CN109651524A - A kind of northern Chinese caterpillar Fungus Polyose extraction purifying process based on solid fermentation - Google Patents

A kind of northern Chinese caterpillar Fungus Polyose extraction purifying process based on solid fermentation Download PDF

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CN109651524A
CN109651524A CN201811487281.2A CN201811487281A CN109651524A CN 109651524 A CN109651524 A CN 109651524A CN 201811487281 A CN201811487281 A CN 201811487281A CN 109651524 A CN109651524 A CN 109651524A
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caterpillar fungus
chinese caterpillar
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褚铭南
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Tongxiang Boao Biotechnology Co Ltd
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Abstract

A kind of northern Chinese caterpillar Fungus Polyose extraction purifying process based on solid fermentation, includes the following steps: A, Coragyceps militaris bacterium culture is obtained seed liquor;B, seed liquor solid fermentation obtains cordyceps militaris fruit body;C, cordyceps militaris fruit body crushes to obtain northern Chinese caterpillar Fungus mixed liquor;D, northern Chinese caterpillar Fungus mixed liquor extracts to obtain polysaccharide concentrate;E, polysaccharide concentrate centrifugal treating obtains northern Chinese caterpillar Fungus polyoses extract;F, northern Chinese caterpillar Fungus polyoses extract decolourizes to obtain northern Chinese caterpillar Fungus polyoses extract colourless solution;G, northern Chinese caterpillar Fungus polyoses extract colourless solution removes deproteinized, obtains northern Chinese caterpillar Fungus Thick many candies;H, northern Chinese caterpillar Fungus Thick many candies are further purified to obtain northern Chinese caterpillar Fungus polysaccharide.Extraction and purification process of the invention realizes culture, extraction, purifying continuous processing, and extraction efficiency is high, and polysaccharide yield is high, operates simpler.

Description

A kind of northern Chinese caterpillar Fungus Polyose extraction purifying process based on solid fermentation
Technical field
The present invention relates to microcultures and technical field of natural product extraction, and in particular to a kind of based on solid fermentation Northern Chinese caterpillar Fungus Polyose extraction purifying process.
Background technique
Northern Chinese caterpillar Fungus also known as Cordyceps militaris, Cordceps militaris belong to Ascomycotina, gang pyrenomycetes, Sphaerials, Clavicipitaceae, cordyceps sinensis Belong to fungi.It is the type sepecies of Cordyceps, widely distributed, is recognized by countries in the world scholar and is received and educate under artificial condition There is the effective components such as Cordyceps sinensis polysaccharide and the cordycepin of higher amount, unique pharmacology at complete stroma and northern Chinese caterpillar Fungus Effect has increasingly caused the great attention of pharmacy circle.Since northern Chinese caterpillar Fungus has the advantages that above, become medicinal worm in Cordyceps The outstanding person of careless bacterium.The success of the artificial culture technique of northern Chinese caterpillar Fungus opens rare medicinal herbs industrialization production again for China A piece of sky.Currently, the artificial culture of domestic northern Chinese caterpillar Fungus has entered the industrialization stage.
Cordyceps sinensis polysaccharide or polysaccharide, one of the main active as northern Chinese caterpillar Fungus are contents in northern Chinese caterpillar Fungus Highest pharmacological active substance, content can achieve 10%, be a kind of of great value potential novel dual-purpose of drug and food resources.Cordyceps sinensis The polysaccharide that polysaccharide is made of mannose, cordycepin, adenosine, galactolipin, arabinose, glucose, fucose etc..It resists Cancer activity and immunocompetence cause the great interest of people, in addition cordyceps sinensis is also used to control pulmonary tuberculosis, shortness of breath is breathed with cough, impotence, Nocturnal emission, spontaneous sweating, soreness of waist and knee joint etc..
Cordyceps sinensis polysaccharide is mainly extracted from fruiting bodies of cordyceps militaris in the industrial production at present.But due to cordyceps militaris sporocarp High production cost, it is high so as to cause the production cost of Cordyceps sinensis polysaccharide.
Mainly there are Hot water extraction, acidleach formulation, alkali method, ultrasonic wave extraction with the extracting method of Cordyceps sinensis polysaccharide at present Method, microwave loss mechanisms etc..
In addition, being obtained using artificial fermentation's aweto and natural cordyceps chemical composition and pharmacology work With essentially identical mycelium, become a kind of most viable method for solving worm grass resources shortage instantly.
But existing northern Chinese caterpillar Fungus polysaccharide extracting process, it can not achieve culture extraction purification continuous processing, extract effect Rate is low, and northern Chinese caterpillar Fungus polysaccharide yield is low, and operating process is complicated, higher cost, and cannot further isolate and purify polysaccharide, nothing Method obtains the higher polysaccharide component of purity, and the development and utilization of northern Chinese caterpillar Fungus polyose is made to receive limitation.
Based on the above situation, the invention proposes a kind of northern Chinese caterpillar Fungus Polyose extraction purifying process based on solid fermentation Problem above can effectively be solved.
