CN105061618B - A kind of ultrasonic extraction process of sugarcane polysaccharide - Google Patents
A kind of ultrasonic extraction process of sugarcane polysaccharide Download PDFInfo
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- CN105061618B CN105061618B CN201510477890.XA CN201510477890A CN105061618B CN 105061618 B CN105061618 B CN 105061618B CN 201510477890 A CN201510477890 A CN 201510477890A CN 105061618 B CN105061618 B CN 105061618B
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- polysaccharide
- sugarcane
- bagasse
- aqueous extracts
- temperature
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- 150000004676 glycans Chemical class 0.000 title claims abstract description 55
- 229920001282 polysaccharide Polymers 0.000 title claims abstract description 55
- 239000005017 polysaccharide Substances 0.000 title claims abstract description 55
- 240000000111 Saccharum officinarum Species 0.000 title claims abstract description 43
- 235000007201 Saccharum officinarum Nutrition 0.000 title claims abstract description 43
- 238000000034 method Methods 0.000 title claims abstract description 32
- 238000002137 ultrasound extraction Methods 0.000 title claims abstract description 12
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 26
- 239000000843 powder Substances 0.000 claims abstract description 26
- 239000006286 aqueous extract Substances 0.000 claims abstract description 22
- 241000609240 Ambelania acida Species 0.000 claims abstract description 21
- 239000010905 bagasse Substances 0.000 claims abstract description 21
- 235000019441 ethanol Nutrition 0.000 claims abstract description 19
- 239000007788 liquid Substances 0.000 claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000012141 concentrate Substances 0.000 claims abstract description 11
- 239000012530 fluid Substances 0.000 claims abstract description 11
- 238000000108 ultra-filtration Methods 0.000 claims abstract description 6
- 239000012535 impurity Substances 0.000 claims description 10
- 238000001556 precipitation Methods 0.000 claims description 9
- 239000007787 solid Substances 0.000 claims description 6
- 238000002156 mixing Methods 0.000 claims description 5
- 238000001035 drying Methods 0.000 claims description 3
- 238000009210 therapy by ultrasound Methods 0.000 claims description 3
- 238000007781 pre-processing Methods 0.000 claims description 2
- 238000003756 stirring Methods 0.000 claims description 2
- 238000011084 recovery Methods 0.000 abstract description 6
- 230000003078 antioxidant effect Effects 0.000 abstract description 4
- 239000002253 acid Substances 0.000 abstract description 2
- 230000002195 synergetic effect Effects 0.000 abstract description 2
- 238000001291 vacuum drying Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 6
- 239000000706 filtrate Substances 0.000 description 4
- 230000003647 oxidation Effects 0.000 description 4
- 238000007254 oxidation reaction Methods 0.000 description 4
- 230000002255 enzymatic effect Effects 0.000 description 3
- 238000000605 extraction Methods 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 238000002386 leaching Methods 0.000 description 3
- 239000003513 alkali Substances 0.000 description 2
- 235000009508 confectionery Nutrition 0.000 description 2
- 238000002604 ultrasonography Methods 0.000 description 2
- 238000003809 water extraction Methods 0.000 description 2
- 206010028980 Neoplasm Diseases 0.000 description 1
- 230000000840 anti-viral effect Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 210000002421 cell wall Anatomy 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000002218 hypoglycaemic effect Effects 0.000 description 1
- 230000003834 intracellular effect Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 229920005610 lignin Polymers 0.000 description 1
- 150000002632 lipids Chemical class 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 230000001603 reducing effect Effects 0.000 description 1
Landscapes
- Polysaccharides And Polysaccharide Derivatives (AREA)
Abstract
The invention discloses a kind of ultrasonic extraction process of sugarcane polysaccharide, first bagasse is dried with microwave vacuum dryer, then bagasse is crushed, after cane powder is added water and stirred uniformly, again plus acid for adjusting pH value, then it is ultrasonically treated, sonification fluid is decocted, Aqueous extracts are filtered to obtain, Aqueous extracts are sent into ultrafiltration apparatus and carry out hyperfiltration treatment, then squeeze into centrifugal treating in centrifuge, concentrated liquor will be centrifuged, ethyl alcohol standing is added into concentrate to be then centrifugated, sugarcane polysaccharide liquid is dried, sugarcane polysaccharide is obtained.The present invention is by using microwave low-temperature vacuum drying and ultrasonic synergistic treatment process, it is ensured that effective broken wall significantly improves the yield and antioxidant activity of polysaccharide, greatly improves the recovery rate of sugarcane polysaccharide.
