunblock |
| CN106690294A (en) * | 2016-12-24 | 2017-05-24 | 南陵县皖南野生葛研究所 | Ficus pumila alcohol effect dispelling chewable tablet |
| CN106804753A (en) * | 2015-11-30 | 2017-06-09 | 吴青平 | A kind of vegetarian cake mousse |
-
2008
- 2008-01-21 CN CNA2008100467460A patent/CN101239101A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106804753A (en) * | 2015-11-30 | 2017-06-09 | 吴青平 | A kind of vegetarian cake mousse |
| CN105924543A (en) * | 2016-07-05 | 2016-09-07 | 南京林业大学 | Environment-friendly plant pectin preparation method |
| CN106580831A (en) * | 2016-12-24 | 2017-04-26 | 南陵县皖南野生葛研究所 | Ficus pumila sunblock |
| CN106690294A (en) * | 2016-12-24 | 2017-05-24 | 南陵县皖南野生葛研究所 | Ficus pumila alcohol effect dispelling chewable tablet |
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Open date: 20080813 |