Summary of the invention
The purpose of the present invention is to provide a kind of northern Chinese caterpillar Fungus Polyose extraction purifying process based on solid fermentation.This hair The bright northern Chinese caterpillar Fungus Polyose extraction purifying process based on solid fermentation realizes culture, extraction, purifying continuous processing, mentions Take high-efficient, northern Chinese caterpillar Fungus polysaccharide yield is high, and operating process is simpler, and cost is relatively low, and can further separate polysaccharide pure Change, obtains the higher polysaccharide component of purity, be conducive to the development and utilization of northern Chinese caterpillar Fungus polyose.
The present invention is achieved through the following technical solutions:
A kind of northern Chinese caterpillar Fungus Polyose extraction purifying process based on solid fermentation, includes the following steps:
A, Coragyceps militaris bacterium is inoculated on northern Chinese caterpillar Fungus seed culture medium, puts shaking table culture case into, cultivated 2.5-4d, the composition of the northern Chinese caterpillar Fungus seed culture medium include the raw material of following parts by weight: 20-30 parts of sucrose, yeast extract 1.5-3 parts, 0.5-0.7 parts of magnesium sulfate of 0.8-1.1 parts of potassium dihydrogen phosphate, 1000 parts of distilled water;
B, the seed liquor for obtaining step A is inoculated on the northern Chinese caterpillar Fungus solid medium of sterilized processing, inoculum concentration It for 8-11%, puts into constant temperature and humidity incubator, under the conditions of 28.5 DEG C of temperature, ferments 5-8 days, it is real to obtain northern Chinese caterpillar Fungus Body;The northern Chinese caterpillar Fungus solid medium includes the raw material of following parts by weight: 1000 parts of wheat flour, 190-215 parts of mealy potato, 25-35 parts of glucose sugar, 2.1-3.5 parts of potassium dihydrogen phosphate, 2.5-3.6 parts of peptone, 0.9-1.3 parts of magnesium sulfate, distilled water 450- 600 parts;
C, the obtained cordyceps militaris fruit body of step B is put into wall-breaking machine, the distilled water of 10-12 times of quality is added, 5-15min is crushed, northern Chinese caterpillar Fungus mixed liquor is obtained;
D, the northern Chinese caterpillar Fungus mixed liquor for obtaining step C, ultrasonication 40-50min flow back at 70-80 DEG C and mention 3-4.5h is taken, is concentrated after extracting solution filtering, obtains polysaccharide concentrate;
E, the dehydrated alcohol of 2.8-3.4 times of volume is added in the polysaccharide concentrate that step D is obtained, is cooled to 4 after stirring DEG C, 18-36 hours are stood, carries out centrifugal treating, and precipitating drying is obtained into northern Chinese caterpillar Fungus polyoses extract;
F, the northern Chinese caterpillar Fungus polyoses extract that step E is obtained adds distilled water to dissolve, and adjusts pH value to 8-9, dioxygen is added dropwise For aqueous solution to colourless, 50-60 DEG C of heat preservation 2-3h obtains northern Chinese caterpillar Fungus polyoses extract colourless solution;
G, northern Chinese caterpillar Fungus polyoses extract colourless solution that step F is obtained is mixed with papain and amylase molten Liquid mixing, the volume ratio of the two are 1:(0.45-0.6), 60-65 DEG C of enzymatic hydrolysis 1-2h;20% volume is added in enzymolysis liquid Sevage reagent, shaken cultivation 0.5-1h, then repeatedly centrifugation takes supernatant until no albumen precipitation is precipitated, and dries, obtains To northern Chinese caterpillar Fungus Thick many candies;
H, upper DEAE Ago-Gel FF ion is handed over after dissolving the northern Chinese caterpillar Fungus Thick many candies that step G is obtained with distilled water Chromatographic column is changed, gradient elution is carried out with sodium chloride solution, obtains northern Chinese caterpillar Fungus polysaccharide.
Northern Chinese caterpillar Fungus Polyose extraction purifying process based on solid fermentation of the invention, realizes culture, extraction, purifying Continuous processing, extraction efficiency are high, and northern Chinese caterpillar Fungus polysaccharide yield is high, and operating process is simpler, and cost is relatively low, and can by polysaccharide into One step isolates and purifies, and obtains the higher polysaccharide component of purity, is conducive to the development and utilization of northern Chinese caterpillar Fungus polyose.
Preferably, the composition of northern Chinese caterpillar Fungus seed culture medium described in step B includes the raw material of following parts by weight: sucrose 25 parts, 2.5 parts of yeast extract, 0.9 part of potassium dihydrogen phosphate, 0.6 part of magnesium sulfate, 1000 parts of distilled water.
Preferably, northern Chinese caterpillar Fungus solid medium described in step B includes the raw material of following parts by weight: wheat flour 1000 Part, 205 parts of mealy potato, glucose sugared 30 parts, 2.8 parts of potassium dihydrogen phosphate, 3.2 parts of peptone, 1.1 parts of magnesium sulfate, distilled water 520 Part.