Description
Technical field
The present invention relates to sugared technology fields, it particularly relates to a kind of ultrasonic extraction process of sugarcane polysaccharide.
Background technique
Bagasse is the principal by product of sugar industry, is major part remaining after sugarcane mechanical compaction receipts are sugared, belongs to
One of agricultural solid residue.China has multiple provinces that can grow cane, and each sugar refinery generates a large amount of bagasse,
Suitable approach comprehensive utilization bagasse is found to be of great significance.Research shows that the polysaccharide extracted from bagasse has anti-swell
The effects of tumor, antiviral, hypoglycemic, reducing blood lipid, immune enhancing, extracting polysaccharide from bagasse and develop and utilize is that one kind has
Effect approach.The extracting method of existing polysaccharide has water extraction and alcohol precipitation method, microwave method, acid-base method, enzymatic treatment method etc., the extractions side such as microwave method
Method has certain effect, but the high requirements on the equipment to the recovery rate for improving polysaccharide, implements to acquire a certain degree of difficulty；Acid or alkali method
Though recovery rate can be improved, sour or alkali can destroy the structure of polysaccharide.The extraction of bagasse polysaccharide at present is mostly used water extraction and alcohol precipitation method, but
Obtained polyoses content is lower, needs to be further purified.Enzymatic treatment method has that reaction is mild, yield is high and easy to operate etc. excellent
Point, but bagasse is mainly made of holocellulos, lignin and pentosan etc., has high-tenacity hard wall tissue, it is traditional
The polysaccharide yield of enzymatic isolation method is relatively low, and the polysaccharide anti-oxidative ability prepared is low.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of ultrasonic extraction process of sugarcane polysaccharide, to solve the prior art
The low and existing deficiency of polysaccharide anti-oxidative ability for preparing that polysaccharide yield is relatively low, and preparing.
The present invention solves above-mentioned technical problem by the following technical programs:
A kind of ultrasonic extraction process of sugarcane polysaccharide, comprising the following steps:
(1) it pre-processes: being first dried bagasse with microwave vacuum dryer, bagasse powder, which is then broken to fineness, is
60~200 targeted fine powders obtain cane powder；
(2) be ultrasonically treated: by cane powder add water and stir uniformly after, then plus acid-conditioning solution pH value be 6~6.5, then
It is sent into ultrasonic device, 8~20min is handled under conditions of ultrasonic power is 40~80KHz, temperature is 60~80 DEG C, obtain
Sonification fluid；
(3) decoct: sonification fluid being decocted into 100~120min, filters to obtain Aqueous extracts, filter residue add 6 times of water decoct 50~
70min filters to obtain Aqueous extracts, merges Aqueous extracts twice；
(4) it cleans: Aqueous extracts being sent into ultrafiltration apparatus and carry out hyperfiltration treatment, obtain ultrafiltrate after removing impurity, will surpass
Filtrate is squeezed into centrifuge, and 8~16min is centrifugated under 1600~2000 revs/min of revolving speed, impurity is further removed, obtains
Obtain centrifugate；
(5) it is concentrated: centrifugate is concentrated into solubility under conditions of vacuum degree is -0.08MPa, temperature is 40~60 DEG C
Solid content >=15% obtains concentrate；
(6) alcohol precipitation: ethyl alcohol being added into concentrate, makes the concentration of alcohol 84~95% of solution, after standing 2~3h,
It is centrifugated 8~16min under 1600~2000 revs/min of revolving speed, obtains sugarcane polysaccharide liquid, sugarcane polysaccharide liquid is dried, obtain sweet
Sugarcane polysaccharide.