Preferably, the condition of culture control of shaking table culture case described in step B is the revolving speed of 110-125r/min, 28 DEG C Environment temperature.
Preferably, concentration described in step D is concentrated at 60 DEG C.
Preferably, hydrogen peroxide solution described in step F, volumetric concentration 25%.
Preferably, in papain described in step G and amylase mixed solution papain and amylase matter Amount is than being 0.8:(1.2-1.4).
Preferably, centrifugation described in step G is 6000r/min centrifugation 10min.
Compared with prior art, the present invention have the following advantages that and the utility model has the advantages that
1, the northern Chinese caterpillar Fungus Polyose extraction purifying process of the invention based on solid fermentation realizes culture, extraction, pure Change continuous processing, extraction efficiency is high, and northern Chinese caterpillar Fungus polysaccharide yield is high, and operating process is simpler, and cost is relatively low, and can be by polysaccharide It further isolates and purifies, obtains the higher polysaccharide component of purity, be conducive to the development and utilization of northern Chinese caterpillar Fungus polyose.
Specific embodiment
The present invention is described in further detail below with reference to embodiment, embodiments of the present invention are not limited thereto.
Test method described in following embodiments or test method are unless otherwise specified conventional method;The reagent And material is obtained from routine business approach, or prepare in conventional manner unless otherwise specified.
Embodiment 1:
A kind of northern Chinese caterpillar Fungus Polyose extraction purifying process based on solid fermentation, includes the following steps:
A, Coragyceps militaris bacterium is inoculated on northern Chinese caterpillar Fungus seed culture medium, puts shaking table culture case into, cultivated 2.5-4d, the composition of the northern Chinese caterpillar Fungus seed culture medium include the raw material of following parts by weight: 20-30 parts of sucrose, yeast extract 1.5-3 parts, 0.5-0.7 parts of magnesium sulfate of 0.8-1.1 parts of potassium dihydrogen phosphate, 1000 parts of distilled water;
B, the seed liquor for obtaining step A is inoculated on the northern Chinese caterpillar Fungus solid medium of sterilized processing, inoculum concentration It for 8-11%, puts into constant temperature and humidity incubator, under the conditions of 28.5 DEG C of temperature, ferments 5-8 days, it is real to obtain northern Chinese caterpillar Fungus Body;The northern Chinese caterpillar Fungus solid medium includes the raw material of following parts by weight: 1000 parts of wheat flour, 190-215 parts of mealy potato, 25-35 parts of 20g glucose sugar, 2.1-3.5 parts of potassium dihydrogen phosphate, 2.5-3.6 parts of peptone, 0.9-1.3 parts of magnesium sulfate, distilled water 450-600 parts;
C, the obtained cordyceps militaris fruit body of step B is put into wall-breaking machine, the distilled water of 10-12 times of quality is added, 5-15min is crushed, northern Chinese caterpillar Fungus mixed liquor is obtained;
D, the northern Chinese caterpillar Fungus mixed liquor for obtaining step C, ultrasonication 40-50min flow back at 70-80 DEG C and mention 3-4.5h is taken, is concentrated after extracting solution filtering, obtains polysaccharide concentrate;
E, the dehydrated alcohol of 2.8-3.4 times of volume is added in the polysaccharide concentrate that step D is obtained, is cooled to 4 after stirring DEG C, 18-36 hours are stood, carries out centrifugal treating, and precipitating drying is obtained into northern Chinese caterpillar Fungus polyoses extract;
F, the northern Chinese caterpillar Fungus polyoses extract that step E is obtained adds distilled water to dissolve, and adjusts pH value to 8-9, dioxygen is added dropwise For aqueous solution to colourless, 50-60 DEG C of heat preservation 2-3h obtains northern Chinese caterpillar Fungus polyoses extract colourless solution;
G, northern Chinese caterpillar Fungus polyoses extract colourless solution that step F is obtained is mixed with papain and amylase molten Liquid mixing, the volume ratio of the two are 1:(0.45-0.6), 60-65 DEG C of enzymatic hydrolysis 1-2h;20% volume is added in enzymolysis liquid Sevage reagent, shaken cultivation 0.5-1h, then repeatedly centrifugation takes supernatant until no albumen precipitation is precipitated, and dries, obtains To northern Chinese caterpillar Fungus Thick many candies;
H, upper DEAE Ago-Gel FF ion is handed over after dissolving the northern Chinese caterpillar Fungus Thick many candies that step G is obtained with distilled water Chromatographic column is changed, gradient elution is carried out with sodium chloride solution, obtains northern Chinese caterpillar Fungus polysaccharide.
Embodiment 2:
A kind of northern Chinese caterpillar Fungus Polyose extraction purifying process based on solid fermentation, includes the following steps:
A, Coragyceps militaris bacterium is inoculated on northern Chinese caterpillar Fungus seed culture medium, puts shaking table culture case into, cultivated 2.5-4d, the composition of the northern Chinese caterpillar Fungus seed culture medium include the raw material of following parts by weight: 20-30 parts of sucrose, yeast extract 1.5-3 parts, 0.5-0.7 parts of magnesium sulfate of 0.8-1.1 parts of potassium dihydrogen phosphate, 1000 parts of distilled water;
B, the seed liquor for obtaining step A is inoculated on the northern Chinese caterpillar Fungus solid medium of sterilized processing, inoculum concentration It for 8-11%, puts into constant temperature and humidity incubator, under the conditions of 28.5 DEG C of temperature, ferments 5-8 days, it is real to obtain northern Chinese caterpillar Fungus Body;The northern Chinese caterpillar Fungus solid medium includes the raw material of following parts by weight: 1000 parts of wheat flour, 190-215 parts of mealy potato, 25-35 parts of 20g glucose sugar, 2.1-3.5 parts of potassium dihydrogen phosphate, 2.5-3.6 parts of peptone, 0.9-1.3 parts of magnesium sulfate, distilled water 450-600 parts;
C, the obtained cordyceps militaris fruit body of step B is put into wall-breaking machine, the distilled water of 10-12 times of quality is added, 5-15min is crushed, northern Chinese caterpillar Fungus mixed liquor is obtained;
D, the northern Chinese caterpillar Fungus mixed liquor for obtaining step C, ultrasonication 40-50min flow back at 70-80 DEG C and mention 3-4.5h is taken, is concentrated after extracting solution filtering, obtains polysaccharide concentrate;
E, the dehydrated alcohol of 2.8-3.4 times of volume is added in the polysaccharide concentrate that step D is obtained, is cooled to 4 after stirring DEG C, 18-36 hours are stood, carries out centrifugal treating, and precipitating drying is obtained into northern Chinese caterpillar Fungus polyoses extract;
F, the northern Chinese caterpillar Fungus polyoses extract that step E is obtained adds distilled water to dissolve, and adjusts pH value to 8-9, dioxygen is added dropwise For aqueous solution to colourless, 50-60 DEG C of heat preservation 2-3h obtains northern Chinese caterpillar Fungus polyoses extract colourless solution;
G, northern Chinese caterpillar Fungus polyoses extract colourless solution that step F is obtained is mixed with papain and amylase molten Liquid mixing, the volume ratio of the two are 1:(0.45-0.6), 60-65 DEG C of enzymatic hydrolysis 1-2h;20% volume is added in enzymolysis liquid Sevage reagent, shaken cultivation 0.5-1h, then repeatedly centrifugation takes supernatant until no albumen precipitation is precipitated, and dries, obtains To northern Chinese caterpillar Fungus Thick many candies;
H, upper DEAE Ago-Gel FF ion is handed over after dissolving the northern Chinese caterpillar Fungus Thick many candies that step G is obtained with distilled water Chromatographic column is changed, gradient elution is carried out with sodium chloride solution, obtains northern Chinese caterpillar Fungus polysaccharide.
The composition of northern Chinese caterpillar Fungus seed culture medium described in step B includes the raw material of following parts by weight: 25 parts of sucrose, ferment 2.5 parts of female cream, 0.9 part of potassium dihydrogen phosphate, 0.6 part of magnesium sulfate, 1000 parts of distilled water.
Northern Chinese caterpillar Fungus solid medium described in step B includes the raw material of following parts by weight: 1000 parts of wheat flour, potato 205 parts of powder, 20g glucose sugared 30 parts, 2.8 parts of potassium dihydrogen phosphate, 3.2 parts of peptone, 1.1 parts of magnesium sulfate, 520 parts of distilled water.
The condition of culture control of shaking table culture case described in step B is the revolving speed of 110-125r/min, 28 DEG C of environment temperature Degree.
Concentration described in step D is concentrated at 60 DEG C.
Hydrogen peroxide solution described in step F, volumetric concentration 25%.
The mass ratio of papain and amylase is in papain described in step G and amylase mixed solution 0.8:(1.2-1.4).
Centrifugation described in step G is 6000r/min centrifugation 10min.