In the preprocessing process, bagasse be dried when control microwave vacuum dryer pressure be 12~24KPa,
Temperature is 40~60 DEG C.
In the ultrasound treatment step, after mixing evenly by cane powder plus 8 times of water, then plus the pH value of acid-conditioning solution be
6.2, it is then sent into microwave dryer, handles 16min under conditions of ultrasonic power is 60KHz, temperature is 70 DEG C.
During the alcohol precipitation, the drying temperature of sugarcane polysaccharide liquid is 40~80 DEG C.
The beneficial effects of the present invention are: the albumen and phosphatide that the present invention passes through microwave oscillation destruction polysaccharide outer layer covers
Film promotes the dissolution of polysaccharide, significantly improves the recovery rate of polysaccharide, and in lower vacuum state, drying temperature can be controlled
In relatively low temperature, the oxidation resistance decline of polysaccharide caused by high temperature and oxygen is reduced；By after cane powder is digested again
It is ultrasonically treated, is acted on using the cavitation effect of ultrasound, fuel factor and mechanical effect, when the ultrasonic wave of big energy acts on sugarcane
When powder, which is torn into many small holes, these small holes are instantaneously closed, and generates the moment for being up to thousands of a atmospheric pressure
Pressure ruptures cell wall and organism in cane powder in moment, substantially reduces the extraction time of sugarcane polysaccharide, ultrasound
The effect of vibration of wave strengthens the release of intracellular sugar, and sugar is extracted, to improve the recovery rate of sugarcane polysaccharide.
To sum up, the present invention is by using microwave low-temperature vacuum drying and ultrasonic synergistic treatment process, it is ensured that effective broken wall significantly mentions
The yield and antioxidant activity of high polysaccharide, greatly improve the recovery rate of sugarcane polysaccharide.
Specific embodiment
In order to facilitate the understanding of those skilled in the art, below in conjunction with embodiment, the present invention will be further described.
Embodiment is only to the invention for example, not being limitation of the invention, the step of not illustrating in embodiment
It is prior art, is not described in detail herein.
Embodiment one
A kind of ultrasonic extraction process of sugarcane polysaccharide, comprising the following steps:
(1) it pre-processes: first bagasse being sent into microwave vacuum dryer, in the item that pressure is 12KPa, temperature is 40 DEG C
Part is dried, and it is 60 targeted fine powders that bagasse powder, which is then broken to fineness, obtains cane powder；
(2) be ultrasonically treated: after mixing evenly by cane powder plus 8 times of water, then plus acid-conditioning solution pH value be 6, then send
Enter in ultrasonic device, 8min is handled under conditions of ultrasonic power is 40KHz, temperature is 60 DEG C, obtains sonification fluid；
(3) it decocts: sonification fluid is decocted into 100min, filter to obtain Aqueous extracts, filter residue adds 6 times of water to decoct 50min, filtering
Aqueous extracts are obtained, Aqueous extracts twice are merged；
(4) it cleans: Aqueous extracts being sent into ultrafiltration apparatus and carry out hyperfiltration treatment, obtain ultrafiltrate after removing impurity, will surpass
Filtrate is squeezed into centrifuge, and 8min is centrifugated under 1600 revs/min of revolving speed, further removes impurity, obtains centrifugate；
(5) it is concentrated: centrifugate is concentrated into soluble solid under conditions of vacuum degree is -0.08MPa, temperature is 40 DEG C
Object is 15%, obtains concentrate；
(6) alcohol precipitation: ethyl alcohol being added into concentrate, makes the concentration of alcohol 84% of solution, after standing 2h, 1600 turns/
Point revolving speed under be centrifugated 8min, obtain sugarcane polysaccharide liquid, by sugarcane polysaccharide liquid 40 DEG C at a temperature of dry, it is more to obtain sugarcane
Sugar.