Embodiment 3:
A kind of northern Chinese caterpillar Fungus Polyose extraction purifying process based on solid fermentation, includes the following steps:
A, Coragyceps militaris bacterium is inoculated on northern Chinese caterpillar Fungus seed culture medium, puts shaking table culture case into, cultivated 2.5d, the northern Chinese caterpillar Fungus seed culture medium composition include following parts by weight raw material: 20 parts of sucrose, 1.5 parts of yeast extract, 0.8 part of potassium dihydrogen phosphate, 0.5 part of magnesium sulfate, 1000 parts of distilled water;
B, the seed liquor for obtaining step A is inoculated on the northern Chinese caterpillar Fungus solid medium of sterilized processing, inoculum concentration It is 11%, puts into constant temperature and humidity incubator, under the conditions of 28.5 DEG C of temperature, ferments 5 days, obtain cordyceps militaris fruit body; The northern Chinese caterpillar Fungus solid medium includes the raw material of following parts by weight: 1000 parts of wheat flour, 190 parts of mealy potato, glucose sugar 25 parts, 2.1 parts of potassium dihydrogen phosphate, 2.5 parts of peptone, 0.9 part of magnesium sulfate, 450 parts of distilled water;
C, the obtained cordyceps militaris fruit body of step B is put into wall-breaking machine, the distilled water of 10 times of quality is added, crushed 5min obtains northern Chinese caterpillar Fungus mixed liquor;
D, the northern Chinese caterpillar Fungus mixed liquor for obtaining step C, ultrasonication 40min, the refluxing extraction 4.5h at 70 DEG C, It is concentrated after extracting solution filtering, obtains polysaccharide concentrate;
E, the dehydrated alcohol of 2.8 times of volumes is added in the polysaccharide concentrate that step D is obtained, is cooled to 4 DEG C after stirring, it is quiet It sets 18 hours, carries out centrifugal treating, and precipitating drying is obtained into northern Chinese caterpillar Fungus polyoses extract;
F, the northern Chinese caterpillar Fungus polyoses extract that step E is obtained adds distilled water to dissolve, and adjusts pH value to 8, hydrogen peroxide is added dropwise For solution to colourless, 50 DEG C of heat preservation 3h obtain northern Chinese caterpillar Fungus polyoses extract colourless solution;
G, northern Chinese caterpillar Fungus polyoses extract colourless solution that step F is obtained is mixed with papain and amylase molten Liquid mixing, the volume ratio of the two are 1:0.45,60 DEG C of enzymatic hydrolysis 2h;The Sevage reagent of 20% volume is added in enzymolysis liquid, shakes Culture 0.5h is swung, then repeatedly centrifugation takes supernatant until no albumen precipitation is precipitated, and dries, it is thick to obtain northern Chinese caterpillar Fungus Polysaccharide;
H, upper DEAE Ago-Gel FF ion is handed over after dissolving the northern Chinese caterpillar Fungus Thick many candies that step G is obtained with distilled water Chromatographic column is changed, gradient elution is carried out with sodium chloride solution, obtains northern Chinese caterpillar Fungus polysaccharide.
In the present embodiment, the condition of culture control of shaking table culture case described in step B is the revolving speed of 110r/min, 28 DEG C Environment temperature.
In the present embodiment, concentration described in step D is concentrated at 60 DEG C.
In the present embodiment, hydrogen peroxide solution described in step F, volumetric concentration 25%.
In the present embodiment, papain and starch in papain described in step G and amylase mixed solution The mass ratio of enzyme is 0.8:1.2.
In the present embodiment, centrifugation described in step G is 6000r/min centrifugation 10min.
Embodiment 4:
A kind of northern Chinese caterpillar Fungus Polyose extraction purifying process based on solid fermentation, includes the following steps:
A, Coragyceps militaris bacterium is inoculated on northern Chinese caterpillar Fungus seed culture medium, puts shaking table culture case into, cultivate 4d, The composition of the northern Chinese caterpillar Fungus seed culture medium includes the raw material of following parts by weight: 30 parts of sucrose, 3 parts of yeast extract, di(2-ethylhexyl)phosphate 1.1 parts of hydrogen potassium, 0.7 part of magnesium sulfate, 1000 parts of distilled water;
B, the seed liquor for obtaining step A is inoculated on the northern Chinese caterpillar Fungus solid medium of sterilized processing, inoculum concentration It is 8%, puts into constant temperature and humidity incubator, under the conditions of 28.5 DEG C of temperature, ferments 8 days, obtain cordyceps militaris fruit body;Institute State the raw material that northern Chinese caterpillar Fungus solid medium includes following parts by weight: 1000 parts of wheat flour, 215 parts of mealy potato, glucose sugar 35 Part, 3.5 parts of potassium dihydrogen phosphate, 3.6 parts of peptone, 1.3 parts of magnesium sulfate, 600 parts of distilled water;
C, the obtained cordyceps militaris fruit body of step B is put into wall-breaking machine, the distilled water of 12 times of quality is added, crushed 15min obtains northern Chinese caterpillar Fungus mixed liquor;
D, the northern Chinese caterpillar Fungus mixed liquor for obtaining step C, ultrasonication 50min, refluxing extraction 3h, mentions at 80 DEG C It is concentrated after taking liquid to filter, obtains polysaccharide concentrate;
E, the dehydrated alcohol of 3.4 times of volumes is added in the polysaccharide concentrate that step D is obtained, is cooled to 4 DEG C after stirring, it is quiet It sets 36 hours, carries out centrifugal treating, and precipitating drying is obtained into northern Chinese caterpillar Fungus polyoses extract;
F, the northern Chinese caterpillar Fungus polyoses extract that step E is obtained adds distilled water to dissolve, and adjusts pH value to 9, hydrogen peroxide is added dropwise For solution to colourless, 60 DEG C of heat preservation 2h obtain northern Chinese caterpillar Fungus polyoses extract colourless solution;
G, northern Chinese caterpillar Fungus polyoses extract colourless solution that step F is obtained is mixed with papain and amylase molten Liquid mixing, the volume ratio of the two are 1:0.6,65 DEG C of enzymatic hydrolysis 1h;The Sevage reagent of 20% volume is added in enzymolysis liquid, vibrates 1h is cultivated, then repeatedly centrifugation takes supernatant until no albumen precipitation is precipitated, and dries, obtains northern Chinese caterpillar Fungus Thick many candies;
H, upper DEAE Ago-Gel FF ion is handed over after dissolving the northern Chinese caterpillar Fungus Thick many candies that step G is obtained with distilled water Chromatographic column is changed, gradient elution is carried out with sodium chloride solution, obtains northern Chinese caterpillar Fungus polysaccharide.
In the present embodiment, the condition of culture control of shaking table culture case described in step B is the revolving speed of 125r/min, 28 DEG C Environment temperature.
In the present embodiment, concentration described in step D is concentrated at 60 DEG C.
In the present embodiment, hydrogen peroxide solution described in step F, volumetric concentration 25%.
In the present embodiment, papain and starch in papain described in step G and amylase mixed solution The mass ratio of enzyme is 0.8:1.4.
In the present embodiment, centrifugation described in step G is 6000r/min centrifugation 10min.
Embodiment 5:
A kind of northern Chinese caterpillar Fungus Polyose extraction purifying process based on solid fermentation, includes the following steps:
A, Coragyceps militaris bacterium is inoculated on northern Chinese caterpillar Fungus seed culture medium, puts shaking table culture case into, cultivated 3.5d, the northern Chinese caterpillar Fungus seed culture medium composition include following parts by weight raw material: 28 parts of sucrose, 2.2 parts of yeast extract, 1 part of potassium dihydrogen phosphate, 0.65 part of magnesium sulfate, 1000 parts of distilled water;
B, the seed liquor for obtaining step A is inoculated on the northern Chinese caterpillar Fungus solid medium of sterilized processing, inoculum concentration It is 9%, puts into constant temperature and humidity incubator, under the conditions of 28.5 DEG C of temperature, ferments 7 days, obtain cordyceps militaris fruit body;Institute State the raw material that northern Chinese caterpillar Fungus solid medium includes following parts by weight: 1000 parts of wheat flour, 205 parts of mealy potato, glucose sugar 32 Part, 3.3 parts of potassium dihydrogen phosphate, 2.9 parts of peptone, 1.2 parts of magnesium sulfate, 525 parts of distilled water;
C, the obtained cordyceps militaris fruit body of step B is put into wall-breaking machine, the distilled water of 11.5 times of quality, powder is added Broken 13min obtains northern Chinese caterpillar Fungus mixed liquor;
D, the northern Chinese caterpillar Fungus mixed liquor for obtaining step C, ultrasonication 48min, the refluxing extraction 3.8h at 73 DEG C, It is concentrated after extracting solution filtering, obtains polysaccharide concentrate;
E, the dehydrated alcohol of 3.3 times of volumes is added in the polysaccharide concentrate that step D is obtained, is cooled to 4 DEG C after stirring, it is quiet It sets 28 hours, carries out centrifugal treating, and precipitating drying is obtained into northern Chinese caterpillar Fungus polyoses extract;
F, the northern Chinese caterpillar Fungus polyoses extract that step E is obtained adds distilled water to dissolve, and adjusts pH value to 8, hydrogen peroxide is added dropwise For solution to colourless, 52 DEG C of heat preservation 2.8h obtain northern Chinese caterpillar Fungus polyoses extract colourless solution;
G, northern Chinese caterpillar Fungus polyoses extract colourless solution that step F is obtained is mixed with papain and amylase molten Liquid mixing, the volume ratio of the two are 1:0.58,63 DEG C of enzymatic hydrolysis 2h;The Sevage reagent of 20% volume is added in enzymolysis liquid, shakes Culture 0.6h is swung, then repeatedly centrifugation takes supernatant until no albumen precipitation is precipitated, and dries, it is thick to obtain northern Chinese caterpillar Fungus Polysaccharide;
H, upper DEAE Ago-Gel FF ion is handed over after dissolving the northern Chinese caterpillar Fungus Thick many candies that step G is obtained with distilled water Chromatographic column is changed, gradient elution is carried out with sodium chloride solution, obtains northern Chinese caterpillar Fungus polysaccharide.
In the present embodiment, the condition of culture control of shaking table culture case described in step B is the revolving speed of 115r/min, 28 DEG C Environment temperature.
In the present embodiment, concentration described in step D is concentrated at 60 DEG C.
In the present embodiment, hydrogen peroxide solution described in step F, volumetric concentration 25%.