Using above-mentioned processing, the leaching content of sugarcane polysaccharide is 87g/kg, and the oxidation resistance of sugarcane polysaccharide is 82.7%.
Embodiment two
A kind of ultrasonic extraction process of sugarcane polysaccharide, comprising the following steps:
(1) it pre-processes: first bagasse being sent into microwave vacuum dryer, in the item that pressure is 24KPa, temperature is 60 DEG C
Part is dried, and it is 200 targeted fine powders that bagasse powder, which is then broken to fineness, obtains cane powder；
(2) be ultrasonically treated: after mixing evenly by cane powder plus 8 times of water, then plus acid-conditioning solution pH value be 6.5, then
It is sent into ultrasonic device, 20min is handled under conditions of ultrasonic power is 80KHz, temperature is 80 DEG C, obtain sonification fluid；
(3) it decocts: sonification fluid is decocted into 120min, filter to obtain Aqueous extracts, filter residue adds 6 times of water to decoct 70min, filtering
Aqueous extracts are obtained, Aqueous extracts twice are merged；
(4) it cleans: Aqueous extracts being sent into ultrafiltration apparatus and carry out hyperfiltration treatment, obtain ultrafiltrate after removing impurity, will surpass
Filtrate is squeezed into centrifuge, and 16min is centrifugated under 2000 revs/min of revolving speed, further removes impurity, obtains centrifugate；
(5) it is concentrated: centrifugate is concentrated into soluble solid under conditions of vacuum degree is -0.08MPa, temperature is 60 DEG C
Object is 15%, obtains concentrate；
(6) alcohol precipitation: ethyl alcohol being added into concentrate, makes the concentration of alcohol 95% of solution, after standing 3h, 2000 turns/
Point revolving speed under be centrifugated 16min, obtain sugarcane polysaccharide liquid, by sugarcane polysaccharide liquid 80 DEG C at a temperature of dry, obtain sugarcane
Polysaccharide.
Using above-mentioned processing, the leaching content of sugarcane polysaccharide is 88g/kg, and the oxidation resistance of sugarcane polysaccharide is 82.1%.
Embodiment three
A kind of ultrasonic extraction process of sugarcane polysaccharide, comprising the following steps:
(1) it pre-processes: first bagasse being sent into microwave vacuum dryer, in the item that pressure is 16KPa, temperature is 50 DEG C
Part is dried, and it is 80 targeted fine powders that bagasse powder, which is then broken to fineness, obtains cane powder；
(2) be ultrasonically treated: after mixing evenly by cane powder plus 8 times of water, then plus acid-conditioning solution pH value be 6.2, then
It is sent into ultrasonic device, 16min is handled under conditions of ultrasonic power is 60KHz, temperature is 70 DEG C, obtain sonification fluid；
(3) it decocts: sonification fluid is decocted into 110min, filter to obtain Aqueous extracts, filter residue adds 6 times of water to decoct 60min, filtering
Aqueous extracts are obtained, Aqueous extracts twice are merged；
(4) it cleans: Aqueous extracts being sent into ultrafiltration apparatus and carry out hyperfiltration treatment, obtain ultrafiltrate after removing impurity, will surpass
Filtrate is squeezed into centrifuge, and 12min is centrifugated under 1800 revs/min of revolving speed, further removes impurity, obtains centrifugate；
(5) it is concentrated: centrifugate is concentrated into soluble solid under conditions of vacuum degree is -0.08MPa, temperature is 50 DEG C
Object is 16%, obtains concentrate；
(6) alcohol precipitation: ethyl alcohol being added into concentrate, makes the concentration of alcohol 90% of solution, after standing 2.6h, 1800
Rev/min revolving speed under be centrifugated 12min, obtain sugarcane polysaccharide liquid, by sugarcane polysaccharide liquid 60 DEG C at a temperature of dry, obtain sweet
Sugarcane polysaccharide.