In the present embodiment, papain and starch in papain described in step G and amylase mixed solution The mass ratio of enzyme is 0.8:1.25.
In the present embodiment, centrifugation described in step G is 6000r/min centrifugation 10min.
Embodiment 6:
A kind of northern Chinese caterpillar Fungus Polyose extraction purifying process based on solid fermentation, includes the following steps:
A, Coragyceps militaris bacterium is inoculated on northern Chinese caterpillar Fungus seed culture medium, puts shaking table culture case into, cultivate 3d;
B, the seed liquor for obtaining step A is inoculated on the northern Chinese caterpillar Fungus solid medium of sterilized processing, inoculum concentration It is 10%, puts into constant temperature and humidity incubator, under the conditions of 28.5 DEG C of temperature, ferments 7 days, obtain cordyceps militaris fruit body;
C, the obtained cordyceps militaris fruit body of step B is put into wall-breaking machine, the distilled water of 11 times of quality is added, crushed 12min obtains northern Chinese caterpillar Fungus mixed liquor;
D, the northern Chinese caterpillar Fungus mixed liquor for obtaining step C, ultrasonication 45min, the refluxing extraction 4.2h at 75 DEG C, It is concentrated after extracting solution filtering, obtains polysaccharide concentrate;
E, the dehydrated alcohol of 2.9 times of volumes is added in the polysaccharide concentrate that step D is obtained, is cooled to 4 DEG C after stirring, it is quiet It sets 20 hours, carries out centrifugal treating, and precipitating drying is obtained into northern Chinese caterpillar Fungus polyoses extract;
F, the northern Chinese caterpillar Fungus polyoses extract that step E is obtained adds distilled water to dissolve, and adjusts pH value to 8.5, dioxygen is added dropwise For aqueous solution to colourless, 55 DEG C of heat preservation 2.4h obtain northern Chinese caterpillar Fungus polyoses extract colourless solution;
G, northern Chinese caterpillar Fungus polyoses extract colourless solution that step F is obtained is mixed with papain and amylase molten Liquid mixing, the volume ratio of the two are 1:0.55,62 DEG C of enzymatic hydrolysis 1.5h;The Sevage reagent of 20% volume is added in enzymolysis liquid, Shaken cultivation 0.8h, then repeatedly centrifugation takes supernatant until no albumen precipitation is precipitated, and dries, obtains northern Chinese caterpillar Fungus Thick many candies;
H, upper DEAE Ago-Gel FF ion is handed over after dissolving the northern Chinese caterpillar Fungus Thick many candies that step G is obtained with distilled water Chromatographic column is changed, gradient elution is carried out with sodium chloride solution, obtains northern Chinese caterpillar Fungus polysaccharide.
In the present embodiment, the composition of northern Chinese caterpillar Fungus seed culture medium described in step B includes the original of following parts by weight Material: 25 parts of sucrose, 2.5 parts of yeast extract, 0.9 part of potassium dihydrogen phosphate, 0.6 part of magnesium sulfate, 1000 parts of distilled water.
In the present embodiment, northern Chinese caterpillar Fungus solid medium described in step B includes the raw material of following parts by weight: wheat 1000 parts of powder, 205 parts of mealy potato, 30 parts of glucose sugar, 2.8 parts of potassium dihydrogen phosphate, 3.2 parts of peptone, 1.1 parts of magnesium sulfate, distillation 520 parts of water.
In the present embodiment, the condition of culture control of shaking table culture case described in step B is the revolving speed of 120r/min, 28 DEG C Environment temperature.
In the present embodiment, concentration described in step D is concentrated at 60 DEG C.
In the present embodiment, hydrogen peroxide solution described in step F, volumetric concentration 25%.
In the present embodiment, papain and starch in papain described in step G and amylase mixed solution The mass ratio of enzyme is 0.8:1.3.
In the present embodiment, centrifugation described in step G is 6000r/min centrifugation 10min.
Compared with prior art, the present invention have the following advantages that and the utility model has the advantages that
Northern Chinese caterpillar Fungus Polyose extraction purifying process based on solid fermentation of the invention, realizes culture, extraction, purifying Continuous processing, extraction efficiency are high, and northern Chinese caterpillar Fungus polysaccharide yield is high, and operating process is simpler, and cost is relatively low, and can by polysaccharide into One step isolates and purifies, and obtains the higher polysaccharide component of purity, is conducive to the development and utilization of northern Chinese caterpillar Fungus polyose.
The above is only presently preferred embodiments of the present invention, not does limitation in any form to the present invention, it is all according to According to technical spirit any simple modification to the above embodiments of the invention, equivalent variations, protection of the invention is each fallen within Within the scope of.

Claims (8)

1. a kind of northern Chinese caterpillar Fungus Polyose extraction purifying process based on solid fermentation, characterized by the following steps:
A, Coragyceps militaris bacterium is inoculated on northern Chinese caterpillar Fungus seed culture medium, puts shaking table culture case into, cultivate 2.5-4d, The northern Chinese caterpillar Fungus seed culture medium composition include following parts by weight raw material: 20-30 parts of sucrose, 1.5-3 parts of yeast extract, 0.5-0.7 parts of magnesium sulfate of 0.8-1.1 parts of potassium dihydrogen phosphate, 1000 parts of distilled water;
B, the seed liquor for obtaining step A is inoculated on the northern Chinese caterpillar Fungus solid medium of sterilized processing, inoculum concentration 8- 11%, it puts into constant temperature and humidity incubator, under the conditions of 28.5 DEG C of temperature, ferments 5-8 days, obtain cordyceps militaris fruit body; The northern Chinese caterpillar Fungus solid medium includes the raw material of following parts by weight: 1000 parts of wheat flour, 190-215 parts of mealy potato, Portugal Sugared 25-35 parts of sugar, 2.1-3.5 parts of potassium dihydrogen phosphate, 2.5-3.6 parts of peptone, 0.9-1.3 parts of magnesium sulfate, distilled water 450-600 Part;
C, the obtained cordyceps militaris fruit body of step B is put into wall-breaking machine, the distilled water of 10-12 times of quality is added, crushed 5-15min obtains northern Chinese caterpillar Fungus mixed liquor;
D, the northern Chinese caterpillar Fungus mixed liquor for obtaining step C, ultrasonication 40-50min, the refluxing extraction 3- at 70-80 DEG C 4.5h is concentrated after extracting solution filtering, obtains polysaccharide concentrate;
E, the dehydrated alcohol of 2.8-3.4 times of volume is added in the polysaccharide concentrate that step D is obtained, is cooled to 4 DEG C after stirring, it is quiet It sets 18-36 hours, carries out centrifugal treating, and precipitating drying is obtained into northern Chinese caterpillar Fungus polyoses extract;
F, the northern Chinese caterpillar Fungus polyoses extract that step E is obtained adds distilled water to dissolve, and adjusts pH value to 8-9, it is water-soluble that dioxygen is added dropwise For liquid to colourless, 50-60 DEG C of heat preservation 2-3h obtains northern Chinese caterpillar Fungus polyoses extract colourless solution;
G, the northern Chinese caterpillar Fungus polyoses extract colourless solution that step F is obtained is mixed with papain and amylase mixed solution Close, the volume ratio of the two is 1:(0.45-0.6), 60-65 DEG C of enzymatic hydrolysis 1-2h;The Sevage of 20% volume is added in enzymolysis liquid Reagent, shaken cultivation 0.5-1h, then repeatedly centrifugation takes supernatant until no albumen precipitation is precipitated, and dries, obtains the northern winter Worm summer grass Thick many candies;
H, upper DEAE Ago-Gel FF ion exchange layer after dissolving the northern Chinese caterpillar Fungus Thick many candies that step G is obtained with distilled water Column is analysed, gradient elution is carried out with sodium chloride solution, obtains northern Chinese caterpillar Fungus polysaccharide.
2. the northern Chinese caterpillar Fungus Polyose extraction purifying process according to claim 1 based on solid fermentation, it is characterised in that: The composition of northern Chinese caterpillar Fungus seed culture medium described in step A includes the raw material of following parts by weight: 25 parts of sucrose, yeast extract 2.5 Part, 0.9 part of potassium dihydrogen phosphate, 0.6 part of magnesium sulfate, 1000 parts of distilled water.
3. the northern Chinese caterpillar Fungus Polyose extraction purifying process according to claim 1 based on solid fermentation, it is characterised in that: Northern Chinese caterpillar Fungus solid medium described in step B includes the raw material of following parts by weight: 1000 parts of wheat flour, 205 parts of mealy potato, Glucose sugar 30 parts, 2.8 parts of potassium dihydrogen phosphate, 3.2 parts of peptone, 1.1 parts of magnesium sulfate, 520 parts of distilled water.
4. the northern Chinese caterpillar Fungus Polyose extraction purifying process according to claim 1 based on solid fermentation, it is characterised in that: The condition of culture control of shaking table culture case described in step A is the revolving speed of 110-125r/min, 28 DEG C of environment temperature.
5. the northern Chinese caterpillar Fungus Polyose extraction purifying process according to claim 1 based on solid fermentation, it is characterised in that: Concentration described in step D is concentrated at 60 DEG C.
6. the northern Chinese caterpillar Fungus Polyose extraction purifying process according to claim 1 based on solid fermentation, it is characterised in that: Hydrogen peroxide solution described in step F, volumetric concentration 25%.
7. the northern Chinese caterpillar Fungus Polyose extraction purifying process according to claim 1 based on solid fermentation, it is characterised in that: The mass ratio of papain and amylase is 0.8:(1.2- in papain described in step G and amylase mixed solution 1.4)。
8. the northern Chinese caterpillar Fungus Polyose extraction purifying process according to claim 1 based on solid fermentation, it is characterised in that: Centrifugation described in step G is 6000r/min centrifugation 10min.
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