Using above-mentioned processing, the leaching content of sugarcane polysaccharide is 94g/kg, and the oxidation resistance of sugarcane polysaccharide is 83.2%.
Claims (3)
1. a kind of ultrasonic extraction process of sugarcane polysaccharide, it is characterised in that: the following steps are included:
(1) pre-process: first bagasse is dried with microwave vacuum dryer, then by bagasse powder be broken to fineness be 60~
200 targeted fine powders obtain cane powder；
(2) be ultrasonically treated: by cane powder add water and stir uniformly after, then plus acid-conditioning solution pH value be 6~6.5, be then sent into
In ultrasonic device, 8~20min is handled under conditions of ultrasonic power is 40~80KHz, temperature is 60~80 DEG C, obtains ultrasound
Treatment fluid；
(3) decoct: sonification fluid being decocted into 100~120min, filters to obtain Aqueous extracts, filter residue add 6 times of water decoct 50~
70min filters to obtain Aqueous extracts, merges Aqueous extracts twice；
(4) it cleans: Aqueous extracts being sent into ultrafiltration apparatus and carry out hyperfiltration treatment, ultrafiltrate is obtained after removing impurity, by ultrafiltrate
Squeeze into centrifuge, under 1600~2000 revs/min of revolving speed be centrifugated 8~16min, further remove impurity, obtain from
Heart liquid；
(5) it is concentrated: centrifugate is concentrated into soluble solid under conditions of vacuum degree is -0.08MPa, temperature is 40~60 DEG C
Object >=15% obtains concentrate；
(6) alcohol precipitation: ethyl alcohol being added into concentrate, makes the concentration of alcohol 84~95% of solution, after standing 2~3h, 1600
It is centrifugated 8~16min under~2000 revs/min of revolving speed, obtains sugarcane polysaccharide liquid, sugarcane polysaccharide liquid is dried, it is more to obtain sugarcane
Sugar；
In the preprocessing process, the pressure of control microwave vacuum dryer is 12~24KPa, temperature when bagasse is dried
It is 40~60 DEG C.
2. the ultrasonic extraction process of sugarcane polysaccharide as described in claim 1, it is characterised in that: in the ultrasound treatment step,
After mixing evenly by cane powder plus 8 times of water, then plus acid-conditioning solution pH value be 6.2, then be sent into microwave dryer in,
Ultrasonic power is 60KHz, temperature handles 16min under conditions of being 70 DEG C.
3. the ultrasonic extraction process of sugarcane polysaccharide as described in claim 1, it is characterised in that: during the alcohol precipitation, sugarcane
The drying temperature of polysaccharide liquid is 40~80 DEG C.
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| CN105399851A (en) * | 2015-12-09 | 2016-03-16 | 重庆三零三科技有限公司 | Extraction method of sugarcane leaf polysaccharide |
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| CN102504938A (en) * | 2011-11-08 | 2012-06-20 | 浙江省林业科学研究院 | Cold pressing and physical refining process of camellia oil |
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| CN101392032B (en) * | 2008-11-05 | 2011-04-20 | 中国林业科学研究院林产化学工业研究所 | Method for preparing bamboo leaf polysaccharide extract by member separation |
| CN101712727B (en) * | 2009-11-24 | 2011-11-09 | 中国计量学院 | Method for extracting black fungus polysaccharide |
| CN102336841B (en) * | 2011-10-18 | 2013-09-18 | 中国计量学院 | Method for extracting tea polysaccharide |
| CN102911286A (en) * | 2012-11-22 | 2013-02-06 | 广西中医药大学 | Preparation method of sugarcane leaf polysaccharides |
| CN103626887B (en) * | 2013-12-02 | 2016-05-04 | 广西壮族自治区农业科学院农产品加工研究所 | A kind of method of preparing sugarcane tip polysaccharide with the sugarcane tip |
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